CN103164988B - Transport information notice system and method - Google Patents
Transport information notice system and method Download PDFInfo
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- CN103164988B CN103164988B CN201210480474.1A CN201210480474A CN103164988B CN 103164988 B CN103164988 B CN 103164988B CN 201210480474 A CN201210480474 A CN 201210480474A CN 103164988 B CN103164988 B CN 103164988B
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Abstract
There is provided transport information notice system and method, program, it is possible to effectively and efficiently from subject vehicle to notify object notice is in the traveling state of the subject vehicle of retrograde state. This system has: vehicle location determination portion, it is determined that the position that subject vehicle exists and subject vehicle position; Road information acquisition unit, obtains the road information at least comprising the current classification representing the traveling direction specified by road in subject vehicle position; Driving information acquisition unit, obtains the driving information comprising the information sailing direction that row subject vehicle travels relative to current classification; Retrograde state judging part, based on road information, driving information and prespecified retrograde judgement condition, judges whether the traveling state of subject vehicle is in retrograde state; Running condition information transmission portion, subject vehicle be judged as be in retrograde state time, whenever meeting prespecified notification condition, send the running condition information of information representing traveling state to notify object.
Description
Technical field
The present invention relates to the technology of the traveling state of the subject vehicle being in retrograde state to administrative center with at least one party's notice being present in the nearby vehicle of subject vehicle periphery, wherein, described retrograde state refers to, to the state of the direction running contrary with the traveling direction specified by road.
Background technology
The tie point being appointed as between the road of single direction and general road in the traveling such as motorway and limited highway direction, i.e. expressway entrance and exit and tiltedly on branch road (rampway), in order to suppress to enter by mistake, it is provided with the mark etc. representing current classification. But, exist see Lou because of navigating mate or misunderstanding etc. and cause vehicle to enter thus situation retrograde on motorway etc. from the tie point as the outlet rolled away to general road by mistake. When there is like this vehicle (drive in the wrong direction vehicle) driven in the wrong direction, be not only dangerous for this retrograde vehicle, and for retrograde vehicle relative to and other vehicles of travelling are also very dangerous.
Japanese Unexamined Patent Publication 2010-210435 publication (patent documentation 1) discloses following technology (the 16th section etc.): by the information of road chain applied flexibly in the ground chart database used in the map match of Nvgtl aids processes, what judge between the direction of this road chain and the travel direction of vehicle is consistent and inconsistent, thus is judged as driving in the wrong direction in the case of inconsistencies. In addition, in Japanese Unexamined Patent Publication 2009-140008 publication (patent documentation 2), disclose the information providing system comprising car-mounted device and ground processing enter. Car-mounted device can will install whether the information of the driving trace of the vehicle of this car-mounted device, speed information and this vehicle upload to processing enter on the ground in retrograde such information etc. On the ground processing enter to the vehicle having installed car-mounted device and the photoelectric display blackboard newspaper that is located on road know retrograde vehicle existence (13-15,32,33-34 section, Fig. 1, Fig. 6 etc.).
Such system is the quality product that can provide rapidly advantageous information, but when the vehicle of the side of the information of transmission frequently sends information to server units such as ground processing enters, causes the communication load of this vehicle and system entirety and processing load to increase. In addition, the communications cost of burden for users also increases. In recent years, headed by multifunctional mobile telephone, it may also be useful to the wide area wireless communication equipment of electric wave is promoted gradually. With and this, occur the communication that produces because the traffic increases bad, thus require efficiently to utilize limited electric wave.
Prior art literature
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2010-210435 publication
Patent documentation 2: Japanese Unexamined Patent Publication 2009-140008 publication
Summary of the invention
In view of above-mentioned background, it is desirable to provide effectively a kind of and from subject vehicle to notify object, notice is in the technology of traveling state of the subject vehicle of retrograde state efficiently.
The transport information notice system of the present invention in view of the above problems, the traveling state of the subject vehicle of retrograde state it is in notify object notice, described retrograde state refers to, to the state of the direction running contrary with the traveling direction that road is specified, described subject vehicle refers to, administrative center and at least one party being present in the nearby vehicle of described subject vehicle periphery, the feature structure of this transport information notice system is, have: vehicle location determination portion, it determines subject vehicle position, and described subject vehicle position is the position existing for described subject vehicle; Road information acquisition unit, it obtains road information, and this road information at least comprises the information of the current classification representing the traveling direction specified by road in described subject vehicle position; Driving information acquisition unit, it obtains the driving information of the information at least comprising travel direction, and this travel direction refers to, the direction that described subject vehicle travels relative to described current classification; Retrograde state judging part, it, based on described road information, described driving information and prespecified retrograde judgement condition, judges whether the described traveling state of described subject vehicle is in described retrograde state; Running condition information transmission portion, its when described subject vehicle be judged as be in described retrograde state, when meeting prespecified notification condition whenever the described driving information based on described subject vehicle, sending running condition information to described notify object, this running condition information is the information representing described traveling state.
According to this feature structure, transport information notice system, whenever meeting prespecified notification condition, sends running condition information to notify object, instead of continues all the time to send running condition information when subject vehicle is judged as and is in retrograde state. That is, by sending running condition information from subject vehicle to notify object intermittently, it is possible to utilize limited message capacity to send running condition information efficiently. In addition, even if sending running condition information intermittently, it is also possible to sending running condition information whenever meeting prespecified notification condition, thus effectively can send running condition information from subject vehicle to notify object in the appropriate moment.
