EP1371047A1 - Updating routing and traffic flow data and a vehicle navigation device - Google Patents
Updating routing and traffic flow data and a vehicle navigation deviceInfo
- Publication number
- EP1371047A1 EP1371047A1 EP02703494A EP02703494A EP1371047A1 EP 1371047 A1 EP1371047 A1 EP 1371047A1 EP 02703494 A EP02703494 A EP 02703494A EP 02703494 A EP02703494 A EP 02703494A EP 1371047 A1 EP1371047 A1 EP 1371047A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- data
- traffic flow
- route
- vehicle navigation
- navigation device
- 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
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
- G08G1/096805—Systems involving transmission of navigation instructions to the vehicle where the transmitted instructions are used to compute a route
- G08G1/096811—Systems involving transmission of navigation instructions to the vehicle where the transmitted instructions are used to compute a route where the route is computed offboard
-
- 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
- G08G1/096805—Systems involving transmission of navigation instructions to the vehicle where the transmitted instructions are used to compute a route
- G08G1/096811—Systems involving transmission of navigation instructions to the vehicle where the transmitted instructions are used to compute a route where the route is computed offboard
- G08G1/096816—Systems involving transmission of navigation instructions to the vehicle where the transmitted instructions are used to compute a route where the route is computed offboard where the complete route is transmitted to the vehicle at once
-
- 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
- G08G1/096833—Systems involving transmission of navigation instructions to the vehicle where different aspects are considered when computing the route
- G08G1/096844—Systems involving transmission of navigation instructions to the vehicle where different aspects are considered when computing the route where the complete route is dynamically recomputed based on new data
Definitions
- the present invention relates to a method for updating .Routen flowers ,, in aharinavigationsgerat, • in particular an "off-board vehicle navigation apparatus, are stored, wherein the route data on the occurrence of at least one crystalbe- voted be updated event.
- ViJeiterhin the present invention relates a Vehicle navigation device, in particular an offboard vehicle navigation device, which is intended to receive and store route data from a central office, the present invention also relates to a method for updating stored traffic flow data which are suitable for calculating route data.
- Vehicle navigation devices are known.
- One type of vehicle navigation device carries a complete database, on the basis of which route data are calculated.
- there are methods for updating the route which are based on two different basic ideas.
- TMC Traffic Message Channel
- the vehicle navigation device calculates an alternative route on the basis of the database carried along.
- So-called off-board vehicle navigation devices are also known, which do not carry a complete database on the basis of which route data could be calculated.
- at least the start and destination addresses are transmitted to a control center for route planning, which then sends corresponding route data back to the offboard vehicle navigation device.
- the vehicle navigation devices with the database carried along the problem can arise that the vehicle navigation device does not have complete traffic flow data available for calculating alternative routes.
- the problem with the offboard vehicle navigation devices also arises that class alternative routes cannot be calculated due to the lack of a database. Advantages of the invention.
- the calculation of updated route data can be requested from a control center. This creates the prerequisite for offboard vehicle navigation devices to receive updated route data, and regardless of whether it is a vehicle navigation device with a database carried along or an offboard vehicle navigation device, it is possible for such a center to have more extensive traffic flow data available pose as- ' a car navigation device.
- the calculation of the updated route data in the central office on the basis of current and practically complete traffic available there flow data and digital road maps can be made. Since much higher computing capacities can be provided in such a center than in a vehicle navigation device, the updated route data can be calculated with more complex algorithms, so that qualitatively better results can be achieved.
- traffic flow disturbances can include traffic flow disturbances due to traffic jams or weather.
- traffic flow data are fed to the vehicle navigation device manually and / or automatically.
- the manual feed of the traffic flow data can take place, for example, by actuating an "traffic jam advance button" already mentioned at the beginning.
- the driver estimates the length of the traffic jam in addition to actuating the "traffic jam advance button” and also supplies this information to the vehicle navigation device.
- the input takes place via a voice input instead of a keyboard input.
- the traffic flow data are communicated to the vehicle navigation device by vehicle sensors and / or by one or more external sources for traffic flow data.
- vehicle sensors make it possible to analyze the current traffic condition in the vehicle, similar to what is provided, for example, with the so-called floating car data (FCD) algorithms.
- FCD floating car data
- external sources for traffic flow data for example, radio transmitters come into consideration, which transmit the TMC messages already mentioned.
