EP0357893A2 - Méthode pour mesurer l'écoulement du trafic routier - Google Patents

Méthode pour mesurer l'écoulement du trafic routier Download PDF

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Publication number
EP0357893A2
EP0357893A2 EP89110927A EP89110927A EP0357893A2 EP 0357893 A2 EP0357893 A2 EP 0357893A2 EP 89110927 A EP89110927 A EP 89110927A EP 89110927 A EP89110927 A EP 89110927A EP 0357893 A2 EP0357893 A2 EP 0357893A2
Authority
EP
European Patent Office
Prior art keywords
traffic
sensor
data
road
vehicle
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.)
Withdrawn
Application number
EP89110927A
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German (de)
English (en)
Other versions
EP0357893A3 (fr
Inventor
Hans Dr. Fabian
Manfred Peckmann
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.)
FABIAN, HANS, DR.
Original Assignee
Messerschmitt Bolkow Blohm 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 Messerschmitt Bolkow Blohm AG filed Critical Messerschmitt Bolkow Blohm AG
Publication of EP0357893A2 publication Critical patent/EP0357893A2/fr
Publication of EP0357893A3 publication Critical patent/EP0357893A3/fr
Withdrawn legal-status Critical Current

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    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/04—Detecting movement of traffic to be counted or controlled using optical or ultrasonic detectors
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/042—Detecting movement of traffic to be counted or controlled using inductive or magnetic detectors

