EP3005334A2 - System for determining traffic information - Google Patents

System for determining traffic information

Info

Publication number
EP3005334A2
EP3005334A2 EP20140759117 EP14759117A EP3005334A2 EP 3005334 A2 EP3005334 A2 EP 3005334A2 EP 20140759117 EP20140759117 EP 20140759117 EP 14759117 A EP14759117 A EP 14759117A EP 3005334 A2 EP3005334 A2 EP 3005334A2
Authority
EP
Grant status
Application
Patent type
Prior art keywords
reference
position
vehicle
road
line
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.)
Pending
Application number
EP20140759117
Other languages
German (de)
French (fr)
Inventor
Peter Aicher
Wilke REINTS
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/01Detecting movement of traffic to be counted or controlled
    • G08G1/0104Measuring and analyzing of parameters relative to traffic conditions
    • G08G1/0125Traffic data processing
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07BTICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B15/00Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points
    • G07B15/06Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/01Detecting movement of traffic to be counted or controlled
    • G08G1/0104Measuring and analyzing of parameters relative to traffic conditions
    • G08G1/0137Measuring and analyzing of parameters relative to traffic conditions for specific applications
    • G08G1/0141Measuring and analyzing of parameters relative to traffic conditions for specific applications for traffic information dissemination
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/07Controlling traffic signals
    • G08G1/087Override of traffic control, e.g. by signal transmitted by an emergency vehicle
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/123Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams
    • G08G1/127Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams to a central station ; Indicators in a central station
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/20Monitoring the location of vehicles belonging to a group, e.g. fleet of vehicles, countable or determined number of vehicles

Abstract

The invention relates to a system for determining traffic information. Said system comprises a terminal (1) which is carried along in a vehicle (V), said terminal having a position determination device for determining the position (P) of the vehicle (V) in a road network, a storage device for storing reference positions (R) defined by the location coordinates, and a processing device which works together with the position determining device and the storage device. Said processing device is designed to compare a specific position of the vehicle (P) with stored reference positions (R) in order to determine whether the vehicle (V) has passed a reference position (R). According to the invention, a reference position (R) is defined by a safety line (L) extending through the location coordinates thereof, said processing device is designed to determine whether the vehicle (V) has traversed a safety line (L) and to evaluate the traversing of a determined safety line as the vehicle passes the reference position (R) defined by the safety line (L). As a result, a system which can determine a position in a simple and reliable manner, also in an inner-city road network, is provided.

Description

description

System for detecting traffic information The invention relates to a system for determining traffic information according to the preamble of claim 1.

Basis of a plurality of traffic information is a position determination of vehicles within a road network. While, at what times ¬ score has happened predetermined positions on the road network a particular vehicle of particular interest. For this purpose, in interest vehicles, mobile or fixed terminals are carried, having a position determining means. Common here is a receiver module for satellite signals of a global satellite-based navigation system, such as the US NAVSTAR GPS, the Russian GLONASS or the European Galileo system. On the basis of the satellite signals, the terminals Posi ¬ tion and thereby the position of a vehicle, the terminal mitführenden vehicle can be determined cyclically, for example every second. Is in the terminal, an electronic map available, the specific driving ¬ imaging position can be set in relation to the map. Carrying and updating electronic maps is complex and the continued respect of a vehicle position to a map for many applications of interest also unnecessary. It is sufficient if the position coordinates of the actual positions of interest are stored in a road network as reference positions in a memory device of the terminal. Cooperating with the position determining device and the storage device processing means may then have a currently determined vehicle position with stored Referenzpo- sitions compare. You can thus determine whether the vehicle has passed one of the reference positions. To trap measuring and driving inaccuracies, is placed around the reference position as a capture circuit tolerance range, wherein the reference position is regarded as passed by a vehicle when it has traveled the capture circuit.

From the published patent application DE 10 2006 002 376 Al an apparatus for through traffic detection is having a

Vehicle built-known terminal. The terminal has a positioning system and a computer unit with SpeI ¬ cher. The computer unit is designed such that it recognizes on the basis of a position of the vehicle in and out of a predetermined area. For this purpose the coordinates of the entry and exit points are preferably stored as geo-coordinates in the memory. The currently determined position is compared in each case with the stored in the memory positions of the input and exit points. Corresponds to the measured position of an entry point or is in the position of a fishing circle around the entry point, a timer is started, which receives the time to reach an exit point. The patent application DE 102 05 453 AI discloses a posi ¬ tion process intended for a traffic fee-collection system. By means of a detection unit provided in the vehicle, the position of the vehicle is determined and compared to defi ned ¬ reference points on a route. The re ference points have tolerance ranges with different

