EP0029201A1 - Procédé pour la mesure des trafic routier dans un système de guidage et d'information pour le trafic individuel - Google Patents

Procédé pour la mesure des trafic routier dans un système de guidage et d'information pour le trafic individuel Download PDF

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Publication number
EP0029201A1
EP0029201A1 EP80106940A EP80106940A EP0029201A1 EP 0029201 A1 EP0029201 A1 EP 0029201A1 EP 80106940 A EP80106940 A EP 80106940A EP 80106940 A EP80106940 A EP 80106940A EP 0029201 A1 EP0029201 A1 EP 0029201A1
Authority
EP
European Patent Office
Prior art keywords
beacon
vehicles
vehicle
guidance
transmitted
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
Application number
EP80106940A
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German (de)
English (en)
Other versions
EP0029201B1 (fr
Inventor
Romuald Dipl.-Ing. Von Tomkewitsch
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
Application filed by Siemens AG filed Critical Siemens AG
Priority to AT80106940T priority Critical patent/ATE12149T1/de
Publication of EP0029201A1 publication Critical patent/EP0029201A1/fr
Application granted granted Critical
Publication of EP0029201B1 publication Critical patent/EP0029201B1/fr
Expired legal-status Critical Current

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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
    • G08G1/096822—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 segments of the route are transmitted to the vehicle at different locations and times
    • 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 invention relates to a method for recording traffic in a guidance and information system for individual traffic, with stationary beacons arranged in the area of the carriageways, which transmit guidance information and location information about their location to the passing vehicles, each with a destination in the individual vehicles are specified and certain guidance recommendations are selected in accordance with this destination, in particular according to the patent (P 29 23 634.8), the destination data being transmitted from the vehicle to the beacon and evaluated in order to obtain data on the general traffic situation.
  • the main patent describes a guidance and information system in which the guidance information of the individual guidance beacons. radiations for all possible destinations are radiated to all passing vehicles. The selection of apply to a particular destination The recommendations are made in the vehicle.
  • This has the advantage over other known systems that only one-way transmission, namely from the guide beacons to the vehicles, is required for pure route guidance.
  • the destination is first passed from the vehicle to the beacon, that the associated information is then selected there and transmitted to the vehicle. The information is transmitted there in a dialog between the beacons and each individual vehicle.
  • the object of the invention is to provide a measurement method for traffic detection, with which the traffic situation can be detected and evaluated quickly and safely over an entire route.
  • this is done using a guide and. Information system, in particular according to the main patent, solved in that the address of the guide beacon and a start command for a time measuring device provided in the vehicle are transmitted from the individual beacons to the passing vehicles, that the time command device is started with the start command and that to the the following guiding beacon, the measured travel time together with the address of the preceding guiding beacon and the guidance recommendations received there,
  • the vehicles themselves are used as measurement objects and. Disk used.
  • a vehicle arrives at a beacon, it is queried and provides reliable information about the actual travel time.
  • the measured travel times of a larger number of vehicles can be from this the sales very well.
  • the guide beacons will be located at a greater distance from each other.
  • the distances between them can be described as a series of path vectors.
  • the beacons give guidance recommendations in the form of a chain of guidance vectors to the vehicles.
  • the travel times in the vehicle it is also expedient for the travel times in the vehicle to be measured individually between the individual guide points of a guide vector chain, stored in the vehicle and transmitted to the following guide beacon together with the data of the guide vector chain. This makes it possible to record the traffic situation more accurately, even in the case of large ones Distances between the beacons possible.
  • a vehicle FZ1 approaches the intersection K1 and receives the guidance recommendation from the beacon LB1 to use the route to the intersection K2 described by the guidance points LP1, LP2 to LP5.
  • the vehicle device in vehicle FZ1 measures the respective travel times between the mentioned control points LP1 to LP5.
  • the beacon LB2 receives another guidance recommendation telegram for the next section of the route. Simultaneously with this telegram. the vehicle device, however, is asked to transmit the measuring beacon MB2 (combined with the beacon LB2), among other things, the measured travel times of the preceding route sections.
  • the vehicle FZ3 approaches the Intersection K1. It is assumed here that this vehicle FZ3 still receives the same guidance recommendation as the vehicle FZ1, that is to say the guidance vectors via the guidance points LP1, LP2 to LP5. However, this vehicle deviates from the recommended route at control point LP3 because, for example, a police officer makes a detour at location A because of an accident. The vehicle FZ3 therefore does not reach the intersection K2, but via the point P7 to the intersection K3 and reports to the measuring beacon MB3 there that it has left the recommended route at the control point LP3. If many more redirected vehicles arrive at the beacon MB3, a corresponding message is sent to the higher-level control computer LR.
  • the travel time ' is determined in the computer area CF22 with the aid of the timer 26, which was required for driving through the distance described for a specific guidance vector LV.
  • This travel time t is stored in the memory area SB24 for each guide vector.
  • any idle times "h" for example in front of traffic light systems, are measured with the aid of the timer 26 and the displacement measuring device 25 'and are also stored in the memory area SB24.
