EP2054867A1 - Verfahren zur fahrtrichtungsabhängigen codierung von verkehrsmeldungen und deren berücksichtigung bei der routenberechnung - Google Patents
Verfahren zur fahrtrichtungsabhängigen codierung von verkehrsmeldungen und deren berücksichtigung bei der routenberechnungInfo
- Publication number
- EP2054867A1 EP2054867A1 EP07787115A EP07787115A EP2054867A1 EP 2054867 A1 EP2054867 A1 EP 2054867A1 EP 07787115 A EP07787115 A EP 07787115A EP 07787115 A EP07787115 A EP 07787115A EP 2054867 A1 EP2054867 A1 EP 2054867A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- road
- information
- traffic
- route
- takes place
- 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 38
- 230000001419 dependent effect Effects 0.000 claims description 6
- 230000000007 visual effect Effects 0.000 claims description 5
- 238000011156 evaluation Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 4
- 230000003068 static effect Effects 0.000 description 3
- 238000007792 addition Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 1
- 239000012535 impurity 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
- G08G1/096805—Systems involving transmission of navigation instructions to the vehicle where the transmitted instructions are used to compute a route
- G08G1/096827—Systems involving transmission of navigation instructions to the vehicle where the transmitted instructions are used to compute a route where the route is computed onboard
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/091—Traffic information broadcasting
- G08G1/092—Coding or decoding of the information
-
- 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
-
- 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
- G08G1/096855—Systems involving transmission of navigation instructions to the vehicle where the output is provided in a suitable form to the driver
- G08G1/096861—Systems involving transmission of navigation instructions to the vehicle where the output is provided in a suitable form to the driver where the immediate route instructions are output to the driver, e.g. arrow signs for next turn
Definitions
- the invention relates to a method for the direction-dependent coding of traffic reports and their consideration in the route calculation.
- the current navigation systems for motor vehicles are based on route calculation and route guidance on a database, the so-called digital map.
- the digital map contains static information for all roads, their direction of travel, the cost of driving through the road, the road class and the road
- Costs here are understood to mean the travel time required for a section of the route or its length, or a cost that can be calculated according to other criteria or a combination of the aforementioned expenditures. Additional information such as the geometric curve, points of interest, graphical information or other information may also be included in the digital map.
- Direction of travel and turn-off relationships are considered in a cost function.
- the chosen option eg "shortest” or “fastest” route
- the driver is then guided according to the calculated route from the navigation device to the destination.
- TMC messages Traffic Message Channel
- TMC messages contain the type of fault.
- TMC event codes are available for this, which determine the type of fault, eg. For example, describe free traffic, slow-moving traffic, congestion or disruption.
- the coded roads in the traffic announcement are mapped onto the streets of the digital map and the static costs of the road are changed with the reported dynamic values according to the nature of the disturbance.
- Dynamic navigation in turn calculates the optimal route to the destination by minimizing the total cost. The driver thus obtains an optimal route taking into account the transmitted TMC traffic reports (for example EP 0 584 310 B1 and DE 195 16 476 A1).
- the faulty roads are coded, for example, by means of TMC location table, location referencing AGORA, TPEG-Loc or other methods.
- the fault extends to each individual segment of a contiguous road (DE 35 36 820 C2).
- the core idea of the invention is to carry out a separation of the traffic flows according to their travel routes within the framework of a coding of a road.
- the road associated with the fault is first encoded, for example with a location-referencing method.
- the road consists of all segments necessary to describe the location of the fault and the corresponding direction of travel.
- the road can, for example, pass over an intersection.
- the road consists of the road that joins the intersection and the road that joins the intersection, taking into account the direction of travel. If there is a separate turning lane or other lanes within the intersection, these may also be part of the road.
- an additional information is added, which states that a traffic message should only be applied if all the referenced segments of the coded road in the order specified in the message are also part of the route.
- the navigation systems can then according to the encoded in the traffic message road train with the associated disorder for the calculation of routes considered.
- the evaluation of the coded road train and the bit takes place in a navigation system.