Dimensions, so that the reference points can be better adapted to the lo ¬ cal events. At adjacent reference points in the range of branches or the like, a deviation can be determined and taken with a smaller tolerance range a decision with a larger tolerance range. In support, the travel history including waveforms used for more precise differentiation. If the vehicle is on a ver ¬ periodic fee route, for example, on a highway, as changes are made of transport charges in response to the distance traveled in a computing and accounting unit. Assuming an inaccuracy of the position determination by means of GPS from about 5 m to 10 m, a trafficable road width in the crossing area of ​​about 5 m and a adventitious by every second calculating the terminal position dubbing for examples GPS delay, so in diameter need of fishing circles least 15 m amounted to 20 m or more. This accuracy is usually sufficient for applications in the regional road network in the inner city with its dense road network, this may partially over- lobes of fishing circles out particularly at intersections. Limited to a diameter of the capture circle, be ¬ is but the danger that a vehicle catching circle leaves at ¬ and the reference position is considered to be not happening.

The invention is therefore based on the object to provide a generic ¬ invention system, which allows a simple and si ¬ chere positioning in an urban road network.

The object is inventively achieved by a system of the aforementioned type, with the features specified in the characterizing part of patent claim 1. Accordingly, a system for determining traffic information includes entrained in a vehicle terminal. The terminal has a Posi ¬ tion determining means for determining a vehicle position of the vehicle in a road network, a storage device for storing defined by spatial coordinates reference positions, and timmungseinrichtung with the Positionsbes- and the storage means cooperating processing means. The processor is configured to compare a particular vehicle position with stored reference positions to determine if the vehicle has passed one of the reference positions. According to the invention, a reference position is defined by a line passing through the position coordinates fishing line. In this case, the processing means is adapted ¬ festzu, whether the vehicle has traversed a fishing line and to be considered a detected Fanglinientraversierung as Fahrzeugpassa ¬ ge the reference position defined by the snap line. By moving away of the long usual kreisflä- chenförmigen tolerance ranges of reference positions towards invention linear tolerance ranges allows a clear separation and recognition of even closely spaced reference points as they occur in an urban road network, in particular in crossing regions. In this way can take place positioning in such road networks with greater certainty of detection of vehicle passage on Refe ¬ ence positions.

In an advantageous embodiment of the system according to the invention, the fishing line is defined by an associated at the reference position of the road reference direction for vehicles and transverse to this. The position determining means is arranged to determine the direction of travel of the vehicle. The processing means is adapted to compare a case of an observed Fanglinientraver- tion certain direction of the vehicle with stored reference directions. In particular, at very closely spaced reference positions of the comparison of the measured from the position determining means the direction of travel, the polygon to be connected from the direction of past vehicle locations obtained, with the vomit ¬ cherten reference direction as an additional decision ¬ criterion for determining a Fanglinientraversierung. Serves In particular a passage of the reference position can be ruled out despite the proven Fanglinientraversie ¬ tion by a vehicle when the fishing line was run over by a vehicle in a strongly deviating from the reference direction direction. Preferably, the Fangli ¬ never is perpendicular to the reference direction of travel. In a preferred embodiment of the system according to the invention, the fishing line is defined by an associated at the reference position of the road fishing line length. The length of the fishing line can be adjusted separately to the width of the lane, the lane or the road on each reference position. If the reference position centered in road building, its location coordinates can be used as a base for the fishing line to join the two sides of equal length fishing line segments. It is sufficient to store them as defi ¬ nierendes feature of the reference position the fishing line length.

In an advantageous embodiment of the inventive system, the terminal upon detection of a passage of a Referenzpo ¬ sition by the vehicle a the location coordinates, a passage time and an identification data of the terminal includes a cooperating with the Verarbeitungsein ¬ direction signaling device which is to be formed ¬, having message issue. Messages are only but generated automatically when a vehicle has passed a reference position. A continuous transmission of polling of vehicle ¬ sitions is thereby avoided, but can also be carried out in special cases. The messages can be used for further processing are passed to a running on the terminal application program. Alternatively, the messages can be passed, for example wirelessly to another vehicle device or directly to an additional application in the terminal for Wei ¬ terverarbeitung.

Preferably, the inventive system comprises a associated with the road network traffic control center to Weiterverarbei ¬ processing of messages, the terminal comprising a communication device for wireless transfer of issued ¬ relating to the traffic center.

In a preferred embodiment of the system according to the invention stored reference positions in the storing means message attributes including type and / or addressed satellite and / or content and / or cycle of a message to be issued, allocated. Preferably, the reference positions in an inventive system from the traffic control center by means of the communication means in the storage means of the terminal addable or erasable or its defining characteristics and reporting attributes can be changed. As reference positions can be programmed to change dynamically, for example with a temporary validity.