  • the values t, h and a are therefore stored in the memory area SB24; in such a way that they can be uniquely assigned to the guidance vectors LV or the guidance points LP (in the memory area SB21).
  • the empirical values t, h and a are transmitted in connection with the address of the source beacon, the vector chain and the guidance points or vectors at the next beacon via the transmitting device 27.
  • the receiving devices 31 of the beacons receive the data telegrams of all passing vehicles.
  • the telegrams are checked and processed for transmission errors in the functional area CF31 of the beacon computer 32 in a manner not shown in detail.
  • the beacon computer takes the transmitted empirical values t, h and a from these telegrams (see description for Fig. 3) and transfers them to the CF32 functional area.
  • the number z of vehicles per time interval from which data is received is counted in this area CF32. Furthermore, the moving averages t , and a the empirical values t, h and a are calculated. These values are stored in the memory area SB31 of the memory 33, specifically the respective origin beacon LB with the associated address, for example LB "1", the used guide vector chain VK with its address, for example "1” or "2” and the control points LP1, LP2 etc. assigned.
  • the reference values z * , t * , h * and a * determined for example by traffic engineers for the above-mentioned variables z, t, h and a are stored according to the same order principle.
  • the beacon computer 32 now checks its functionality. area CF33, how far the number of vehicles z from which empirical values have been received,. and the average empirical values for the reference values *, t *, h * and a * approaching or these überschreiten.Abblingig of these relationships calculated Leitbakencomputer 32 in the functional area CF34, as examples' game, the distribution of over the guidance point LPO (Beacon LB1 ) approaching traffic should be made on the various possible routes. In the calculation of the distribution values, which is not shown in any more detail, the average travel times t, the average stop times h, but also the exceedances of the predetermined alarm reference values a * are used for each route section.
  • the leading vector chain comprises the route between the control points LP1, LP2, LP3, LP4, LP5 and LP8,
  • the guide vector chain with the address "2" comprises the route between the control points LP1, LP6, LP5 and LP8.
  • the functional area CF35 of the computer 32 compiles the data telegram for the transmission of the distribution values including the associated addressing to all vehicles that are approaching the beacon LB2. This telegram is transmitted via the transmission device 34.
  • a corresponding data telegram for the transmission of the distribution and alarm values to a higher-level master computer is put together. This data telegram is transmitted via the transmission device 35.
  • FIG. 5 shows the additional devices in the vehicle that are required for the retransmission of the distribution values.
  • the receiving devices 21 of all vehicles passing a beacon e.g. LB2 in FIG. 1 receive data telegrams which are checked and processed for transmission errors by the on-board computer 22 in its area CF21 in a manner not shown in detail.
  • the tables with the distribution values extracted from these telegrams are stored in the memory area SB41 of the memory 23.
  • the functional unit CF25 can delete all distribution value data that are intended for other beacons in the memory area SB41 and overwrite the data for the next target beacon in the memory area SB42.
  • vehicle FZ2 in FIG. 1 only the distribution values for the beacons with the address "1" are adopted, the distribution values for other beacons are deleted or overwritten at the next beacon.
  • the data in the memory area SB42 are called up again by the on-board computer 22, inserted in the data message for the beacon in the area CF24 and transmitted together with the experience data (see description of FIG. 3) to the beacon.
  • FIG. 6 shows the additional devices in the beacons which are used to process the distribution values in the beacons.
  • the receiving device 31 of the beacon eg beacon LB1 in FIG. 1 receives the data telegrams of all passing vehicles.
  • the telegrams are checked and processed for transmission errors in the functional area CF31 of the beacon computer 32 in a manner not shown.
  • the distribution values (percentages in FIG. 4) are transferred to the functional area CF31a. There it is checked whether the distribution values are still up to date. If the travel times t of the delivering vehicle, in the example the travel time of the vehicle FZ2 from, the beacon LB2 to the beacon LB1, far above the relevant mean values t the transferred data are out of date.
  • the current average value is formed from current distribution values and stored in the memory area SB35.
  • An updated overview of the desired traffic flow distribution between alternative routes to all neighboring beacons can therefore be found in this memory area.
  • this is a distribution between the vector chains VK1 and VK2 of 75% and 25%.
  • three alternative routes can be used, for example, for alternative routes to a beacon LBJ, not shown. to which the traffic should be distributed according to the ratio 60% (route ij) to 30% (route ik) to 10% (route. route il).
  • the traffic to a beacon LBF also not shown, could be distributed over the routes fg with 20%, the route fh with 30%, the route fk with 50% and the route fj with 0%.
  • the functional area CF37 of the beacon computer 32 has the task of using a timer 36 to distribute the traffic flows over the alternative travel routes as indicated by the distribution values (%). This happens e.g. in that the guide vector chain VK1 is written into the memory area SB36 at 75 out of 100 time intervals in order to reach the guide beacon LB2. Thereafter, the master vector chain VK2 would be in this memory area for 25 time intervals. The same applies to the alternative routes to all other neighboring beacons.
  • the functional unit CF36 of the beacon computer 32 compiles the data telegrams for the vehicles in accordance with the regulation stored in the memory area SB36.
  • the control point coordinates (x, y) of that vector chain are now transmitted to the vehicles via the transmission device which are currently listed in the memory area SB36 are.