- the advantage of the invention is therefore to be seen in the fact that additional information, the consideration of the route in the coding of the location of traffic events, such as traffic congestion on intersections, in traffic reports with a - A -
- the traffic event only relates to the driving maneuver indicated in the traffic report (for example right, left, straight ahead) in the intersection, whereas other routes via the same intersection are not affected by the traffic event.
- the route can not be used to distinguish whether, for example, a disturbance on a road segment is relevant as part of a contiguous road.
- An advantageous embodiment of the invention provides that the road is linked to a traffic information.
- a practicable variant of the invention provides that the information about a visual and / or acoustic output takes place. In a visual representation can thereby
- the shield could be used from Germany “straight ahead and right drive” or the shield from Switzerland “turn left prohibited”.
- the information about a display system by turning information or by driving direction-dependent fault messages gem.
- Method step Ib) wherein the information is taken into account in the route calculation.
- the invention provides a navigation device with a digital map, wherein the digital map is set up such that the route calculation and route guidance takes place according to the method according to one of claims 1 to 9.
- Fig. 1 is a flow chart of the method according to the invention.
- FIG. 2 shows a route guidance in the event of a traffic disturbance in the context of the method according to the invention.
- the method 100 shown schematically in FIG. 1 serves for route guidance, in which the position of traffic disruptions is detected only in specific directions of travel.
- the method 100 thereby allows an encoding of the position of a road that is part of a digital map 11, and a separation of the traffic streams according to their routes.
- the method 100 begins with the encoding 22 of, for example, a disordered contiguous road train 12 via an intersection with a location referencing method known in the art.
- the road train 12 consists of all segments that are necessary to describe the location of the fault and the corresponding direction of travel.
- the road consists of a road that joins the intersection and a road that adjoins the intersection, taking into account the direction of travel. If a separate turn-off road exists, then this part of the road 12 may be.
- This is followed by an addition 14 of additional digital information, which states that this traffic message is to be applied only if all the referenced segments of the coded road train 13 are also part of the route in the correct order. To encode this information, one bit is sufficient.
- the message 15 of the coded road train then takes place via a traffic report.
- a navigation system 10 for vehicles can then according to those in the
- the information may be provided by appropriate turn information or direction of travel Fault messages are displayed.
- the decoding of the coded road and evaluation of the digital information is carried out in a navigation device.
- a general intersection 20 is shown.
- the intersections of the intersection of streets 16 to 18 and from street 17 to 19 and in the opposite direction are undisturbed.
- the turning maneuver (hatched area) from road 17 to 18 and from road 18 to 19 is e.g. B. due to construction sites 21 and 23 disturbed.
- the coding methods eg TMC location, table, location referencing AGORA, TPEG-Loc
- the traffic disruption which refers only to the turning maneuver from road 17 to 18, can not be coded with previous methods, since no separate turn lane or turn lane can be specified for the coding and thus can not be differentiated from the location referencing method, whether the fault only the right-turning vehicles or even the straight-ahead vehicles.
- the turning maneuver from road 18 to 19 would be partially codable with the AGORA location referencing method because there is a dedicated lane for the right turn at the intersection.
- the implementation of the fault depends on the digital map, whether this lane is also present in the map as a separate train. This can not be assumed.
- the digital map whether this lane is also present in the map as a separate train. This can not be assumed.
- the coding of the disturbed route is carried out according to the previous location-referencing so that the road in the direction of travel, consisting of the contiguous segments of the road 18 and the road 19 is coded and then inserting additional information (one bit), paying attention to the following:
- the bit is not set: consideration of the location of the fault as before
- the bit is set: viewing the error only as a coherent maneuver
- the information about the route of the fault can be taken into account via the intersection in the route calculation.