In further advantageous embodiments of the erfindungsge- MAESSEN system, the traffic control center is provided as a toll center for

formed levy road usage fees in the road network, in which toll road sections are assigned reference positions. The traffic control center can also be embodied as traffic management center for determining travel times of the road network, where end points of road sections are assigned reference positions. The traffic control center can be short public transport, designed as a control center for special ¬ vehicles, such as emergency vehicles and vehicles of public transport, to prioritize these in light signal controlled intersections of the road network, where access roads are assigned to nodes of reference positions. With passage of Refe ¬ ence points enable signal requirements of special vehicles are triggered directly by the traffic computer traffic control center. The traffic control center can also serve as the control center for public transport

Vehicles be designed for controlling passenger information devices, said roads between locations of the vehicles are assigned reference positions. The traffic computer transmits only the estimated remaining driving times of public transport vehicles of reference points to the next stop. Similarly, messages can be sent from a traffic control center cyclically to the devices that are displayed in the vehicle by the terminal only when crossing a reference position. For example, have a look in this way virtual traffic signs on predefined reference positions. This respect, the system is also designed to display or output of traffic information, in particular to position-dependent output of Verkerhsinformationen. Further characteristics and advantages of the system according to the invention will become apparent from the following description of an embodiment with reference to the drawings, the single figure of a road section with an inventively defi ned ¬ reference point is illustrated schematically.

In the figure, a system for determining traffic information includes in a vehicle V entrained terminal 1 and associated with the road network used by the vehicle V traffic control center 2. The terminal 1 comprises an input device for determining a vehicle position P of the vehicle V in the road network, for example, on the displayed lane S. from the vector connecting two successively certain vehicle positions P results in a traveling direction D of the vehicle V.

The terminal 1 includes a storage device, are stored in the Re ference positions ¬ R relevant to traffic information of the road network. The reference Posi tion ¬ R is defined by a straight fishing line L through the position coordinates of the reference position R, and is transverse to the roadway S. It has a fishing line length LL, which juts beid ¬ other on the road south. In addition, homing direction LD is the fishing line L ¬ assigned by one of the reference position R defined, which represents a predetermined by the transport guide at the reference position R direction of movement and is, for example perpendicular to the fishing line L. Means a processing device is determined whether the vehicle V traverses the fishing line L and under which Traversierwinkel the fishing line L has been passed. To this end, the determined vehicle position P to be compared with the position and length of the fishing line L. In addition, the direction of travel D is compared with the fishing line beam with the reference run ¬ direction LD. Is definable comparison accuracies found that the fishing line L was crossed in homing direction LD in compliance, provides the processed fixed beitungseinheit that the vehicle V Referenzpositi ¬ on R has passed.

In this case, a signaling device of the terminal 1 ei ¬ ne message M on location coordinates and time of the vehicle's passage from. Optionally, the message M also contains an identification data of the terminal 1, so that a series of messages M can be assigned to the issuing terminal equipment. 1 By means of a communication device of the terminal 1 is wirelessly rale at the Verkehrszent- the published message M over 2 days for further processing. In the memory means certain reporting attributes can be assigned to the reference position R, such as the type and / or the ad ¬ ressaten and / or the content and / or the cycle of a message to be issued M. Conversely, by the traffic control center 2 of means of the communication means in the storage means of the terminal 1 reference positions R addable or erasable or alterable whose defining characteristics and Meldeat ¬ tribute. The advantage of the inventive system is that a position determination by a mobile terminal 1 at predefined reference points R can be carried out without using a digital road map by means of a very simple to be generated definition of a reference object. The expression as fishing line L combined with associated Re ¬ reference travel direction LD and fishing line length LL enables more accurate than previous methods and secure detection of the reaching or the passage of a defined reference position P. It must the actual Ortskoordina ¬ te the reference position R are not reached exactly , Unlike fishing circles with a broad circular area homing direction LD on a fishing line L is unique. The fishing line length LL can be adapted to local conditions reasonable. The problem of overlapping of adjacent reference objects is significantly reduced in fishing lines compared to catching circles. The position detection method also optimizes the temporal behavior in the terminal 1 in the detection of a reference position R. By using additional signaling attributes for reference positions R a universal method is described, the mobile both for use in a traffic control center 2 as well as in the same or another suitable terminal.