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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)
  • Traffic Control Systems (AREA)
EP80106940A 1979-11-13 1980-11-10 Procédé pour la mesure des trafic routier dans un système de guidage et d'information pour le trafic individuel Expired EP0029201B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT80106940T ATE12149T1 (de) 1979-11-13 1980-11-10 Verfahren zur verkehrserfassung in einem leitund informationssystem fuer den individualverkehr.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2945852 1979-11-13
DE19792945852 DE2945852A1 (de) 1979-11-13 1979-11-13 Verfahren zur verkehrserfassung in einem leit- und informationssystem fuer den individualverkehr

Publications (2)

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EP0029201A1 true EP0029201A1 (fr) 1981-05-27
EP0029201B1 EP0029201B1 (fr) 1985-03-13

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EP80106940A Expired EP0029201B1 (fr) 1979-11-13 1980-11-10 Procédé pour la mesure des trafic routier dans un système de guidage et d'information pour le trafic individuel

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US (1) US4350970A (fr)
EP (1) EP0029201B1 (fr)
AT (1) ATE12149T1 (fr)
DE (2) DE2945852A1 (fr)

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EP0136691A2 (fr) * 1983-10-04 1985-04-10 Siemens Aktiengesellschaft Procédé pour l'enregistrement d'endroits hasardeux dans un système de guide et d'information pour véhicules terrestres
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EP0288068A1 (fr) * 1987-04-24 1988-10-26 Siemens Aktiengesellschaft Système de guidage pour le transport et le trafic
EP0292897A2 (fr) * 1987-05-25 1988-11-30 Siemens Aktiengesellschaft Méthode d'évaluation du temps de voyage mesuré dans des véhicules au moyen d'un dispositif de guidage et d'informations dans un système de guidage et d'informations
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WO1990005969A2 (fr) * 1988-11-14 1990-05-31 David Kenneth Martell Systeme de controle d'encombrement des routes
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EP0384794A1 (fr) * 1989-02-03 1990-08-29 Urba 2000 Système de collecte et de diffusion d'informations sur la circulation et le stationnement de véhicules de transport, notamment pour automobilistes
FR2655456A1 (fr) * 1989-12-01 1991-06-07 Lecoent Fernand Systeme d'identification applique a la securite autoroutiere.
FR2719931A1 (fr) * 1994-05-10 1995-11-17 Beatrice Dalsass Chariot Interactif pour supermarché.
EP1217331A1 (fr) * 2000-12-20 2002-06-26 Pioneer Corporation Méthode et système pour fixer le temps de trajet et méthode et système de calcul de route et son utilisation
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EP1838050A1 (fr) 2006-03-23 2007-09-26 Peiker acustic GmbH & Co. KG Procédé de transmission d'au moins un jeu de données d'information entre un dispositif de déclenchement et au moins un poste fixe
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NL1038875C2 (nl) * 2011-06-17 2012-12-18 Robbert Jacobus Franciscus Johannes Wesenbeeck Waarschuwingssysteem voor mensen die een uitgestippeld parcours volgen.
EP2610815A1 (fr) * 2011-12-27 2013-07-03 Kapsch TrafficCom AG Procédé d'établissement de données de flux de trafic dans un réseau routier
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US4350970A (en) 1982-09-21
DE3070284D1 (en) 1985-04-18
ATE12149T1 (de) 1985-03-15
EP0029201B1 (fr) 1985-03-13

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