At this, in the transport information notice system of the present invention, it may be preferred that the described driving information of described subject vehicle, comprise at least one party in the traveling speed of described subject vehicle and operating range; Described running condition information transmission portion, when described subject vehicle is with more than prespecified requirement notice speed speeds, using at least one situation in the first situation and the 2nd situation as described notification condition, send described running condition information, described first situation refers to and once sends the situation that described running condition information starts to reach the prespecified notice timed interval in the past, and described 2nd situation refers to and once sends the situation that described running condition information starts to reach prespecified notice distance interval in the past. When subject vehicle is to require the speeds of more than notice speed, it may be assumed that the retrograde state of subject vehicle continues, and thus preferably sends running condition information in the appropriate moment. Such as, when sending running condition information whenever once send running condition information and start to have passed through the prespecified notice timed interval in the past, invalid transmission can be suppressed, and can reliably send necessary running condition information in the appropriate moment. In addition, such as, when whenever once sending running condition information and start to send running condition information when subject vehicle has travelled prespecified notice apart from interval in the past, the degree close with the vehicle of relative traveling according to subject vehicle, invalid transmission can be suppressed, and can reliably send necessary running condition information in the appropriate moment. Or, based on traveling speed and these both sides of operating range, such as when sending running condition information whenever reaching the prespecified notice timed interval and prespecified notice distance these both sides of interval, invalid transmission can be suppressed further, and can reliably send necessary running condition information in the appropriate moment. Namely, it is possible to effectively and efficiently from subject vehicle to notify object notice is in the traveling state of the subject vehicle of retrograde state. In addition, " subject vehicle is with the state of speeds more than prespecified requirement notice speed ", can judge according to the traveling speed being included in driving information, based on the operating range being included in driving information and the elapsed time travelling this distance, speed can also be obtained by calculating and judges according to this speed.
In addition, in the transport information notice system of the present invention, it may be preferred that the described driving information of described vehicle, at least one item in the traveling speed of described subject vehicle and operating range is comprised; Described running condition information transmission portion, using the 3rd situation as described notification condition, sending described running condition information, described 3rd situation refers to, described traveling speed or the described operating range in the unit time add the situation of more than prespecified increasing amount. When traveling speed in subject vehicle adds the situation of more than prespecified increasing amount or the operating range in the per unit time of subject vehicle adds more than prespecified increasing amount, subject vehicle carries out the possibility height simultaneously carrying out driving in the wrong direction accelerated. It is thus preferred that send rapidly running condition information, therefore when meeting this condition, it is preferable that be set as meeting notification condition send running condition information.
In order to judge whether subject vehicle is in retrograde state, it is preferable that determine that subject vehicle is at the road travelled and travel accurately. In addition, it is also preferred that be prepared with the information in the current direction of this road and travel accurately. Owing to relatively meeting such condition at motorway and limited highway etc., thus preferably on motorway etc. notification package containing the running condition information of retrograde state. Further, if also considering the speed of vehicle travelled, compared with general road, it is preferable that at vehicles such as motorways with the running condition information of notification package on the road run at high speed containing retrograde state. But, when have passed the border between the freeway infrastructure of expressway entrance and exit etc. and the travel of motorway in subject vehicle, subject vehicle is not present on the travel of motorway, thus exists and is difficult to judge accurately the possibility that the possibility of retrograde state or retrograde state are released. In addition, if as mentioned above, it is necessary, also consider the speed of vehicle travelled, then, compared with motorway etc., the importance of the running condition information comprising retrograde state on general road is low. If considering the effect that communication efficiency and information provide, then when subject vehicle is not present on the travel of motorway, and not necessarily needs to send running condition information. Therefore, under such circumstances, in order to notify the offer finishing to comprise the running condition information of retrograde state, it is preferable that send running condition information. As a mode, preferably, the described running condition information transmission portion of the transport information notice system of the present invention, using the 4th situation as described notification condition, send described running condition information, described 4th situation refers to, described subject vehicle have passed the situation on the border at least comprising between the freeway infrastructure of expressway entrance and exit and the travel of motorway.
The feature of the various technology of the transport information notice system of above-mentioned the present invention can also be applicable in transport information notice program and transport information Notification Method. Therefore, such transport information can also be notified that program and transport information Notification Method are also as the object requiring right by the present invention. Such as, the transport information notice program of the present invention can make computer perform the various functions with the feature of above-mentioned transport information notice system. Illustrate the mode of its representativeness below. Obviously, such transport information notice program also can play the functions and effects of above-mentioned transport information notice system. And, it is also possible to notify that the various additional integrate features that illustrates of preferred mode of system is to, in this transport information notice program, this program can also play the corresponding functions and effects of feature additional with each using as transport information. Transport information Notification Method for the present invention is too.
The transport information notice program of the present invention now, the traveling state of the subject vehicle of retrograde state it is in notify object notice, described retrograde state refers to, to the state of the direction running contrary with the traveling direction that road is specified, described notify object refers to, administrative center and at least one party being present in the nearby vehicle of described subject vehicle periphery, the feature structure of this transport information notice program is, computer is made to realize following functions: vehicle location determines function, determine subject vehicle position, described subject vehicle position is the position existing for described subject vehicle, road information obtains function, obtains road information, and this road information at least comprises the information of the current classification representing the traveling direction specified by road in described subject vehicle position, driving information obtains function, obtains the driving information of the information at least comprising travel direction, and this travel direction refers to, the direction that described subject vehicle travels relative to described current classification, retrograde state arbitration functions, based on described road information, described driving information and prespecified retrograde judgement condition, judges whether the described traveling state of described subject vehicle is in described retrograde state, running condition information sending function, when described subject vehicle be judged as be in described retrograde state, when meeting prespecified notification condition whenever the described driving information based on described subject vehicle, sending running condition information to described notify object, this running condition information is the information representing described traveling state.
In addition, the transport information Notification Method of the present invention, the traveling state of the subject vehicle of retrograde state it is in notify object notice, described retrograde state refers to, to the state of the direction running contrary with the traveling direction that road is specified, described notify object refers to, administrative center and at least one party being present in the nearby vehicle of described subject vehicle periphery, this transport information Notification Method is characterised in that, comprise: vehicle location determining step, determining subject vehicle position, described subject vehicle position is the position existing for described subject vehicle; Road information obtaining step, obtains road information, and this road information at least comprises the information of the current classification representing the traveling direction specified by road in described subject vehicle position; Driving information obtaining step, obtains the driving information of the information at least comprising travel direction, and this travel direction refers to, the direction that described subject vehicle travels relative to described current classification; Retrograde state determining step, based on described road information, described driving information and prespecified retrograde judgement condition, judges whether the described traveling state of described subject vehicle is in described retrograde state; Running condition information forwarding step, when described subject vehicle be judged as be in described retrograde state, when meeting prespecified notification condition whenever the described driving information based on described subject vehicle, sending running condition information to described notify object, this running condition information is the information representing described traveling state.