- the output to the maps can be made by displaying country-typical traffic signs. For example, the sign from Germany could "straight and right drive" and the sign from the
- the disturbance may be described by: "From the x-road to a y-road, the driveway (due to a construction site) is disturbed.” If both road names are identical, the fault could be described by "The passage of the r-road over the intersection (with the adjacent s-road / over the m-square) is disturbed / blocked”. To name the direction of the disturbance in the intersection, additions can be made: “in the direction of an o-road” or “in the direction of a place” or “in the nosw-direction", where nosw indicates a compass direction.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Navigation (AREA)
- Instructional Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006038845A DE102006038845A1 (de) | 2006-08-18 | 2006-08-18 | Verfahren zur fahrtrichtungsabhängigen Codierung von Verkehrsmeldungen und deren Berücksichtigung bei der Routenberechnung |
PCT/EP2007/056825 WO2008019909A1 (de) | 2006-08-18 | 2007-07-05 | Verfahren zur fahrtrichtungsabhängigen codierung von verkehrsmeldungen und deren berücksichtigung bei der routenberechnung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2054867A1 true EP2054867A1 (de) | 2009-05-06 |
EP2054867B1 EP2054867B1 (de) | 2009-12-09 |
Family
ID=38481537
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07787115A Active EP2054867B1 (de) | 2006-08-18 | 2007-07-05 | Verfahren zur fahrtrichtungsabhängigen codierung von verkehrsmeldungen und deren berücksichtigung bei der routenberechnung |
Country Status (6)
Country | Link |
---|---|
US (1) | US20100017120A1 (de) |
EP (1) | EP2054867B1 (de) |
JP (1) | JP2010501079A (de) |
DE (2) | DE102006038845A1 (de) |
ES (1) | ES2336851T3 (de) |
WO (1) | WO2008019909A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005050575A1 (de) * | 2005-10-21 | 2007-04-26 | Robert Bosch Gmbh | Verfahren zur Codierung von Verkehrsstörungen und Berechnung einer Route |
EP2391038A1 (de) * | 2010-05-28 | 2011-11-30 | Harman Becker Automotive Systems GmbH | Client-Vorrichtung für Verkehrsinformation |
US10319607B2 (en) * | 2014-08-22 | 2019-06-11 | Taiwan Semiconductor Manufacturing Company, Ltd. | Package-on-package structure with organic interposer |
US11860634B2 (en) * | 2019-12-12 | 2024-01-02 | Baidu Usa Llc | Lane-attention: predicting vehicles' moving trajectories by learning their attention over lanes |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5095532A (en) * | 1989-12-29 | 1992-03-10 | Robert Bosch Gmbh | Method and apparatus for route-selective reproduction of broadcast traffic announcements |
US6438561B1 (en) * | 1998-11-19 | 2002-08-20 | Navigation Technologies Corp. | Method and system for using real-time traffic broadcasts with navigation systems |
DE19933970A1 (de) * | 1999-07-20 | 2001-01-25 | Bosch Gmbh Robert | Verfahren zur Codierung straßenübergreifender Verkehrsbehinderungen |
DE10038765A1 (de) * | 2000-08-09 | 2002-02-21 | Bosch Gmbh Robert | Verfahren zur Übertragung von digital codierten Verkehrsnachrichten |
US6741932B1 (en) * | 2002-04-16 | 2004-05-25 | Navigation Technologies Corp. | Method and system for using real-time traffic broadcasts with navigation systems |
JP2004020195A (ja) * | 2002-06-12 | 2004-01-22 | Denso Corp | 車両用案内装置 |
JP4486520B2 (ja) * | 2005-02-03 | 2010-06-23 | クラリオン株式会社 | ナビゲーション装置 |
-
2006
- 2006-08-18 DE DE102006038845A patent/DE102006038845A1/de not_active Withdrawn
-
2007
- 2007-07-05 WO PCT/EP2007/056825 patent/WO2008019909A1/de active Application Filing
- 2007-07-05 EP EP07787115A patent/EP2054867B1/de active Active
- 2007-07-05 DE DE502007002292T patent/DE502007002292D1/de active Active
- 2007-07-05 US US12/308,183 patent/US20100017120A1/en not_active Abandoned
- 2007-07-05 JP JP2009524983A patent/JP2010501079A/ja active Pending
- 2007-07-05 ES ES07787115T patent/ES2336851T3/es active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2008019909A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE102006038845A1 (de) | 2008-02-21 |
JP2010501079A (ja) | 2010-01-14 |
WO2008019909A1 (de) | 2008-02-21 |
ES2336851T3 (es) | 2010-04-16 |
US20100017120A1 (en) | 2010-01-21 |
EP2054867B1 (de) | 2009-12-09 |
DE502007002292D1 (de) | 2010-01-21 |
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