Definitions

  • the invention relates to a method and a device for detecting the flow of traffic on roads according to the preamble of claim 1.
  • German patent specification 2911734 - a traffic jam, e.g. caused by an accident, can be displayed very quickly and the following traffic can be warned.
  • a disadvantage of systems with induction loops in the road is the short service life, which is currently to be estimated at a maximum of 5 years.
  • the traffic control and navigation systems such as ALI or OKE, which are in the testing phase, can also be used to count vehicles on a particular street.
  • these systems work with active and complex radio devices in the vehicle, so that vehicles cannot be detected without such a device.
  • the object of the invention is to provide a system for measuring, evaluating and reliably monitoring the flow of traffic on roads in accordance with the preamble of claim 1, in which the least possible (additional) construction effort is required.
  • the system should contribute to increasing road safety on the roads.
  • Suitable sensor types which serve together with a first sound sensor as a further sensor, in particular a second sensor, can advantageously be used: magnetic field or Hall sensors, sensors for electromagnetic waves, such as microwaves or waves in the range of visible or infrared or ultraviolet light; then the sensor is advantageously designed in two parts as a transmitter and receiver.
  • the invention thus shows a non-contact method that does not require any special facilities in the vehicle. Nevertheless, it is possible not only to count the vehicles, but also to classify them and recognize them according to speed, distance, direction, lane, etc. With the help of a data flow reduced to the essential values, to monitor the traffic situation and, if necessary, to intervene in a warning or controlling manner .
  • the reduced data enable inexpensive traffic flow monitoring and traffic flow-controlled traffic light switching or the emergence of traffic jams and mass billiards to be recognized and prevented in good time and speed limits to be introduced or diversions to be displayed beforehand at a large distance.
  • the same also applies to the visual and / or acoustic signal, the issuing of an overtaking warning or prohibition of overtaking, or, further graded, a blocking. Depending on the weather conditions, day or night, such a warning can be given at a shorter or further distance from an accident location.
  • the non-use of a fast lane on a motorway provided that a wrong-way driver has been detected by the system according to the invention.
  • fire brigades In addition, fire brigades, ambulance services or the police can more easily find unrestricted journeys, e.g. to and from an accident site.
  • the system according to the invention is largely autonomous and self-controlling.
  • the vehicles are recognized with a sensor system in a registration unit, which e.g. to the sound radiation (Fig. 3) and to the change in an electromagnetic field (Fig. 4).
  • the example concerns the use of two different sensor types in a detection unit, the signals of which are compared by means of correlation with signals from known motor vehicles.
  • a sensor 1 works in a piezoelectric way (Fig. 1,3).
  • the sound emitted by the vehicles excites vibrations in the sensor, which are registered as structure-borne noise of various signal forms. This enables the vehicle class to be identified.
  • the signal form is converted into an identification signal by means of an amplifier unit, which - after comparison with known signal forms from the memory - enables a first classification and data reduction for the subsequent transmission path. Suitable microphones can also be used.
  • a magnetic field sensor (FIG. 4) or Hall sensor is used as the second sensor 2, which measures the change in the electromagnetic field that occurs in relation to the undisturbed environment when a vehicle drives past and is also converted via an amplifier into a further identification signal, which enables the vehicle to be classified based on the signal curve (curve shape) of the backscattered energy.
  • Both signals of 1 and 2 are compared in correlator 3 and evaluated on the basis of the characteristic data of known motor vehicles stored, for example in the pre-evaluation unit (4), in order to ensure reliable detection and counting according to vehicle class, direction and possibly speed.
  • data is reduced in the corresponding unit 5 in order to forward only the necessary data, such as vehicles per lane and direction and number per minute, in digital form from the data output 8 via remote data transmission 9 to the corresponding control center 10.
  • a decentralized computer 10 'or the central computer 10 controls the respective system depending on the flow of traffic. (Decentralized unit, e.g. connected to the traffic light, see also Fig. 9b)
  • a device similar in principle to that described above can be used to count the flow of traffic on motorways 11.
  • FIG. 7a In a modification of the exemplary embodiment according to FIG. 7a with warning displays for the entire road or single lane, in particular in the manner of traffic signs, it can also be provided according to FIG. 7b to send the warning directly into a vehicle, in particular if the latter has a receiver from a range finder - and / or distance warning device or radio is equipped.
  • the warning In the first case, the warning is given optically, in the second case acoustically such that (see FIG.