- the method according to the invention for updating route data preferably further provides that the vehicle navigation device evaluates the traffic flow data supplied to it in order to determine whether there are traffic flow disruptions which require the route data to be updated.
- the vehicle navigation device can, for example, first check whether there is a significant or rather minor influence on the traffic in relation to the planned route. If there is only a slight influence on traffic related to the planned route, which can be determined, for example, from the corresponding TMC message or the corresponding TMC event code, then preferably no route request data are transmitted to the control center. In contrast to this, it is preferably provided that a significant traffic disruption always leads to a transmission of route request data to a central office.
- the route request data comprise at least parts of the traffic flow data supplied to the vehicle navigation device and / or information obtained from the traffic flow data supplied to the vehicle navigation device.
- the route request data may be insert internally generated messages such as "traffic jam advance" or FCD messages in the route request data.
- the vehicle navigation device transmits corresponding traffic flow data to a control center already in the detection of low traffic problems that are still 'not require updating of Routen flowers- mandatory, such as traffic flow data with the content "lively until slow traffic on route section XY ".
- the control center subjects at least certain traffic flow data contained in the route request data to a check, in particular a plausibility check.
- a check in particular a plausibility check.
- the updated route data is preferably calculated with the aid of traffic flow data available in the central office.
- available traffic flow data is to be understood to mean that the corresponding traffic flow data does not necessarily have to be located on data carriers which are physically present in the central office, but that the traffic flow data can also be provided, or only via WAN or LAN connections. In any case, it is possible to provide in the center much more extensive 'traffic flow data than is possible for a valve disposed in the car navigation device.
- the updated route data is calculated with the aid of traffic flow data contained in route request data.
- These traffic flow data can be compiled from a large number of route request data that were transmitted from a large number of vehicle navigation devices, such traffic flow data preferably being subjected to a plausibility check before use. In this way it can be avoided, for example, that an erroneously actuated "traffic jam advance button" leads to incorrectly updated route data being transmitted to other vehicle navigation devices.
- the inventive method for updating route data preferably further provides that traffic flow data available in the control center are updated on the basis of traffic flow data contained in route request data.
- the traffic flow data contained in the route request data are preferably subjected to a plausibility check before use.
- a large number of control centers maintain a single traffic database which the large number of control centers access.
- the transmission of the route data and / or the transmission of the updated route data preferably takes place via a mobile radio network.
- a mobile radio network can work, for example, according to the GSM or the UMTS standard.
- vehicle navigation device has:
- updated route data can be used, which are calculated on the basis of very comprehensive current traffic flow data, which can be made available to a control center, but not to a vehicle navigation device.
- the at least one predetermined traffic flow-induced event includes the occurrence of traffic flow disruptions on the originally planned route, as has already been explained in connection with the method according to the invention for updating route data.
- the vehicle navigation device preferably has input devices to which traffic flow data are fed manually and / or automatically.
- the manual entry of traffic flow data can be done, for example, by pressing a "traffic jam ahead key”. follow, where appropriate additional information can be entered, for example an estimated accumulation length.
- the traffic flow data are supplied to the input devices by vehicle sensors and / or by one or more external sources for traffic flow data.
- the floating car data (FCD) algorithms already mentioned come into consideration again.
- FCD algorithms allow conclusions to be drawn, for example, on the basis of data about the vehicle acceleration or deceleration, the current vehicle speed and / or the average speed, the current traffic conditions.
- sources of traffic management data are radio stations that send TMC messages.
- the vehicle navigation device preferably has evaluation devices which evaluate the supplied traffic flow data in order to determine whether there are traffic flow disturbances which require the route data to be updated. Similar to the method according to the invention for updating route data, it can also be provided in this context that no route request data are transmitted to a central office if there is only a slight influence on traffic, while preferably route request data be sent to a head office if there is a significant traffic disruption.
- the route request data transmitted from the vehicle navigation device according to the invention to at least one control center preferably comprise at least parts of the traffic flow data supplied via the input devices and / or information obtained therefrom.
- These traffic flow data transmitted to a central office can not only be used to calculate the updated route data, but it is also possible to use the traffic flow data contained in the route request data to update traffic flow databases that are accessed by one or more central offices.
- the vehicle navigation device also has means that transmit traffic flow data to at least one control center.