Accompanying drawing explanation
Fig. 1 is the aerial view of the structure diagrammatically illustrating transport information system.
Fig. 2 is the schematic block diagram of transport information system and navigationsystem.
Fig. 3 is the block diagram of the structure diagrammatically illustrating navigationsystem.
Fig. 4 shows the schema of an example of the treatment step of transport information notice system.
Fig. 5 shows the figure of an example on the border between freeway infrastructure.
Fig. 6 shows the figure of an example on the border between general road.
The explanation of Reference numeral
�� V travels the increasing amount of speed
2 notices system (transport information notice system)
3 administrative centers
9 notify objects
11 vehicle location determination portions
21 driving information acquisition units
22 road information acquisition units
23 retrograde state judging parts
25 running condition information transmission portions
80 subject vehicle
90 nearby vehicle
B border
DI running condition information
F freeway infrastructure
H travel
ThPT notifies the timed interval
ThTD notice distance interval
ThV requires notice speed
The increasing amount of the traveling speed that ThdV is prespecified
V travels speed
The traveling direction (the traveling direction required by road) that road is specified by Y
Embodiment
Below, based on accompanying drawing, embodiments of the present invention are described. Fig. 1 is the aerial view of the structure of the transport information system 1 of the transport information notice system (notice system 2) diagrammatically illustrating and comprising the present invention. This transport information system 1 collects traffic congestion information, road condition information, the various transport information such as driving information of vehicle that travels on road, and provides these transport information to vehicle etc. In the present embodiment, as shown in Figure 2, transport information system 1 have notice system 2(transport information notice system), administrative center 3, receiving system 4(traffic information acceptance system). Collect transport information by notice system 2, and send it to the administrative center 3 as notify object, wherein, the running gear that above-mentioned notice system 2 comprises the stationary installation being located on road and is arranged on vehicle (subject vehicle 80). The transport information notifying (sending) from notice system 2 is collected by administrative center 3, and sends transport information to receiving system 4 as required. In addition, it is also possible to receiving system 4 and the vehicle (being present in the nearby vehicle 90 of subject vehicle periphery) that is provided with receiving system 4, as notify object, are sent transport information from notice system 2 directly to receiving system 4.
Such as, subject vehicle 80 shown in Fig. 1 has notice system 2, and the running condition information DI such as the traveling speed of vehicle location (subject vehicle position), vehicle, driving trace can be sent to administrative center 3 as detection information (probeinformation) PI by this notice system 2. Using this detection information PI as transport information TI, it is supplied to nearby vehicle 90 via administrative center 3. Or, nearby vehicle 90 can also directly receive the detection information PI sent by subject vehicle 80. In addition, subject vehicle 80 can also have notice system 2 and receiving system 4 simultaneously, and nearby vehicle 90 can also have receiving system 4 simultaneously and have notice system 2. Namely, it may be preferred that the navigationsystem 5(with notice system 2 and receiving system 4 is installed on each vehicle (80,90) with reference to Fig. 2).
In the present embodiment, the running condition information DI of vehicle or the running condition information DI that at least comprises retrograde state is informed to notify object as detection information PI by subject vehicle 80, this notify object refers to, administrative center 3 and at least one party being present in the nearby vehicle 90 of subject vehicle 80 periphery. At this, retrograde state refers to, to the state of the direction running contrary with the traveling direction (current direction) specified by road. As shown in Figure 2, in the present embodiment, notice system 2, receiving system 4 and route guidance system 6 is comprised to form navigationsystem 5. These each systems forming navigationsystem 5 are by minicomputer, DSP(digitalsignalprocessor: digital signal processor), the hardware such as storer and the software such as program, parameter cooperates realization. Each system has multiple function part, but does not hinder each function part to share multiple system. Fig. 3 is the block diagram of the structure diagrammatically illustrating navigationsystem 5. Each function part shown in Fig. 3 is cooperated realization by hardware and software as described above. In addition, the transport information forming the present invention notifies that the function part of system is equivalent to " function " of the transport information notice program of the present invention, and is equivalent to the enforcement division of " step " of the transport information Notification Method of the present invention.
Route guiding calculating part 61 is the function part of the core becoming navigationsystem 5 and route guidance system 6, based on navigationsystem 5(or subject vehicle 80) existing for position (vehicle location) proceed to point of destination till Route guiding and the various information on vehicle location are provided. Route guiding calculating part 61 such as has (not shown): configuration part, point of destination, its setting search point of destination; Route search unit, its search is from search starting position to searching for the path point of destination; Route guiding information calculating part, it proceeds to the Route guiding till searching for point of destination and provides the various information on vehicle location.
The guiding of Route guiding calculating part 61 and information provide, such as, via user interface part 13(user I/F portion) and it is supplied to watching device 59, and it is supplied to user by watching device 59. Watching device 59 also has loud speaker, touch panel etc., it is possible to provides voice guide to user or accepts the indicative input from user. Such as, the input of the instructions such as the setting of search point of destination user carried out and the classification change of search point of destination, is passed to Route guiding calculating part 61 via touch panel and user interface part 13. In addition, the detection information PI sent by notice the system 2 and transport information TI received by receiving system 4 is also passed to Route guiding calculating part 61 via transport information acquisition unit 42, and is provided by watching device 59.
Vehicle location determination portion 11 determines the function part of the vehicle location (subject vehicle position) as the position existing for subject vehicle 80. That is, vehicle location determination portion 11 determines the vehicle location of subject vehicle 80, so as the Route guiding till proceeding to point of destination by Route guiding calculating part 61 and the various information on vehicle location are provided. Vehicle location determination portion 11 uses the information obtained by gps receiver 52, aspect sensor 53, rang sensor 54 etc., utilize based on GPS(globalpositioningsystem: global positioning system (GPS)) measurement or based on dead reckoning (Dead-Reckoning) self-discipline control calculate, thus determine vehicle location. As being provided with photographic camera 51 in subject vehicle 80 in situation, vehicle location determination portion 11 can also also have Objects recognition function, to improve position precision. Namely, the atural objects such as the road sign (spraying) being located on road surface are carried out pattern recognition by the view data that vehicle location determination portion 11 can also obtain based on shooting vehicle-surroundings, and by carrying out compareing the vehicle location determining subject vehicle 80 with the positional information of the expression road being kept in road-map-data storehouse.
