EP0941451A1 - Method and device for navigation support of a vehicule driver - Google Patents
Method and device for navigation support of a vehicule driverInfo
- Publication number
- EP0941451A1 EP0941451A1 EP97951220A EP97951220A EP0941451A1 EP 0941451 A1 EP0941451 A1 EP 0941451A1 EP 97951220 A EP97951220 A EP 97951220A EP 97951220 A EP97951220 A EP 97951220A EP 0941451 A1 EP0941451 A1 EP 0941451A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- vehicle
- points
- route
- waypoint
- connections
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000010586 diagram Methods 0.000 description 2
- 238000004040 coloring Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
- G08G1/0969—Systems involving transmission of navigation instructions to the vehicle having a display in the form of a map
Definitions
- the invention relates to a method and a device for route guidance support of a vehicle driver, on which instructions are issued which are derived from a comparison of a route predefined by route guidance points and respectively determined positions of the vehicle.
- the computer including the digital map base, is located in the vehicle. These systems are called on-board route guidance systems.
- the route information is transmitted to the driver in the form of symbolized representations of the route points, in particular the intersections and branches.
- the driver lacks any information about the subsequent course of the route. He must therefore have complete trust in the functionality of the system. Furthermore, an inaccurate position determination of the vehicle or a complicated course of the road can lead the driver to make rapid lane changes.
- the object of the present invention is to improve the information display for the vehicle driver.
- the route guide points and connections between the route guide points of at least a part of the predetermined route are shown schematically.
- the display can be such that only the part of the route lying in front of the vehicle or only part of it is shown.
- the respective position of the vehicle is then at the bottom of the display, while the representation of the route and the guidance points are moved in accordance with the vehicle movement.
- the method according to the invention is suitable for both on-board and off-board systems.
- data representing the specified route and describe the way points are transmitted from a fixed computer to a vehicle unit in the vehicle.
- the representations of the guide points also contain symbols for roads which do not lie on the specified guideway and which depart from the guide points. It is advantageous if the symbols are short lines that differ from the connections between the waypoints.
- the method according to the invention can also provide that a symbol for the respectively determined position of the vehicle is also shown.
- a further development of the method according to the invention consists in that data about the traffic conditions are also transmitted and displayed in the form of the respective waypoint points and / or the symbols assigned between the waypoint points.
- This data can, for example, traffic obstacles such as traffic jams, closures or affect the weather.
- Route guidance support for a vehicle driver with a graphical display device (display) for outputting instructions which are derived from a comparison of a route specified by waypoint points and the positions of the vehicle determined in each case, is characterized in that the waypoint points and connections between the waypoint points of at least part of the predetermined amount Driving paths are shown schematically.
- the device according to the invention is suitable for both on-board and off-board systems.
- data describing the predefined route and the guidance points are transmitted from a stationary computer to a vehicle unit located in the vehicle.
- the representations of the guide points also contain symbols for roads that start from the guide points and do not lie on the predefined route. It is advantageous if the symbols are short lines that differ from the connections between the waypoints.
- the device according to the invention can also be designed such that the respective guide point to which the vehicle is traveling, including at least one directional arrow, can be represented schematically.
- This The display can either be switched on alternatively with the road map or in addition to the road map, the display of the respective waypoint reflecting the course of the road at the waypoint, for example a roundabout.
- Fig. 2 shows the representation according to a second embodiment
- Fig. 3 is a block diagram of an embodiment of a device according to the invention.
- Figures 1 and 2 each show a screen 1 on which guidance points A, B, C, D and a destination Z are shown according to their approximate geographical location including the routes connecting them. The latter are shown highlighted in relation to paths branching off at guidance points A to D.
- the vehicle is apparently at the lower edge of the picture and is driving towards the guide point A.
- a symbolic representation of the waypoint A is visible in a window 2 that is shown.
- information 3 about the distance between the vehicle and the waypoint A is shown in the window 2. Further information, for example the remaining distance to the destination, can also be found in window 2 or another suitable one Place of the screen image 1 may be provided.
- the entire predetermined travel path between the starting point S and the destination Z is shown on the screen 1.
- the vehicle is currently between the way points A and B and is shown as symbol 4.
- an alternative route has been calculated in the traffic computer, which leads to destination Z via further route guide points E, F.
- the representation of the alternative route is different from the specified route.
- Color displays are usually available for the representation shown in FIGS. 1 and 2, so that the shape and coloring of the representations can be optimized so that they can be easily recognized.
- the window 2 (FIG. 1) can be shown or hidden, depending on the driver's choice, or can take up the entire screen 1 if the driver does not value a representation of the route.
