CN104408909A - ZigBee-based taxi scheduling closed-loop control system - Google Patents
ZigBee-based taxi scheduling closed-loop control system Download PDFInfo
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- CN104408909A CN104408909A CN201410670467.7A CN201410670467A CN104408909A CN 104408909 A CN104408909 A CN 104408909A CN 201410670467 A CN201410670467 A CN 201410670467A CN 104408909 A CN104408909 A CN 104408909A
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- 238000004891 communication Methods 0.000 claims abstract description 10
- 238000012544 monitoring process Methods 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims description 19
- 239000003550 marker Substances 0.000 claims description 3
- 230000029305 taxis Effects 0.000 claims description 3
- 230000006870 function Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 238000011069 regeneration method Methods 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/20—Monitoring the location of vehicles belonging to a group, e.g. fleet of vehicles, countable or determined number of vehicles
- G08G1/202—Dispatching vehicles on the basis of a location, e.g. taxi dispatching
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Abstract
The invention discloses a ZigBee-based taxi scheduling closed-loop control system, belonging to the technical field of taxi scheduling control systems. The ZigBee-based taxi scheduling closed-loop control system disclosed by the invention comprises a taxi scheduling control centre and a taxi mobile terminal child node; the taxi scheduling control centre and the taxi mobile terminal child node are in communication connection through a Zigbee network; the taxi mobile terminal child node comprises a ZigBee module, a mobile terminal locating module, a taxi calling module and a receiving module; and the taxi scheduling control centre comprises the ZigBee module and a vehicle monitoring module. According to the invention, taxi empty-load information can be transmitted, processed and fed back in time; therefore, closed-loop control of taxi information scheduling is realized; the empty-load rate of a taxi is reduced; taxi resources are scheduled reasonably; and thus, the maximum utilization of taxi resources and the maximum benefits of taxi drivers are increased.
Description
Technical field
The present invention relates to a kind of taxi dispatching closed-loop control system based on ZigBee, belong to taxi dispatching control system technical field.
Background technology
Taxi because of its easily and efficiently feature play an important role in Modern City Traffic.But because urban transportation is only comparatively busy time on and off duty, therefore taxi is easy to when traffic is not too busy be in without objective light condition.Taxi deadhead operation is a kind of wasting of resources, also when taxi is unloaded, a lot of passengers due to the position be in comparatively remote, be difficult on the way wait until a unload taxi.Therefore, utilize some dispatching methods to help passenger and empty wagons to find the other side, alleviate the phenomenon of taxi zero load to a certain extent, it also avoid the waste of resource.
Application number is 201110269296.3, the applying date be on September 13rd, 2011 application discloses a kind of taxi intelligent automatic dispatching system, comprise HiTaxi passenger's software, HiTaxi service cloud, the vehicle-mounted software and hardware of HiTaxi.HiTaxi passenger's software can be collected the positional information of passenger and send to HiTaxi service cloud.HiTaxi service cloud can collect the positional information of all passengers, and screens information and format, and can also realize storage and the inquiry of information, and pushes information on the vehicle-mounted software and hardware of HiTaxi.After the vehicle-mounted software and hardware of HiTaxi receives each position information, can in conjunction with vehicular map in real time the dynamic positional information by each passenger be shown in Vehicular screen.The Automatic dispatching taxi of the present invention's energy intelligence, helps passenger to take taxi quickly and easily, convenient citizens' activities; Also facilitate car to hire a car driver's carrying more efficiently simultaneously, improve the cabin factor of taxi, to alleviate traffic pressure and can social resources be optimized.
Application number is 201310415981.1, the applying date be on September 13rd, 2013 application discloses a kind of full intellectualized taxi dispatching system and dispatching method thereof: user will order car information by cell-phone customer terminal and be sent to server, and empty wagon position information adopts GPS automatic station-keeping system input vehicle-mounted data terminal, and be sent to server by GPRS (or radio station), server is according to (time of using cars) of user, Entrucking Point, (vehicle), empty wagon position and distribution situation, carry out reasonably vehicle scheduling fast, and automatically shown by GIS, thus ensure to provide to guest at the appointed time to use car.Dispatching system of the present invention, comprising: the cell-phone customer terminal with location and GPRS communication function, has the taxi client of positioning vehicle-carried terminal and the cloud server direct-connected with geographic information database; The invention also discloses the dispatching method of above-mentioned dispatching system.
Current taxi dispatching system, no matter passenger is by intelligent mobile terminal taxi booking, still (as landline telephone) taxi booking by other means, the Dynamic Selection to taxi can not be realized, rational allocation taxi resource, realizes the maximization of taxi maximum resource utilization and taxi driver's income.