Road-map-data storehouse 12(road-map DB) it is the database of the information preserving road network. Such as, in road-map-data storehouse 12, preserve the information such as the connection information between road (node as tie point and the road chain as the road between tie point), classification classifications such as () motorway, toll road, national highway, provincial highways of road, the length of road, the shape of road, road width, current classification. Current classification is also containing the current direction specified by this road in motorway etc. In addition, the information of various freeway infrastructure (serving district, parking area, expressway entrance and exit, traffic lights, convergence point etc.) is also kept in road-map-data storehouse 12. In addition, can also preserve in road-map-data storehouse 12 and be arranged on road and the information of various atural objects (such as, road sign, pavement marker, signal lamp, mark, viaduct, tunnel etc.) of road periphery, be i.e. terrestrial object information. Such as, vehicle location determination portion 11 can use the shooting image of photographic camera 51 and these terrestrial object informations to determine vehicle location.
Driving information acquisition unit 21 obtains becomes the running condition information DI(detection information PI notified by notice system 2) the data (driving information) on basis. Such as, driving information acquisition unit 21 obtains the travel direction of subject vehicle 80 based on the detected result of aspect sensor 53, and obtains traveling speed and the operating range of subject vehicle 80 based on the detected result of rang sensor 54. In addition, driving information acquisition unit 21 also obtains the vehicle location (subject vehicle position) determined by vehicle location determination portion 11, using the data as the basis becoming running condition information DI. In the present embodiment, in order to make notice system 2 judge whether to be in retrograde state, driving information acquisition unit 21 obtains the driving information of the information at least comprising travel direction, and this travel direction refers to the direction that subject vehicle 80 travels relative to current classification.
Road information acquisition unit 22 is the function part obtaining road information from road-map-data storehouse 12. In the present embodiment, in order to make notice system 2 judge whether to be in retrograde state, road information acquisition unit 22 obtains road information from road-map-data storehouse 12, and this road information at least comprises the information representing the current classification in the traveling direction specified by road of the vehicle location determined by vehicle location determination portion 11. The information of the current classification obtained by road information acquisition unit 22 is supplied to retrograde state judging part 23.
Retrograde state judging part 23 is based on road information, driving information and prespecified retrograde judges that condition judges whether the traveling state of subject vehicle 80 is in the function part of retrograde state. Judgement condition of driving in the wrong direction refers to, the such as travel direction of subject vehicle 80 is the direction contrary with the traveling direction specified by road, and the situation (event) of the traveling speed of subject vehicle 80 more than prespecified datum velocity. Now, retrograde state judging part 23, based on the information of the current classification provided from road information acquisition unit 22 and the information of travel direction provided from driving information acquisition unit 21 and the information of the speed of traveling, judges that whether this travel direction is retrograde direction. Obviously, it is also possible to be only that the situation (event) in the direction contrary with the traveling direction specified by road is as condition using the travel direction of subject vehicle 80. In this case, retrograde state judging part 23, based on the information of the current classification provided from road information acquisition unit 22 and the information of travel direction that provides from driving information acquisition unit 21, judges that whether this travel direction is retrograde direction.
Running condition information generating unit 24 generates the running condition information DI(detection information PI of information comprising and representing and be in retrograde state) function part. The running condition information DI generated is passed to running condition information transmission portion 25, and this running condition information transmission portion 25 is for sending running condition information DI to notify objects 9 such as administrative center 3, nearby vehicle 90. In addition, in order to apply flexibly this running condition information DI in the inside of navigationsystem 5, the running condition information DI generated also is passed to transport information acquisition unit 42. Describe transport information acquisition unit 42 later.
Running condition information transmission portion 25 is the function part sending the running condition information DI as the information representing traveling state to notify object 9. Running condition information transmission portion 25 when subject vehicle 80 be judged as be in retrograde state, when meeting prespecified notification condition whenever the driving information based on subject vehicle 80, the running condition information DI as the information representing traveling state is sent to notify object 9. Running condition information transmission portion 25, during subject vehicle 80 is in retrograde state, sends the information being in retrograde state lastingly. But, if merely continuing to send running condition information DI, then the calculated load of communication load and system can be caused to increase. Therefore, running condition information transmission portion 25, whenever meeting prespecified notification condition, is sending running condition information DI.
At this, notification condition can be following situation (event), namely, such as under not yet notice is in the state of the information of retrograde state (state of " notification flag of driving in the wrong direction " described later is the state of " 0 "), it is judged as being in the situation (initial notification condition) of retrograde state (state of " retrograde state detection mark " described later becomes " 1 ") by retrograde state judging part 23. When meeting this initial notification condition, under this retrograde state, perform first time transmission, and it is " 1 " by the Status Change of " notification flag of driving in the wrong direction " described later. After performing this first time transmission, whenever meeting other notification condition (continuation notification condition), sending running condition information DI.
Such as, when subject vehicle 80 notifies the speeds of more than speed ThV with prespecified requirement, first situation and/or the 2nd situation become notification condition, described first situation refers to, in the past the situation that running condition information DI starts have passed through the time in the prespecified notice timed interval more than ThPT is once sent, described 2nd situation refers to, in the past the situation (the step #10��#12 of reference Fig. 4 is described in detail below) that running condition information DI starts subject vehicle 80 and travelled the distance of prespecified notice distance more than interval T hTD is once sent. as mentioned above, it is necessary, driving information acquisition unit 21 obtains the traveling speed V of subject vehicle 80 based on the detected result of rang sensor 54. now, driving information acquisition unit 21 can from also as velocity sensor play function rang sensor 54 directly obtain traveling speed, traveling speed can also be calculated according to the operating range of the detected result based on rang sensor 54 and the traveling time corresponding with this operating range, thus obtain traveling speed. namely, subject vehicle 80 is notified to the state of the speeds of more than speed ThV with prespecified requirement, can judge based on the traveling speed directly obtained from rang sensor 54 grade, it is also possible to judge based on the traveling speed obtained by calculating.