  • a column 6 'a transmitter in a column 6 'a transmitter is provided to which the optical or acoustic receiver in the vehicle responds and, if necessary, by means of an additional electronic component provides an additional alarm display, such as that the warning display (double flashing light) of a known type or an SOS sign is given (three times long - three times short - three times long) - cf. Fig. 7b.
  • the emergency vehicle e.g. has an infrared transmitter, to which a receiver in the column responds, which forwards the signal to the next traffic light system and, with the help of the central control computer CPU or a decentralized microprocessor MP, clears the route of the emergency vehicle when approaching the intersection by switching to green or flashing yellow light switches to all traffic lights at the intersection.
  • the signal can be output at the top left.
  • the arrangement is such that e.g.
  • the warning display above the middle lane II indicates the clearing of this lane and clearing towards the right or left lane via a gantry bridge, controlled by the decentralized computer MP or by the central computer CPU via the data bus.
  • the clearing can also be instructed for the grass strip 13 between the lanes, or another lane can be blocked, or all three (e.g. to land a rescue helicopter). Possibly. can warn additional traffic lights before crossing the green area by emergency vehicles at designated places by means of a yellow flashing light.
  • the warning display can take place on the right of a column or can be connected to it.
  • Fig. 9a The control system for the autonomous units is shown in Fig. 9a and a single such column in Fig. 9b.
  • the left part shows the installation unit for the beacon with signal acquisition units, such as sensors 1 and 2, with signal processor SP, which contains the preamplifiers and filters and the correlation unit 3, and a microprocessor MP, the pre-evaluation unit 4 and data reduction unit 5 - cf. .
  • Fig. 2 - contains.
  • the microprocessor MP has its own power supply and control unit SV, a clock generator TG, in particular a clock cycle, preferably also a pulse code generator (not shown) for remote data transmission via the bus, which is laid along the road in the peripheral area, either as a cable, glass fiber cable, e.g. ISDN, telephone line e.g. for DATEX-P by post or telemetry or other remote data transmission, if necessary after the data has been temporarily stored in a buffer.
  • a clock generator TG in particular a clock cycle
  • a pulse code generator not shown
  • the signals from the beacons arrive at the control center after remote data transmission via bus, this can be done via an interface or directly into the input and / or output unit of the central control computer CPU.
  • This has, in particular, a microcomputer MC with a read-only memory ROM and a read-write memory RAM, and it also has an externally reloadable memory for the vehicle types which are to be recognized (type information memory TS).
  • the central computer CPU compares the evaluation of the traffic flow detected by sensors 1 and 2 depending on the lane and direction of travel, vehicle type, size and other detected significant features with the signatures from the memory TS in order to then count according to vehicle classes, temporarily store them and then, if necessary. the pre-programmed steps like warning / stop etc. initiate.
  • the central control unit LW there are clock generators and supply units as well as command registers, data and address registers in a manner known per se connected, these are not shown in detail to keep the drawing clear. Also not shown is an arithmetic and logical unit (ALU) and, if applicable, auxiliary registers for arithmetic operations (ACCU), which the central control computer can also contain.
  • ALU arithmetic and logical unit
  • ACCU auxiliary registers for arithmetic operations
  • the central control computer is connected via an interface 112 to displays 113 to 119, etc., in the desired number and manner.
  • the control center can also send data in the opposite direction to the installation in the beacons via the external remote data transmission bus, for example in full duplex traffic and / or in packets in DATEX-P traffic.
  • the display is connected to 113, which lights up when a signal is sent back to the beacons and, for example via segment display, also to which beacons and codes in what way.
  • 114 indicates the readiness for supply of each beacon, for example the power supply, such as battery, solar cells, etc., and their control, 115 the sensor monitoring and 116 also the different sensor, with 117 the line and module monitoring within the beacon possible interruptions and, at 118, monitoring for a possible total failure of the beacon, eg by starting; 119 is used for coding / code checking.
  • the column shown in FIG. 9 shows the assembly with both sensors, in particular transmitter and receiver, and a further signal receiver 120 for signals from emergency vehicles with an associated control module for a possible corresponding display or traffic light 121, which can also be used, for example, by means of infrared or laser transmitters or radar or can be conveyed acoustically to the dashboard or on-board computer of a vehicle with the aid of the signal transmitter shown in broken lines at the top left in FIG. 9a.
  • the installation unit in FIG. 9b contains all the elements according to FIG. 2 identically.
  • a wire-guided remote transmitter as data bus (ISDN) 122 is shown in the bottom and a battery 124 and / or a panel of solar cells 123 can serve as a power supplier , the latter also for charging the battery (s) 124.
  • ISDN data bus