Summary of the invention
In order to solve the problem, the present invention proposes a kind of taxi dispatching closed-loop control system based on ZigBee, the timely transmission of the unloaded information of taxi, process and feedback can be realized, thus realize the closed-loop control of taxi information scheduling, reduce taxi no-load ratio, rational allocation taxi resource, improves the maximization of taxi maximum resource utilization and taxi driver's income.
The present invention adopts following technical scheme for solving its technical matters:
A kind of taxi dispatching closed-loop control system based on ZigBee, comprise taxi dispatching control center and taxi mobile terminal child node, described taxi dispatching control center and taxi mobile terminal child node are communicated to connect by Zigbee network, described taxi mobile terminal child node comprises the first ZigBee module, mobile terminal locating module, chauffeur module, receiver module, described first ZigBee module respectively with mobile terminal locating module, chauffeur module is connected with receiver module, described taxi dispatching control center comprises the second ZigBee module and vehicle monitoring module, described second ZigBee module and vehicle monitoring model calling,
Described first ZigBee module and the second ZigBee module are used for the information transmission by Zigbee communication real-time performance taxi mobile terminal child node and taxi dispatching control center;
Described mobile terminal locating module is for obtaining the latitude and longitude coordinates data of taxi present position;
Described chauffeur module is used for sending chauffeur request to taxi dispatching control center;
Described receiver module is for receiving the information of the chauffeur order of taxi dispatching control center transmission;
Described vehicle monitoring module is used for after receiving chauffeur information, determines by people truck position matching algorithm taxi of getting the bid, and generating chauffeur order and send to taxi mobile terminal child node, is running status with this acceptance of the bid taxi of tense marker.
As a preferred technical solution of the present invention: described mobile terminal locating module is car-mounted terminal locating module.
As a preferred technical solution of the present invention: described car-mounted terminal locating module obtains the latitude and longitude information of institute's assembling taxi by Chinese Beidou satellite navigation system.
As a preferred technical solution of the present invention: described taxi dispatching control center also comprises state display module, and described state display module is connected with ZigBee module.
As a preferred technical solution of the present invention: described people truck position matching algorithm, specific as follows: given one group of passenger position
with one group of driver position
, with
, remember the air line distance between a pair passenger and driver, wherein
, consider fairness, under the condition minimizing passenger waiting time, each passenger waiting times is as far as possible consistent, and suppose that the speed of all taxis is consistent, then objective function is:
, be constrained to:
.
A kind of taxi dispatching closed-loop control system based on ZigBee of the present invention adopts above technical scheme compared with prior art, has following technique effect:
(1) ZigBee technology is applied to real-time Communication for Power and the information transmission of taxi dispatching by the present invention, and low cost, data transmission credibility are strong, and the taxi dispatching communication network set up, antijamming capability is strong.
(2) self-healing function of the present invention is strong, and taxi can add or leave already present taxi ZigBee-network at any time, network can both self-regeneration without the need to manual intervention, whole system still can normally work.
(3) the present invention can realize the timely transmission of the unloaded information of taxi, process and feedback, thus realize the closed-loop control of taxi information scheduling, the unloaded information of taxi can be processed in time, reduce taxi no-load ratio, improve the maximization of taxi maximum resource utilization and taxi driver's income.
(4) the present invention multiple taxi mobile terminal child node and taxi dispatching control center carry out simultaneously data transmit time, and taxi mobile terminal child node and taxi dispatching control center are when carrying out bidirectional data transfers, avoid competition when sending data and conflict, have employed the data transmission mechanism confirmed completely simultaneously, ensure that the reliability of information transmission.
accompanying drawing explanation
Fig. 1 is the schematic diagram of the taxi dispatching closed-loop control system based on ZigBee.
Embodiment
Below in conjunction with accompanying drawing, the invention is described in further details.
A kind of taxi dispatching closed-loop control system based on ZigBee as shown in Figure 1, comprise taxi dispatching control center and taxi mobile terminal child node, described taxi dispatching control center and taxi mobile terminal child node are communicated to connect by Zigbee network, described taxi mobile terminal child node comprises the first ZigBee module, mobile terminal locating module, chauffeur module, receiver module, described first ZigBee module respectively with mobile terminal locating module, chauffeur module is connected with receiver module, described taxi dispatching control center comprises the second ZigBee module and vehicle monitoring module, described second ZigBee module and vehicle monitoring model calling,
Described first ZigBee module and the second ZigBee module are used for the information transmission by Zigbee communication real-time performance taxi mobile terminal child node and taxi dispatching control center;
Described mobile terminal locating module is for obtaining the latitude and longitude coordinates data of taxi present position;
Described chauffeur module is used for sending chauffeur request to taxi dispatching control center;
Described receiver module is for receiving the information of the chauffeur order of taxi dispatching control center transmission;
Described vehicle monitoring module is used for after receiving chauffeur information, determines by people truck position matching algorithm taxi of getting the bid, and generating chauffeur order and send to taxi mobile terminal child node, is running status with this acceptance of the bid taxi of tense marker.