In addition, it is also possible to add the situation (event) of prespecified more than increasing amount ThdV by travelling speed V, that is, the increasing amount �� V travelling speed V is become the situation (event) of more than increasing amount ThdV in regulation as notification condition. Now also be equal to following situation (event): the situation (event) that the operating range in the per unit time adds more than prespecified increasing amount, that is, the situation more than the increasing amount of regulation that the increasing amount of operating range become is as notification condition.
In addition, when the subject vehicle 80 being in retrograde state has sailed general road into from expressway entrance and exit, or sailed into when serving district and parking area, or when stopping in this process, retrograde state on the travel of motorway is released, or terminates retrograde detection. Consequently, it is desirable to the running condition information DI representing the notice that end is in retrograde state is sent to notify object 9. Because upgrading, based on the judged result etc. of retrograde state judging part 23, the running condition information DI to be sent by running condition information generating unit 24, as long as so meeting notification condition, running condition information transmission portion 25 just sends the running condition information DI representing and terminating to be in the notice of retrograde state. Such as, it may be preferred that subject vehicle 80 be have passed the situation (event) on the border at least comprising between the freeway infrastructure of expressway entrance and exit and the travel of motorway, as notification condition now.
Fig. 5 and Fig. 6 has illustrated the example on the border between freeway infrastructure and the travel of motorway. In Fig. 5 and Fig. 6, hollow arrow represents the traveling direction Y(Y1��Y3 specified by road). Y1 represents the travel H(main line of motorway, main road) traveling direction Y, Y2 represents the traveling direction Y from travel H to the deceleration track of the guiding road serving the freeway infrastructure F such as district and parking area and general road R, and Y3 represents from the traveling direction Y of freeway infrastructure F and the acceleration track of the guiding road of general road R to travel H. In addition, solid line arrow Z represents the driving trace of subject vehicle 80.
As shown in Figures 5 and 6, the situation that subject vehicle 80 travels with retrograde state on travel H, such as, can it is assumed to carry out driving in the wrong direction relative to the traveling direction Y3 accelerating track and enter freeway infrastructure F or sail the situation of general road R into. As a mode, it is possible to the boundary B (B1, B4) border between the guiding road in travel H and acceleration track etc. or connection road being defined as between the travel H of freeway infrastructure F and motorway. Or, in order to subject vehicle 80 guide road or connect road carries out driving in the wrong direction during in also can notify to be in the situation of retrograde state, it is also possible to the border guiding road or connect between road and freeway infrastructure F or general road R is defined as boundary B (B2, B5). Or, it is also possible to the midway of such guiding road or connection road is defined as boundary B (B3, B6).
Running condition information transmission portion 25, whenever meeting " notification condition " as described above, is sending running condition information DI via communication module 58, and this communication module 58 has not shown antenna and modulation circuit etc. Communication module 58 plays function as the transmitter sending running condition information DI, and plays function as receptor. That is, the transport information TI etc. that the module 58 that communicates receives the running condition information DI sent from other vehicles and sends from administrative center 3, and it is passed to transport information reception portion 41. Transport information reception portion 41 receives the running condition information DI sent via communication module 58 from transport information TI and/or other vehicles.
Transport information TI, the running condition information DI of other vehicles that transport information acquisition unit 42 receives by transport information reception portion 41 and the running condition information DI of vehicle (subject vehicle 80) generated by running condition information generating unit 24, be passed to Route guiding calculating part 61. Route guiding calculating part 61, according to the important degree of the information received from transport information acquisition unit 42 and/or urgency, exports transport information TI and/or the notification information based on running condition information DI in the prespecified moment via user interface part 13 to watching device 59. Such as, transport information TI and/or running condition information DI comprise as vehicle and/or other vehicles be in retrograde state such information, owing to important degree and urgency are all high, thus preferably undertaken showing by watching device 59 in time and report information by voice to user. Now, when the vehicle being in retrograde state is vehicle (subject vehicle 80), retrograde state should be terminated rapidly, thus preferably report the situation (event, it is proposed that) etc. that vehicle is in retrograde situation and car should be made to stop rapidly near curb etc. In addition, when the vehicle being in retrograde state is other vehicles, it is preferable that notification is it is noted that front travels and increases driving spacing such that it is able to the action avoiding other vehicles of periphery is carried out fully corresponding etc. attention and reminds.
In the running condition information DI sent from the notice system 2 of subject vehicle 80, at least comprise the information representing that subject vehicle 80 is in retrograde state. As a mode, it may also be useful to retrograde state detection mark represents whether subject vehicle 80 is in retrograde state. Such as, when the value of retrograde state detection mark is " 0 ", subject vehicle 80 is not in retrograde state, and when the value of this mark is " 1 ", subject vehicle 80 is in retrograde state. In addition, it may be preferred that in running condition information DI except retrograde state detection mark, also comprise the information of the information of coordinate (subject vehicle position) and the traveling speed of subject vehicle 80 representing subject vehicle 80. Such as, the nearby vehicle 90 as being in the such information of retrograde state is received, it is possible to the moment etc. that presumption vehicle (nearby vehicle 90) meets with the vehicle (drive in the wrong direction vehicle, is subject vehicle 80 at this) carrying out driving in the wrong direction. , it is possible to hide into nearest service Qu Dengzhong, then until the vehicle that drives in the wrong direction crosses the rear of vehicle (nearby vehicle 90) or the retrograde state releasing of retrograde vehicle. Represent the information of the coordinate of subject vehicle 80, it is not limited to subject vehicle position, it is also possible to be the information of the road chain existing for subject vehicle 80.
In addition, when travel has multiple track, the information in the track preferably travelled containing the vehicle (subject vehicle 80) that drives in the wrong direction in running condition information DI, so that receiving the nearby vehicle 90 being in the such information of retrograde state can select safer track. Such as, can not hiding into nearest when serving district etc. or can not hide into general road from nearest expressway entrance and exit in the position residing for retrograde vehicle, the nearby vehicle 90 receiving information can select safer track.