- These means can be formed by the same means which transmit route request data to at least one control center when at least one predetermined traffic flow-induced event occurs.
- traffic flow data are also transmitted to the central office that do not require the route data to be updated, for example traffic flow data with the content "brisk to slow traffic on route section XY".
- the vehicle navigation device preferably has and / or communication devices interacts with separate communication devices in order to transmit the route request data and / or to receive the updated route data.
- mobile radio devices can be considered, which can work, for example, according to the GSM or the UMTS standard.
- Traffic flow data are components of route request data, as has already been explained in connection with the method according to the invention for updating route data and the vehicle navigation device according to the invention.
- FIG. 1 a shows a first section of a flow chart which illustrates an exemplary embodiment of the method according to the invention for updating route data and the method according to the invention for updating stored traffic flow data, the first section of the flow diagram being carried out in the vehicle or in the vehicle navigation device,
- Figure 1b shows a in accordance with Figure la adjoining the first section second section 'of the flow chart, wherein the second portion of the flowchart is executed in a control center, and
- FIG. 1c shows a third section of the flow chart following the second section according to FIG. 1b, the third section of the flow chart being carried out in the vehicle or in the vehicle navigation device.
- the section of the flowchart shown in FIG. 1b connects via the connection point I to the section of the flowchart shown in FIG. 1a, while the section of the flowchart shown in FIG. 1c connects to the section of the flowchart shown in FIG followed.
- the blocks 1 to 17 shown in FIGS. 1 a to 1 c are assigned the functions that result from the following table:
- the route guidance begins in block 1.
- block 2 is checked whether a predetermined traffic-flow-induced event in the form of 'it's traffic flow disturbance occurred one. If this is not the case, go back to block 1. versa.
- a predetermined traffic flow-induced event in the form of a traffic flow disruption has occurred, the process branches to block 3, in which it is checked whether the traffic flow disruption has been identified on the basis of traffic flow data generated in the vehicle. If this is the case, the route request data are supplemented by the traffic flow data generated in the vehicle. Otherwise, a branch is made to block 4, in which it is checked whether the traffic flow disruption is significant for the originally planned route.
- the process branches to block 8, in which the route guidance is continued on the basis of the original route data.
- the process branches to block 6.
- the route request data is supplemented by blocked route sections.
- the route request data are then transmitted in block 7 to at least one center, the route request data also containing the original route data.
- FIG. 1b which adjoins FIG. 1 a at the connection point I, shows the section of the method according to the invention that runs in a control center.
- block 9 there is first an update of traffic flow data stored in a traffic flow database 10.
- block 11 it is checked whether the route data include traffic flow data generated in the vehicle. If this is the case, the process branches to block 12, in which the Traffic flow data generated by the vehicle are subjected to a plausibility check. Subsequently, or if it is determined in block 11 that the route request data does not contain any traffic flow data generated in the vehicle, a branch is made to block 13, in which an alternative route is calculated. The alternative route is calculated on the basis of plausible traffic flow data generated in the vehicle, traffic flow data from the traffic flow database 10 and the digital road maps 14. The block then becomes. 15 branches in which the updated route data are transmitted to the 'vehicle navigation device.
- Figure lc illustrates the state in the vehicle after receiving the updated route data.
- the updated route data are available to the vehicle navigation device, which indicate a route that is optimized with respect to the current traffic situation.
- route guidance begins on the basis of the updated route data.
- a vehicle is equipped with an offboard vehicle navigation device and calculates a route for the route between Hamburg and Kunststoff, in which the current traffic jam reports are implemented by the head office.
- This vehicle arrives near Kassel an accident caused by an accident that was not known at the time the route was calculated. Because of this, the driver operates the "traffic jam advance button" on the vehicle navigation device. Since the end of the traffic jam is not in sight, the driver estimates the length of the traffic jam at "greater than 2km".
- the vehicle navigation device then sends a message in the form of route request data to the head office.
- these route request data also include the traffic jam report, the current road and the estimated road section that must be taken into account in the next route calculation due to the traffic jam report.
- the head office is connected to a traffic data provider, to whom it sends the message that a vehicle has reported a traffic jam on said section of the route.
- the control center now calculates an alternative route on which the vehicle can avoid the traffic jam and transmits the alternative route to the vehicle in the form of updated route data.
- the traffic jam near Kassel is reported on the radio and is available for navigation by means of a corresponding TMC message.