As a preferred technical solution of the present invention: described mobile terminal locating module is car-mounted terminal locating module.
As a preferred technical solution of the present invention: described car-mounted terminal locating module obtains the latitude and longitude information of institute's assembling taxi by Chinese Beidou satellite navigation system.
As a preferred technical solution of the present invention: described taxi dispatching control center also comprises state display module, and described state display module is connected with ZigBee module.
As a preferred technical solution of the present invention: described people truck position matching algorithm, specific as follows: given one group of passenger position
with one group of driver position
, with
, remember the air line distance between a pair passenger and driver, wherein
, consider fairness, under the condition minimizing passenger waiting time, each passenger waiting times is as far as possible consistent, and suppose that the speed of all taxis is consistent, then objective function is:
, be constrained to:
.
Zigbee wireless technology have employed the collision-avoidance mechanism of CSMA-CA, avoids competition when sending data and conflict, have employed the data transmission mechanism confirmed completely simultaneously, ensure that the reliability of information transmission.Zigbee network has powerful self organization ability, and self-healing ability is strong, and self organizing function shows as: without the need to manual intervention, the existence of other nodes of network node energy perception, and determines annexation, forms structurized network.The self-healing function of Zigbee shows as: increase, delete or mobile node, nodes break down etc., network can both self-regeneration without the need to manual intervention, ensure whole system still can normally work.Zigbee is with low cost, and the complexity of equipment is low, and Zigbee agreement exempts from patent royalty, and these can reduce equipment cost effectively; The working frequency range of Zigbee is flexible, is the 2.4GHz of unlicensed band, does not have the radio communication of usage charges exactly.The network capacity of Zigbee is large, Zigbee network can hold maximum 254 from equipment and a main equipment, more than 200 Zigbee network can be there is in a region simultaneously.In addition, the power consumption of Zigbee is very little, is well suited for the application of distribution control system.The feature of Zigbee determines it and is well suited for using in all kinds of power-consumption control system.
ZigBee technology is applied to real-time Communication for Power and the information transmission of taxi dispatching by the present invention, and low cost, data transmission credibility are strong, and the taxi dispatching communication network set up, antijamming capability is strong.
Taxi dispatching control center in the present invention can grasp the real time running position of the taxi being arranged in ZigBee-network and the no-load condition of taxi in time, and is arranged in the taxi of ZigBee-network according to the solicited message of user and the solicited message scheduling of taxi.
If the useful car demand of user, can to taxi dispatching control center releasing request information, the position of taxi dispatching control center residing for user, with the position residing for user for the center of circle, certain distance is that radius is searched, if have empty wagons within the scope of this, namely send the position residing for user to empty wagons, and notify that user has car.If there is no car within the scope of this, then with larger distance for radius is searched for.
If taxi is in no-load condition, taxi also can issue call request information to taxi dispatching control center, whether the search of taxi dispatching control center now has user to need chauffeur, if there is demand information, then taxi dispatching control center notice air-service taxi goes to user to locate.
Self-healing function of the present invention is strong, and taxi can add or leave already present taxi ZigBee-network at any time, network can both self-regeneration without the need to manual intervention, whole system still can normally work.
The present invention multiple taxi mobile terminal child node and taxi dispatching control center carry out simultaneously data transmit time, and taxi mobile terminal child node and taxi dispatching control center are when carrying out bidirectional data transfers, avoid competition when sending data and conflict, have employed the data transmission mechanism confirmed completely simultaneously, ensure that the reliability of information transmission.
The present invention can realize the timely transmission of the unloaded information of taxi, process and feedback, thus realize the closed-loop control of taxi information scheduling, the unloaded information of taxi can be processed in time, reduce taxi no-load ratio, improve the maximization of taxi maximum resource utilization and taxi driver's income.
By reference to the accompanying drawings embodiments of the present invention are explained in detail above, but the present invention is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, can also makes a variety of changes under the prerequisite not departing from present inventive concept.