In addition, running condition information DI preferably comprises the information that subject vehicle 80 starts retrograde place. Such as, administrative center 3 is started from expressway entrance and exit by accumulation and drives in the wrong direction or start from serving district or parking area retrograde etc. information, statistically extracts the freeway infrastructure F easily occurring to drive in the wrong direction. And, it is possible to fully confirm traveling direction to entering the vehicle of motorway from this expressway entrance and exit or point out from this vehicle etc. serving district etc.
, utilize the schema of Fig. 4 below, illustrate by notice system 2(transport information notice system) notify an example of the treatment step of running condition information. The position (subject vehicle position) (#1: vehicle location determines function/step) existing for vehicle location and subject vehicle 80 is determined by the vehicle location determination portion 11 of navigationsystem 5. Then, obtaining road information by road information acquisition unit 22 from road-map-data storehouse 12, this road information at least comprises the information (#2: road information obtains function/step) representing the current classification in the traveling direction that road is specified by determined vehicle location. In addition, obtaining the driving information of the information at least comprising travel direction by driving information acquisition unit 21, this travel direction refers to, the direction (#3: driving information obtains function/step) that subject vehicle 80 travels relative to the current classification obtained. In addition, in function/step #3, driving information acquisition unit 21 can obtain the travel direction represented by absolute orientation, it is also possible to the travel direction that acquisition represents by the angle between absolute orientation and the traveling direction specified by current classification. Or, driving information acquisition unit 21 can also obtain travel direction, and this travel direction is the direction according to subject vehicle 80 traveling is that positive dirction or reverse direction represent relative to the traveling direction of current classification defined. In addition, in the present embodiment, driving information acquisition unit 21 also obtains subject vehicle 80 traveling speed V and cumulative operating range TD are as driving information (being described in detail later).
Then, retrograde state judging part 23, based on the various information obtained in function/step #1��#3 and retrograde judgement condition prespecified as described above, judges whether the traveling state of subject vehicle 80 is retrograde state (#4: retrograde state arbitration functions/step). That is, judge whether to be in retrograde state based on road information, driving information and retrograde judgement condition. Retrograde state judging part 23 subject vehicle 80 be judged as be in retrograde state time, such as value by the retrograde state detection mark realized by forming the flag register etc. of minicomputer of navigationsystem 5 is set as " 1 " (#5: retrograde state arbitration functions/step). When be judged as before be in retrograde state, the value of retrograde state detection mark is set as " 1 " again from " 1 ". On the other hand, when being judged as not being in retrograde state before, the value of retrograde state detection mark is changed to " 1 " from " 0 ". Equally, retrograde state judging part 23 subject vehicle 80 be judged as be not in retrograde state time, by retrograde state detection mark value be set as " 0 " (#21: retrograde state arbitration functions/step). When being judged as being in retrograde state before, the value of retrograde state detection mark is changed to " 0 " from " 1 ". On the other hand, when being judged as not being in retrograde state before, the value of retrograde state detection mark is set as " 0 " again from " 0 ".
Running condition information generating unit 24 generates running condition information DI, and this running condition information DI comprises the information representing and whether being in retrograde state, and represents the information of the traveling state of subject vehicle 80. Preferably, with whether the traveling state of subject vehicle 80 is that retrograde state is unrelated, as long as utilizing the various information obtained in function/step #1��#3 to generate running condition information. When running condition information DI comprises retrograde state detection mark, add, according to the value of retrograde state detection mark, the information representing retrograde state. Namely, when being in retrograde state, comprise in running condition information DI by means of only merely retrograde state being detected mark, generate the running condition information DI of information comprising and representing and whether be in retrograde state efficiently, and do not need again to add and represent that the information being in retrograde state is to generate running condition information DI.
Generate the running condition information systematic function/step of running condition information DI, it is possible to perform separately with the independent ground of the schema shown in Fig. 4, it is also possible to a place or many places in the schema shown in Fig. 4 perform. Such as, although not shown in the diagram, but when performing after function/step #5, it is possible to the value of the various information obtained in function/step #1��#3 and retrograde state detection mark is reflected in running condition information, it is preferred to which. In addition, although describing in detail later, but it is also preferred that after function/step #21 or #7, running condition information systematic function/step is performed.
If whether the traveling state judging subject vehicle 80 by retrograde state judging part 23 is retrograde state (#4), and set the value (#5, #21) of retrograde state detection mark according to judged result, then the value (#6, #22: notice shape arbitration functions/step) of retrograde notification flag is judged by running condition information transmission portion 25. Detect mark with retrograde state samely, such as, realize the function of retrograde notification flag by the flag register etc. of the minicomputer forming navigationsystem 5. Retrograde notification flag represents for whether same retrograde state have sent once above mark by the running condition information DI that the traveling state comprising subject vehicle 80 is the such information of retrograde state. In other words, function/step #6 and #22 for after judging to be judged as being in retrograde state in function/step #4, is in that first time sends in the process of running condition information DI or in the process of transmitting that second time is later.
The initial value of notification flag of driving in the wrong direction is " 0 ", and after have sent the running condition information DI comprising and being in the such traveling state of retrograde state, the value of this retrograde notification flag is set to " 1 " (with reference to #14). Therefore, in function/step #6, when being judged as that the value of retrograde notification flag is not " 1 " (being " 0 "), it is in the process that first time sends running condition information DI. Therefore, in order to notice there occurs retrograde state rapidly, it is transferred to running condition information sending function/step #13, sends running condition information DI via communication module 58 to notify object 9. On the other hand, in function/step #6, when being judged as that the value of retrograde notification flag is " 1 ", in function/step #7��#12 whenever meeting notification condition as illustrated, send running condition information DI. Below, function/step #7��#12 is described. When functions/step #7��#12, suitable functions/step #22��#24.