- the vehicle navigation device checks the traffic flow data obtained from the TMC message and comes to the conclusion that it is a traffic disruption that is significant for the originally planned route. Then a request, in the form of route request data, transmitted to the head office after an alternative route.
- the route request data also include the received TMC message. Because it is in the TMC message is an authenticated message, the current storage database is synchronized at headquarters with the current message. The control center now calculates an alternative route for the vehicle and transmits it in the form of updated route data.
- the vehicle has an FCD-compatible system component in which intelligent algorithms analyze the driving profile. Based on the driving profile, the FCD algorithm determines that the vehicle is stuck in traffic and requests a new route from the control center by transmitting route request data.
- the route request data include, in the form of corresponding traffic flow data, additional information about the recognized traffic condition, so that a better alternative can be calculated at the head office.
- the plausibility of the traffic flow data transmitted by the vehicle or by the vehicle navigation device is checked at the head office and, if necessary, in a
- Traffic flow database saved in order to be able to take these messages into account in route requests from other road users.
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Navigation (AREA)
- Traffic Control Systems (AREA)
- Instructional Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10105449 | 2001-02-07 | ||
DE10105449A DE10105449A1 (en) | 2001-02-07 | 2001-02-07 | Update of route and traffic flow data as well as vehicle navigation device |
PCT/DE2002/000114 WO2002063587A1 (en) | 2001-02-07 | 2002-01-17 | Updating routing and traffic flow data and a vehicle navigation device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1371047A1 true EP1371047A1 (en) | 2003-12-17 |
EP1371047B1 EP1371047B1 (en) | 2010-09-01 |
Family
ID=7673103
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02703494A Expired - Lifetime EP1371047B1 (en) | 2001-02-07 | 2002-01-17 | Updating routing and traffic flow data and a vehicle navigation device |
Country Status (5)
Country | Link |
---|---|
US (1) | US20040117113A1 (en) |
EP (1) | EP1371047B1 (en) |
JP (1) | JP2004518145A (en) |
DE (2) | DE10105449A1 (en) |
WO (1) | WO2002063587A1 (en) |
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US20100241342A1 (en) * | 2009-03-18 | 2010-09-23 | Ford Global Technologies, Llc | Dynamic traffic assessment and reporting |
US7319931B2 (en) * | 2004-04-06 | 2008-01-15 | Honda Motor Co., Ltd. | Methods for filtering and providing traffic information |
US8606516B2 (en) * | 2004-11-30 | 2013-12-10 | Dash Navigation, Inc. | User interface system and method for a vehicle navigation device |
US20060161335A1 (en) * | 2005-01-14 | 2006-07-20 | Ross Beinhaker | Routing system and method |
JP2007114044A (en) * | 2005-10-20 | 2007-05-10 | Toyota Motor Corp | Traffic congestion information providing/receiving system and method, traffic congestion information providing apparatus, and vehicular traffic congestion information receiving apparatus |
US7668653B2 (en) | 2007-05-31 | 2010-02-23 | Honda Motor Co., Ltd. | System and method for selectively filtering and providing event program information |
US9542843B2 (en) | 2007-08-29 | 2017-01-10 | Continental Teves Ag & Co. Ohg | Personalized updating of digital navigation maps |
US20090207043A1 (en) * | 2008-02-20 | 2009-08-20 | Ford Global Technologies, Inc | Wireless, infrastructureless communication system for vehicles and method for the same |
US20100292916A1 (en) * | 2009-05-13 | 2010-11-18 | Honda Motor Co., Ltd. | Navigation System For a Motor Vehicle |
US20110004523A1 (en) * | 2009-07-06 | 2011-01-06 | Ford Global Technologies, Llc | Method and Apparatus for Preferential Determination and Display of Points of Interest |
US20110098915A1 (en) * | 2009-10-28 | 2011-04-28 | Israel Disatnik | Device, system, and method of dynamic route guidance |