Claims (5)
1. the taxi dispatching closed-loop control system based on ZigBee, it is characterized in that comprising taxi dispatching control center and taxi mobile terminal child node, described taxi dispatching control center and taxi mobile terminal child node are communicated to connect by Zigbee network, described taxi mobile terminal child node comprises the first ZigBee module, mobile terminal locating module, chauffeur module, receiver module, described first ZigBee module respectively with mobile terminal locating module, chauffeur module is connected with receiver module, described taxi dispatching control center comprises the second ZigBee module and vehicle monitoring module, described second ZigBee module and vehicle monitoring model calling,
Described first ZigBee module and the second ZigBee module are used for the information transmission by Zigbee communication real-time performance taxi mobile terminal child node and taxi dispatching control center;
Described mobile terminal locating module is for obtaining the latitude and longitude coordinates data of taxi present position;
Described chauffeur module is used for sending chauffeur request to taxi dispatching control center;
Described receiver module is for receiving the information of the chauffeur order of taxi dispatching control center transmission;
Described vehicle monitoring module is used for after receiving chauffeur information, determines by people truck position matching algorithm taxi of getting the bid, and generating chauffeur order and send to taxi mobile terminal child node, is running status with this acceptance of the bid taxi of tense marker.
2. a kind of taxi dispatching closed-loop control system based on ZigBee according to claim 1, is characterized in that described mobile terminal locating module is car-mounted terminal locating module.
3. a kind of taxi dispatching closed-loop control system based on ZigBee according to claim 2, is characterized in that described car-mounted terminal locating module obtains the latitude and longitude information of institute's assembling taxi by Chinese Beidou satellite navigation system.
4. a kind of taxi dispatching closed-loop control system based on ZigBee according to claim 1, it is characterized in that described taxi dispatching control center also comprises state display module, described state display module is connected with ZigBee module.
5. a kind of taxi dispatching closed-loop control system based on ZigBee according to claim 1, is characterized in that described people truck position matching algorithm, specific as follows: given one group of passenger position
with one group of driver position
, with
, remember the air line distance between a pair passenger and driver, wherein
, consider fairness, under the condition minimizing passenger waiting time, each passenger waiting times is as far as possible consistent, and suppose that the speed of all taxis is consistent, then objective function is:
, be constrained to:
.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410670467.7A CN104408909A (en) | 2014-11-21 | 2014-11-21 | ZigBee-based taxi scheduling closed-loop control system |
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| CN201410670467.7A CN104408909A (en) | 2014-11-21 | 2014-11-21 | ZigBee-based taxi scheduling closed-loop control system |
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| CN104408909A true CN104408909A (en) | 2015-03-11 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106875673A (en) * | 2017-03-31 | 2017-06-20 | 合肥民众亿兴软件开发有限公司 | A kind of passenger station passenger evacuation system |
| CN107645718A (en) * | 2017-08-31 | 2018-01-30 | 武汉斑马快跑科技有限公司 | The about car method and system of intercity net based on closely bluetooth connection about car |
| CN114862174A (en) * | 2022-04-28 | 2022-08-05 | 南京东道电子装备技术研究院有限公司 | An automatic trolley shortest path automatic scheduling system |
| CN117577284A (en) * | 2024-01-17 | 2024-02-20 | 湖南洁城环保科技有限公司 | A traceability management method and system for medical waste intelligent collection vehicles |
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| CN201690601U (en) * | 2010-04-12 | 2010-12-29 | 赵秀珍 | Streetlights management and automatic taxi call dispatching system based on internet of thing |
| CN102521965A (en) * | 2011-12-09 | 2012-06-27 | 同济大学 | Effect evaluation method of traffic demand management measures based on identification data of license plates |
| CN202503672U (en) * | 2012-02-02 | 2012-10-24 | 淮安信息职业技术学院 | Traffic closed loop control system based on Zigbee |
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2014
- 2014-11-21 CN CN201410670467.7A patent/CN104408909A/en not_active Withdrawn
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| JP2002251433A (en) * | 2001-02-22 | 2002-09-06 | Nec Corp | Taxi allocation method and its system |
| CN201690601U (en) * | 2010-04-12 | 2010-12-29 | 赵秀珍 | Streetlights management and automatic taxi call dispatching system based on internet of thing |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106875673A (en) * | 2017-03-31 | 2017-06-20 | 合肥民众亿兴软件开发有限公司 | A kind of passenger station passenger evacuation system |
| CN107645718A (en) * | 2017-08-31 | 2018-01-30 | 武汉斑马快跑科技有限公司 | The about car method and system of intercity net based on closely bluetooth connection about car |
| CN107645718B (en) * | 2017-08-31 | 2020-12-18 | 武汉斑马快跑科技有限公司 | Method and system for car-hailing based on short-range Bluetooth connection |
| CN114862174A (en) * | 2022-04-28 | 2022-08-05 | 南京东道电子装备技术研究院有限公司 | An automatic trolley shortest path automatic scheduling system |
| CN117577284A (en) * | 2024-01-17 | 2024-02-20 | 湖南洁城环保科技有限公司 | A traceability management method and system for medical waste intelligent collection vehicles |
| CN117577284B (en) * | 2024-01-17 | 2024-04-26 | 湖南洁城环保科技有限公司 | A traceability management method and system for medical waste intelligent collection vehicles |
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Application publication date: 20150311 |