As mentioned above, it is necessary, when sail general road after retrograde vehicle have passed expressway entrance and exit (IC) into or enter serve district (SA) and parking area (PA), notice system 2 terminates to be in the notice of retrograde state. Therefore, judge whether subject vehicle 80 have passed and freeway infrastructure F(IC/SA/PA by running condition information transmission portion 25) between boundary B (with reference to Fig. 5 and Fig. 6) (#7). When subject vehicle 80 have passed boundary B, sending the running condition information DI comprising following information by running condition information transmission portion 25, this information refers to, terminates to represent the information (#8) of the offer of the information being in retrograde state. In the running condition information DI sent, it is preferable that comprise with the information of the corresponding freeway infrastructure F of the boundary B passed through. Such as, preferably by running condition information generating unit 24, this running condition information DI is generated, or this running condition information DI is the running condition information DI after changing (information etc. adding end information or freeway infrastructure F) part after carrying out function/step #7. In addition, the value of retrograde state detection mark can be remained expression according to former state at this time point and detect retrograde " 1 ".
When running condition information transmission portion 25 have sent the running condition information DI comprising and representing the information that detection of driving in the wrong direction terminates in function/step #8, the value of retrograde notification flag is set as " 0 " by function/step #24, and repeats a series of process from function/step #1. Subject vehicle 80 have passed the boundary B between freeway infrastructure F etc., therefore becomes to meet judgement condition of driving in the wrong direction. Therefore, being judged as not being in retrograde state in the function/step #4 in a series of process repeated, thus in function/step #21, the value of retrograde state detection mark is changed to " 0 ". Then, the value of the notification flag that judges to drive in the wrong direction in function/step #22. The value of notification flag of driving in the wrong direction is changed to " 0 " in the function/step #24 in front once a series of process. Therefore, running condition information transmission portion 25 does not send running condition information DI, and the value of retrograde notification flag is set as " 0 " again, and repeats a series of process from function/step #1.
In function/step #7, if it is determined that subject vehicle 80 is not by freeway infrastructure F(IC/SA/PA) between boundary B, then judge whether each notification condition of content with funtion/step #9��#12. In function/step #9, judge whether the increasing amount �� V of traveling speed V adds prespecified more than increasing amount ThdV. Being judged as in the situation (situation at more than the increasing amount ThdV specified) that the increasing amount �� V of traveling speed V is not less than the increasing amount ThdV of regulation, it is transferred to function/step #13 send running condition information DI. The running condition information DI that this running condition information DI is such as preferably generated after function/step #5 by running condition information generating unit 24. In addition, it is also possible to replacing the increasing amount �� V of traveling speed V, the situation that the operating range in the per unit time adds more than prespecified increasing amount is as notification condition.
Function/step #9 is judged as the increasing amount ThdV that the increasing amount �� V of traveling speed V is less than regulation, it is transferred to function/step #10 and judges whether to meet other notification condition. In function/step #10, judge whether the traveling speed V of subject vehicle 80 notifies more than speed ThV in prespecified requirement. When travelling speed V and be less than requirement notice speed ThV, the speed close with the relative car sailed due to subject vehicle 80 is also little, does not thus send running condition information DI, and repeats a series of process from function/step #1.
In addition, as mentioned above, it is necessary, in retrograde state arbitration functions/step #4, by the traveling speed V of subject vehicle 80 whether situation more than prespecified datum velocity be used as judgement condition of driving in the wrong direction. As a mode, it is also possible to the datum velocity requiring notice speed ThV and retrograde judgement condition is set as identical value. Now, owing to being judged as that the traveling speed V of subject vehicle 80 is more than datum velocity, is namely requiring more than notice speed ThV by retrograde state judging part 23, thus can omit function/step #10. Obviously, when arranging function/step #10, it is preferable that will require that notice speed ThV is set as the speed higher than the datum velocity of retrograde judgement condition.
In function/step #10, it is being judged as that traveling speed V is when requiring more than notice speed ThV, whether is judging once to send elapsed time PT that running condition information DI starts in the prespecified notice timed interval more than ThPT (#11) in the past. The measurement example in elapsed time PT is as realized by the timing register or counter etc. of the minicomputer forming navigationsystem 5. In the situation (elapsed time PT is in the situation in the notice timed interval more than ThPT) that elapsed time PT is not less than notice timed interval ThPT, it is transferred to function/step #13 send running condition information DI. The running condition information DI that this running condition information DI is such as preferably generated after function/step #5 by running condition information generating unit 24.
On the other hand, in function/step #11, when being judged as elapsed time PT not when notifying the timed interval more than ThPT (elapsed time PT is less than notice timed interval ThPT), judge whether to meet other notification condition in function/step #12. That is, whether judge once to send cumulative operating range TD that running condition information starts in prespecified notice distance more than interval T hTD (#12) in the past. The counter of minicomputer, general purpose register and the totalizer etc. that form navigationsystem 5 such as can be utilized to carry out the detected result of accumulation distance sensor 54, thus realize the calculating of cumulative operating range TD. At cumulative operating range TD when notifying distance more than interval T hTD, it is transferred to function/step #13 send running condition information DI. The running condition information DI that this running condition information DI is such as preferably generated after function/step #5 by running condition information generating unit 24.
Function/step #10 and #11 exemplified with using following situation (condition A) as notification condition, send the mode of running condition information DI, this situation (condition A) refers to, when subject vehicle 80 notifies the speeds of more than speed ThV with prespecified requirement, the elapsed time PT that once transmission running condition information DI starts in the past reaches the situation in prespecified notice timed interval ThPT. In addition, function/step #10 and #12 exemplified with using following situation (condition B) as notification condition, send the mode of running condition information DI, this situation (condition B) refers to, when subject vehicle 80 notifies the speeds of more than speed ThV with prespecified requirement, once send the situation that the cumulative operating range TD that running condition information DI starts subject vehicle 80 reaches prespecified notice distance interval T hTD in the past.
Like this, in function/step #10��#12, exemplified with when subject vehicle 80 notifies the speeds of more than speed ThV with prespecified requirement, the mode of situation as notification condition of A or condition B will be satisfied condition. But, be not limited to which, it is also possible to when subject vehicle 80 notifies the speeds of more than speed ThV with prespecified requirement, using satisfy condition A and condition B situation as notification condition.