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Traffic Control Systems (AREA)
EP19890110927 1988-09-08 1989-06-16 Méthode pour mesurer l'écoulement du trafic routier Withdrawn EP0357893A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19883830598 DE3830598A1 (de) 1988-09-08 1988-09-08 Verfahren zum messen des verkehrsflusses auf strassen
DE3830598 1988-09-08

Publications (2)

Publication Number Publication Date
EP0357893A2 true EP0357893A2 (fr) 1990-03-14
EP0357893A3 EP0357893A3 (fr) 1991-03-13

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EP19890110927 Withdrawn EP0357893A3 (fr) 1988-09-08 1989-06-16 Méthode pour mesurer l'écoulement du trafic routier

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EP (1) EP0357893A3 (fr)
DE (1) DE3830598A1 (fr)

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4135874C1 (en) * 1991-10-31 1992-09-17 Ant Nachrichtentechnik Gmbh, 7150 Backnang, De Traffic volume detection circuit - incorporates directional antenna with band-pass filter, frequency-voltage converter and pulse shaper
FR2675610A1 (fr) * 1991-04-18 1992-10-23 Alcuri Gustavo Procede et installation d'evaluation d'un flux de circulation de vehicules routiers.
EP0651364A1 (fr) * 1989-06-08 1995-05-03 Alcatel Austria Aktiengesellschaft Dispositif de surveillance des limites de vitesse des usagers de la route
WO1998008110A1 (fr) * 1996-08-17 1998-02-26 Robert Bosch Gmbh Procede d'identification d'un vehicule en circulation
EP0947818A2 (fr) * 1998-04-02 1999-10-06 Volkswagen Aktiengesellschaft Procédé et dispositif de simulation d'accidents de véhicules
WO2001078037A1 (fr) * 2000-04-11 2001-10-18 Thermal Standards Live Inc. Systeme de collecte, de stockage et d'extraction de donnees concernant la securite d'un vehicule
EP1321915A2 (fr) * 2001-12-12 2003-06-25 JET RESEARCH Srl Dispositif de surveillance du traffic
EP1381008A1 (fr) * 2002-07-09 2004-01-14 Vialis Verkeer & Mobiliteit bv Système de surveillance de véhicule
EP2128837A1 (fr) * 2008-05-30 2009-12-02 MEAS Deutschland GmbH Dispositif de détection d'au moins une propriété d'un véhicule relié à une surface
WO2010142803A1 (fr) * 2009-06-12 2010-12-16 E.B.M.-Elektro-Bau-Montage Gmbh & Co. Kg Procédé de détection de véhicules
CN102568215A (zh) * 2012-02-26 2012-07-11 浙江大学 一种基于检测器的车辆排队检测方法
EP2503529A1 (fr) * 2011-03-24 2012-09-26 Thales Defence & Security Systems GmbH Procédé et dispositif destinés à détecter et classifier des véhicules en marche
CN102819957A (zh) * 2012-06-05 2012-12-12 浙江大学 基于上游线圈检测器信息的路段排队上溯识别方法
US20130057264A1 (en) * 2010-01-08 2013-03-07 Commissariat A L'energie Atomique Et Aux Energies Alternatives Device for measuring the speed of displacement of an object deforming the lines of the terrestrial magnetic field
DE202017101931U1 (de) 2017-03-31 2017-05-31 Daniel Gillo Sensorsystem
CN106781493A (zh) * 2016-12-30 2017-05-31 迈锐数据（北京）有限公司 一种车辆排队长度模拟系统、方法和装置
DE102018110288A1 (de) * 2018-04-27 2019-10-31 Daniel Gillo Verfahren zur Detektion von Falschfahrern sowie Sensorsystem
DE102021111221A1 (de) 2021-04-30 2022-11-03 Ralf Schlegel System und Verfahren zur Geschwindigkeitsmessung

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4041149C1 (en) * 1990-12-21 1992-03-05 Norbert 7257 Ditzingen De Kemper Vehicle type classification within traffic flow - comparing vehicle silhouette with patterns stored in memory
DE4106289A1 (de) * 1991-02-28 1992-09-03 Bayerische Motoren Werke Ag Pruefverfahren fuer die sichtverhaeltnisse auf fahrbahnen und vorrichtung zur durchfuehrung des verfahrens
DE4323984A1 (de) * 1993-07-17 1994-02-17 Emma Margarete Reil Mobiles Verkehrsüberwachungssystem mittels fahrzeugintegrierten Aufzeichnungs- und Bildspeicher
DE20212474U1 (de) 2002-08-13 2002-10-24 Jassmann, Ewald, 70372 Stuttgart Warnsystem zur Warnung von Kraftfahrzeugfahrern vor plötzlich auftretenden Gefahrensituationen
DE102007035916A1 (de) * 2007-07-30 2009-02-05 Siemens Ag Zugpositionserfassungssystem

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GB1204484A (en) * 1966-11-30 1970-09-09 Gen Electric & English Electri Improvements in or relating to road traffic systems
US3895344A (en) * 1970-02-12 1975-07-15 Us Navy Vehicle detection system and method of operation
DE3202629A1 (de) * 1982-01-25 1983-08-04 Elmeg Elektro-Mechanik Gmbh, 3150 Peine Vorrichtung zur richtungsabhaengigen erkennung der anwesenheit eines fahrzeugs
DE3209377A1 (de) * 1982-03-15 1983-09-22 Siemens AG, 1000 Berlin und 8000 München Verfahren zur fahrzeugdetektion im strassenverkehr
GB2159995A (en) * 1984-06-01 1985-12-11 Gec Avionics Vehicle detection system