- the exemplary embodiment of a device according to the invention shown as a block diagram in FIG. 3, consists of a vehicle unit 10 and a central device 11, between which there is a radio link with a transmitter / receiver 12, 13, for example according to the GSM standard.
- a traffic computer 14 which has access to a stored road map 15 and which determines the route for many vehicles.
- the vehicle unit 10 essentially consists of an on-board computer 16, a GPS receiver 17, an input device 18, a display device 19 and a memory 20. These components are known per se and need not be explained in more detail in order to understand the invention.
- the display device comprises a screen, for example in liquid crystal technology, on which the representations shown by way of example in FIGS. 1 and 2 can be reproduced.
- the GPS receiver 17 continuously supplies the on-board computer 16 with information about the geographic position of the vehicle.
- the driver of the vehicle can enter a destination with the input device 18.
- This, together with the current position, is fed to the traffic computer 14, which determines the desired route on the basis of the road map 15 and transmits it to the vehicle unit 10 in the form of a waypoint list.
- the traffic computer also calculates alternative routes to the individual route guidance points, as described above, which are likewise transmitted to the vehicle unit, and also transmits traffic reports which relate to the respective route.
- the on-board computer is informed of the extent to which guidance points can be reached on the desired route, so that the map representations according to FIGS. 1 and 2 are updated as the vehicle moves and the guidance information 2 (FIG. 1) for the respective leading guide point is displayed.
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Navigation (AREA)
- Traffic Control Systems (AREA)
- Instructional Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19648906A DE19648906A1 (en) | 1996-11-26 | 1996-11-26 | Method and device for route guidance support for a vehicle driver |
| DE19648906 | 1996-11-26 | ||
| PCT/EP1997/006412 WO1998023919A1 (en) | 1996-11-26 | 1997-11-18 | Method and device for navigation support of a vehicule driver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0941451A1 true EP0941451A1 (en) | 1999-09-15 |
| EP0941451B1 EP0941451B1 (en) | 2001-09-26 |
Family
ID=7812786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP97951220A Expired - Lifetime EP0941451B1 (en) | 1996-11-26 | 1997-11-18 | Method and device for navigation support of a vehicule driver |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0941451B1 (en) |
| JP (1) | JP2001507121A (en) |
| DE (2) | DE19648906A1 (en) |
| WO (1) | WO1998023919A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19933504A1 (en) * | 1999-07-16 | 2001-01-25 | Bayerische Motoren Werke Ag | Method for the graphical representation of a road ahead |
| DE19944938A1 (en) * | 1999-09-20 | 2001-03-22 | Mannesmann Vdo Ag | Navigation system has expanded display function whereby traffic restriction information applying to determined vehicle position and held in memory element is displayed |
| DE102008021952A1 (en) * | 2008-02-11 | 2009-09-03 | Navigon Ag | Method for operating a navigation system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1989006341A1 (en) * | 1987-12-28 | 1989-07-13 | Aisin Aw Co., Ltd. | A display unit of navigation system |
| EP0645603B1 (en) * | 1990-11-08 | 1997-08-27 | Motorola, Inc. | Land vehicle multiple navigation route apparatus |
| JP3295892B2 (en) * | 1991-06-13 | 2002-06-24 | 三菱電機株式会社 | Traffic information presentation device |
| DE69217311T2 (en) * | 1991-09-25 | 1997-07-24 | Philips Electronics Nv | Device and method for map display in vehicle navigation |
| JP2679505B2 (en) * | 1992-01-22 | 1997-11-19 | 三菱電機株式会社 | Navigation system for moving objects |
| GB9417600D0 (en) * | 1994-09-01 | 1994-10-19 | British Telecomm | Navigation information system |
-
1996
- 1996-11-26 DE DE19648906A patent/DE19648906A1/en not_active Withdrawn
-
1997
- 1997-11-18 DE DE59704735T patent/DE59704735D1/en not_active Expired - Lifetime
- 1997-11-18 WO PCT/EP1997/006412 patent/WO1998023919A1/en not_active Ceased
- 1997-11-18 EP EP97951220A patent/EP0941451B1/en not_active Expired - Lifetime
- 1997-11-18 JP JP52422898A patent/JP2001507121A/en active Pending
Non-Patent Citations (1)
| Title |
|---|
| See references of WO9823919A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2001507121A (en) | 2001-05-29 |
| WO1998023919A1 (en) | 1998-06-04 |
| DE19648906A1 (en) | 1998-05-28 |
| DE59704735D1 (en) | 2001-10-31 |
| EP0941451B1 (en) | 2001-09-26 |
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