In addition, in the mode shown in Fig. 4, following example is shown, namely, function/step #10 being judged as, the traveling speed V of subject vehicle 80 is less than requirement notice speed ThV, repeat a series of process from function/step #1, and do not send running condition information DI. But, when requiring that notice speed ThV is not zero, even if subject vehicle 80 is at low speed, also exist with the possibility of retrograde state traveling. Therefore, function/step #10 being judged as, the traveling speed V of subject vehicle 80 is less than requirement notice speed ThV, it is also preferred that using once sending situation that the elapsed time PT that running condition information DI starts reaches prespecified maximum notice timed interval as notification condition in the past, send running condition information DI. At this, it is preferable that the maximum notice timed interval is set as the value bigger than notice timed interval ThPT.
In addition, function/step #10 being judged as, the traveling speed V of subject vehicle 80 is less than requirement notice speed ThV, such as, can also supspend (maintenance) by forming the meter to elapsed time PT that the timing register of minicomputer of navigationsystem 5 or counter etc. carry out survey, or reset elapsed time PT. Equally, such as, can also supspend the accumulation calculating to cumulative operating range TD that (maintenance) is undertaken by the counter of the minicomputer forming navigationsystem 5, general purpose register, totalizer etc., or reset operating range TD. However, it is possible to the meter supspending or resetting elapsed time PT is surveyed, continue on the other hand cumulative operating range TD is carried out accumulation calculating, it is also possible to supspend or reset the accumulation calculating of cumulative operating range TD, continue meter on the other hand and survey elapsed time PT.
In addition, it is also possible to " notification condition " that illustrate in the schema of Fig. 4 is not applied to the whole of this schema. Such as, it is also possible to the either condition in the notification condition of the notification condition of function/step #9 and function/step #10��#12 is suitable for as notification condition. In addition, one or both that the notification condition of function/step #7��#8 can also be applicable in the notification condition of function/step #9 and the notification condition of function/step #10��#12, it is also possible to the notification condition of uncomfortable function/step #9 and the notification condition of function/step #10��#12.
As explained above, according to the present invention, it may be possible to provide can effectively and efficiently from subject vehicle to notify object notify the transport information notice system being in the traveling state of the subject vehicle of retrograde state.
Utilizability in industry
The present invention can be applicable to following transport information notice system, this transport information notice system is in the traveling state of the subject vehicle of retrograde state to notify object notice, described retrograde state refers to, to the state of the direction running contrary with the traveling direction that road is specified, described notify object refers to, administrative center and at least one party being present in the nearby vehicle of this subject vehicle periphery.
Claims (4)
1. a transport information notice system, the traveling state of the subject vehicle of retrograde state it is in notify object notice, described retrograde state refers to, to the state of the direction running contrary with the traveling direction that road is specified, described notify object refers to, administrative center and at least one party being present in the nearby vehicle of described subject vehicle periphery
This transport information notice system is characterised in that to have:
Vehicle location determination portion, it determines subject vehicle position, and described subject vehicle position is the position existing for described subject vehicle,
Road information acquisition unit, it obtains road information, and this road information at least comprises the information of the current classification representing the traveling direction specified by road in described subject vehicle position,
Driving information acquisition unit, it obtains the driving information of the information at least comprising travel direction, and this travel direction refers to, the direction that described subject vehicle travels relative to described current classification,
Retrograde state judging part, it, based on described road information, described driving information and prespecified retrograde judgement condition, judges whether the described traveling state of described subject vehicle is in described retrograde state,
Running condition information transmission portion, its when described subject vehicle be judged as be in described retrograde state, when meeting prespecified notification condition whenever the described driving information based on described subject vehicle, sending running condition information to described notify object, this running condition information is the information representing described traveling state;
The described driving information of described subject vehicle, comprises at least one item in the traveling speed of described subject vehicle and operating range;
Described running condition information transmission portion, using the 3rd situation as described notification condition, sending described running condition information, described 3rd situation refers to, described traveling speed or the described operating range in the unit time add the situation of more than prespecified increasing amount.
2. transport information notice system as claimed in claim 1, it is characterised in that,
The described driving information of described subject vehicle, comprises at least one item in the traveling speed of described subject vehicle and operating range;
Described running condition information transmission portion, when described subject vehicle is with more than prespecified requirement notice speed speeds, using at least one situation in the first situation and the 2nd situation as described notification condition, send described running condition information, described first situation refers to and once sends the situation that described running condition information starts to reach the prespecified notice timed interval in the past, and described 2nd situation refers to and once sends the situation that described running condition information starts to reach prespecified notice distance interval in the past.
3. transport information notice system as claimed in claim 1 or 2, it is characterised in that,
Described running condition information transmission portion, using the 4th situation as described notification condition, send described running condition information, described 4th situation refers to, described subject vehicle have passed the situation on the border at least comprising between the freeway infrastructure of expressway entrance and exit and the travel of motorway.
4. a transport information Notification Method, the traveling state of the subject vehicle of retrograde state it is in notify object notice, described retrograde state refers to, to the state of the direction running contrary with the traveling direction that road is specified, described notify object refers to, administrative center and at least one party being present in the nearby vehicle of described subject vehicle periphery
This transport information Notification Method is characterised in that, comprising:
Vehicle location determining step, it is determined that subject vehicle position, described subject vehicle position is the position existing for described subject vehicle,
Road information obtaining step, obtains road information, and this road information at least comprises the information of the current classification representing the traveling direction specified by road in described subject vehicle position,
Driving information obtaining step, obtains the driving information of the information at least comprising travel direction, and this travel direction refers to, the direction that described subject vehicle travels relative to described current classification,
Retrograde state determining step, based on described road information, described driving information and prespecified retrograde judgement condition, judges whether the described traveling state of described subject vehicle is in described retrograde state,
Running condition information forwarding step, when described subject vehicle be judged as be in described retrograde state, when meeting prespecified notification condition whenever the described driving information based on described subject vehicle, sending running condition information to described notify object, this running condition information is the information representing described traveling state;
The described driving information of described subject vehicle, comprises at least one item in the traveling speed of described subject vehicle and operating range;
In described running condition information forwarding step, using the 3rd situation as described notification condition, sending described running condition information, described 3rd situation refers to, described traveling speed or the described operating range in the unit time add the situation of more than prespecified increasing amount.
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| JP5796740B2 (en) | 2015-10-21 |
| CN103164988A (en) | 2013-06-19 |
| JP2013122659A (en) | 2013-06-20 |
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