US9737268B1 (en) * | 2010-02-24 | 2017-08-22 | Sprint Communications Company L.P. | Facilitating navigation data updates |
US8423273B2 (en) | 2010-03-30 | 2013-04-16 | Honda Motor Co., Ltd. | Minimum energy route for a motor vehicle |
US8527132B2 (en) | 2010-03-30 | 2013-09-03 | Honda Motor Co., Ltd. | Energy maps and method of making |
US9846046B2 (en) | 2010-07-30 | 2017-12-19 | Ford Global Technologies, Llc | Vehicle navigation method and system |
US8335643B2 (en) | 2010-08-10 | 2012-12-18 | Ford Global Technologies, Llc | Point of interest search, identification, and navigation |
US8521424B2 (en) | 2010-09-29 | 2013-08-27 | Ford Global Technologies, Llc | Advanced map information delivery, processing and updating |
US8849552B2 (en) | 2010-09-29 | 2014-09-30 | Ford Global Technologies, Llc | Advanced map information delivery, processing and updating |
DE102011101359A1 (en) * | 2011-05-12 | 2012-11-15 | GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) | Method and device for the classification of data |
US8688321B2 (en) | 2011-07-11 | 2014-04-01 | Ford Global Technologies, Llc | Traffic density estimation |
US8838385B2 (en) | 2011-12-20 | 2014-09-16 | Ford Global Technologies, Llc | Method and apparatus for vehicle routing |
US9713963B2 (en) | 2013-02-18 | 2017-07-25 | Ford Global Technologies, Llc | Method and apparatus for route completion likelihood display |
US9863777B2 (en) | 2013-02-25 | 2018-01-09 | Ford Global Technologies, Llc | Method and apparatus for automatic estimated time of arrival calculation and provision |
US9047774B2 (en) | 2013-03-12 | 2015-06-02 | Ford Global Technologies, Llc | Method and apparatus for crowd-sourced traffic reporting |
US8977479B2 (en) | 2013-03-12 | 2015-03-10 | Ford Global Technologies, Llc | Method and apparatus for determining traffic conditions |
US9874452B2 (en) | 2013-03-14 | 2018-01-23 | Ford Global Technologies, Llc | Method and apparatus for enhanced driving experience including dynamic POI identification |
DE102014201041A1 (en) * | 2014-01-21 | 2015-07-23 | Bayerische Motoren Werke Aktiengesellschaft | Providing a route in a navigation system of a motor vehicle |
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JPH06119596A (en) * | 1992-10-08 | 1994-04-28 | Fujitsu General Ltd | Ambulance navigation system |
JP3469930B2 (en) * | 1994-02-14 | 2003-11-25 | 株式会社シーエスケイ | Mobile multimedia communication system and mobile |
JPH08136277A (en) * | 1994-11-11 | 1996-05-31 | Sumitomo Electric Ind Ltd | Navigation apparatus with detour course calculating function |
JP3472896B2 (en) * | 1994-12-28 | 2003-12-02 | オムロン株式会社 | Traffic information system |
JPH11183180A (en) * | 1997-12-16 | 1999-07-09 | Mitsubishi Electric Corp | Mobile communication navigation system and fixed station apparatus of this system and mobile apparatus of this system |
US6150961A (en) * | 1998-11-24 | 2000-11-21 | International Business Machines Corporation | Automated traffic mapping |
JP3896728B2 (en) * | 1999-06-23 | 2007-03-22 | トヨタ自動車株式会社 | Portable terminal device and in-vehicle information processing device |
US6480783B1 (en) * | 2000-03-17 | 2002-11-12 | Makor Issues And Rights Ltd. | Real time vehicle guidance and forecasting system under traffic jam conditions |
-
2001
- 2001-02-07 DE DE10105449A patent/DE10105449A1/en not_active Ceased
-
2002
- 2002-01-17 JP JP2002563449A patent/JP2004518145A/en active Pending
- 2002-01-17 DE DE50214625T patent/DE50214625D1/en not_active Expired - Lifetime
- 2002-01-17 EP EP02703494A patent/EP1371047B1/en not_active Expired - Lifetime
- 2002-01-17 WO PCT/DE2002/000114 patent/WO2002063587A1/en active Application Filing
- 2002-01-17 US US10/467,447 patent/US20040117113A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
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See references of WO02063587A1 * |
Also Published As
Publication number | Publication date |
---|---|
US20040117113A1 (en) | 2004-06-17 |
WO2002063587A1 (en) | 2002-08-15 |
DE50214625D1 (en) | 2010-10-14 |
DE10105449A1 (en) | 2002-08-08 |
JP2004518145A (en) | 2004-06-17 |
EP1371047B1 (en) | 2010-09-01 |
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