Claims

claims
1. System for determining traffic information, comprising in a vehicle (V) entrained terminal (1) with a position determining means for determining a vehicle position (P) of the vehicle (V) in a road network, having storage means for storing defined by spatial coordinates reference positions comparing (R) and with a co-operating position determining means and the Speichereinrich- tung processing means which is adapted to a specific vehicle position (P) with ge ¬ stored reference position (R) to determine whether the vehicle (V) a the reference position has passed (R), characterized in that a Referenzposi- tion (R) by passing through the position coordinates fishing line (L) is defined, wherein the Verarbeitungseinrich ¬ processing is configured to determine whether the vehicle (V) a fishing line (L) has traversed, and a detected Fanglinientraversierun g reference position defined as a vehicle of the passage through the fishing line (L) (R) to be seen.
2. System according to claim 1, wherein said fishing line (L) by at the reference position (R) of the track (S) associated with the reference direction (LD) for vehicles (V) is defined and is transverse to this, wherein the position determining means for determining the direction of travel (D) of the vehicle (V) is formed, and wherein the processing means is adapted to a particular if it is found Fangli ¬ nientraversierung direction of travel (D) of the vehicle (V) with stored reference directions (LD) to compare.
3. System according to claim 1 or 2, wherein the fishing line (L) by at the reference position (R) of the track (S) is defined to-parent fishing line length (LL).
4. according to any one of claims 1 to 3, wherein the Endge ¬ advises (1) comprises a zusammenwirken- to the processing means de reporting device system, which is adapted to detect a passage of a reference position (R) by the vehicle (V) a the location coordinates, a passage time ¬ point and an identification data of the terminal (1) aufwei- send message (M) to be output.
5. System according to claim 4, comprising a dedicated road network traffic control center (2) for further processing of messages (M), wherein the terminal (1) has a Kommunikationsein- device for wireless transfer of issued messages (M) to the traffic control center (2).
6. System according to one of claims 1 to 5, wherein data stored in said memory means reference positions (R) Mel deattribute comprising type and / or addressee and / or content and / or cycle of a message to be issued (M), are associated.
7. The system of claim 6, wherein the traffic control center (2) in the memory means of the terminal by means of the communication device (1) reference position (R) the defining characteristics and signaling ¬ attribute are addable or erasable or alterable.
8. System according to any one of claims 5 to 7, wherein said Ver ¬ traffic control center (2) times as a toll center for the collection of roads ¬ usage fees in the road network, in which toll road sections reference positions (R) are associated with, or as a traffic management control center for the determination of travel in road network, where end points of road sections are reference positions associated with (R), or as a control center for special vehicles (V) to the prioritization of light signal controlled intersections of the road network, said access roads to nodes reference positions (R) are associated with, or as a control center for vehicles (V) of public areas ¬ chen passenger traffic for the control of passenger Informa ¬ tion means, said connecting roads between locations of the vehicles are reference positions (R) is assigned.
EP20140759117 2013-08-23 2014-08-20 System for determining traffic information Pending EP3005334A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE102013216867 2013-08-23
DE102013219113 2013-09-24
PCT/EP2014/067734 WO2015024964A3 (en) 2013-08-23 2014-08-20 System for determining traffic information

Publications (1)

Publication Number Publication Date
EP3005334A2 true true EP3005334A2 (en) 2016-04-13

Family

ID=51492292

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20140759117 Pending EP3005334A2 (en) 2013-08-23 2014-08-20 System for determining traffic information

Country Status (3)

Country Link
US (1) US9741246B2 (en)
EP (1) EP3005334A2 (en)
WO (1) WO2015024964A3 (en)

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DE19908869A1 (en) * 1999-03-01 2000-09-07 Nokia Mobile Phones Ltd A method for outputting traffic information in a motor vehicle
US6336075B1 (en) * 2000-03-10 2002-01-01 Rotis Inc. Apparatus and method for guiding a vehicle
DE10205453A1 (en) * 2002-02-08 2003-08-28 Albert Renftle Positioning method for a traffic fee-collection system
DE10304465A1 (en) 2002-10-28 2004-05-13 Sin Etke Technology Co., Ltd. Vehicle Management System
DE102006002376A1 (en) * 2006-01-17 2007-07-19 Robert Bosch Gmbh Method and apparatus for detecting through traffic
DE102007000390B4 (en) * 2007-07-19 2009-04-02 Signalbau Huber Gmbh Device and method for the determination of position correction information in the field of a traffic signal system
US20120215594A1 (en) 2011-02-18 2012-08-23 Amtech Systems, LLC System and method for gps lane and toll determination and asset position matching
JP5741363B2 (en) * 2011-10-14 2015-07-01 株式会社デンソー Traveling support device

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Also Published As

Publication number Publication date Type
WO2015024964A2 (en) 2015-02-26 application
US9741246B2 (en) 2017-08-22 grant
US20160203714A1 (en) 2016-07-14 application
WO2015024964A3 (en) 2015-05-07 application

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