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IT1013280B (it) * 1974-05-28 1977-03-30 Autostrade Concess Const Sistema perfezionato per il control lo elettronico del traffico in tempo reale e per trasmissioni bidirezionali in codice e fonia fra centrale operativa e mezzi mobili
DE2911734C2 (de) * 1979-03-26 1982-06-24 Siemens AG, 1000 Berlin und 8000 München Verfahren zur Messung von Verkehrsstörungen
DE3030229A1 (de) * 1980-08-09 1982-03-25 Battelle-Institut E.V., 6000 Frankfurt Verfahren zur erkennung und identifikation von sich bewegenden objekten sowie zur ermittlung ihrer geschwindigkeit
DE3128578A1 (de) * 1981-07-20 1983-02-03 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt "verfahren zur automatischen staudetektion und stauprognose fuer den strassenverkehr"
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Publication number Priority date Publication date Assignee Title
GB1204484A (en) * 1966-11-30 1970-09-09 Gen Electric & English Electri Improvements in or relating to road traffic systems
US3895344A (en) * 1970-02-12 1975-07-15 Us Navy Vehicle detection system and method of operation
DE3202629A1 (de) * 1982-01-25 1983-08-04 Elmeg Elektro-Mechanik Gmbh, 3150 Peine Vorrichtung zur richtungsabhaengigen erkennung der anwesenheit eines fahrzeugs
DE3209377A1 (de) * 1982-03-15 1983-09-22 Siemens AG, 1000 Berlin und 8000 München Verfahren zur fahrzeugdetektion im strassenverkehr
GB2159995A (en) * 1984-06-01 1985-12-11 Gec Avionics Vehicle detection system

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JAPANESE JOURNAL OF APPLIED PHYSICS, Band 23, Supplement 23-1, 1983, Seiten 95-97; K. FUTSUHARA: "A pulsed ultrasonic radar vehicle detector realization" *

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0651364A1 (fr) * 1989-06-08 1995-05-03 Alcatel Austria Aktiengesellschaft Dispositif de surveillance des limites de vitesse des usagers de la route
FR2675610A1 (fr) * 1991-04-18 1992-10-23 Alcuri Gustavo Procede et installation d'evaluation d'un flux de circulation de vehicules routiers.
WO1992018962A1 (fr) * 1991-04-18 1992-10-29 Gustavo Alcuri Procede et installation d'evaluation d'un flux de circulation de vehicules routiers
DE4135874C1 (en) * 1991-10-31 1992-09-17 Ant Nachrichtentechnik Gmbh, 7150 Backnang, De Traffic volume detection circuit - incorporates directional antenna with band-pass filter, frequency-voltage converter and pulse shaper
WO1998008110A1 (fr) * 1996-08-17 1998-02-26 Robert Bosch Gmbh Procede d'identification d'un vehicule en circulation
AU721393B2 (en) * 1996-08-17 2000-06-29 Kapsch Aktiengesellschaft Process for identifying a vehicle on a road
EP0947818A3 (fr) * 1998-04-02 2000-01-12 Volkswagen Aktiengesellschaft Procédé et dispositif de simulation d'accidents de véhicules
EP0947818A2 (fr) * 1998-04-02 1999-10-06 Volkswagen Aktiengesellschaft Procédé et dispositif de simulation d'accidents de véhicules
DE19814844B4 (de) * 1998-04-02 2006-05-04 Volkswagen Ag Simulationsvorrichtung für Kraftfahrzeugunfälle und Verfahren zum Simulieren von Kraftfahrzeugunfällen
WO2001078037A1 (fr) * 2000-04-11 2001-10-18 Thermal Standards Live Inc. Systeme de collecte, de stockage et d'extraction de donnees concernant la securite d'un vehicule
EP1321915A2 (fr) * 2001-12-12 2003-06-25 JET RESEARCH Srl Dispositif de surveillance du traffic
EP1321915A3 (fr) * 2001-12-12 2003-12-17 JET RESEARCH Srl Dispositif de surveillance du traffic
EP1381008A1 (fr) * 2002-07-09 2004-01-14 Vialis Verkeer & Mobiliteit bv Système de surveillance de véhicule
NL1023815C2 (nl) * 2002-07-09 2004-04-06 Vialis Verkeer & Mobiliteit B Voertuigvolgsysteem.
EP2128837A1 (fr) * 2008-05-30 2009-12-02 MEAS Deutschland GmbH Dispositif de détection d'au moins une propriété d'un véhicule relié à une surface
WO2009144029A1 (fr) * 2008-05-30 2009-12-03 Meas Deutschland Gmbh Dispositif de détection d’au moins une propriété d'un véhicule lié à une surface
WO2010142803A1 (fr) * 2009-06-12 2010-12-16 E.B.M.-Elektro-Bau-Montage Gmbh & Co. Kg Procédé de détection de véhicules
US20130057264A1 (en) * 2010-01-08 2013-03-07 Commissariat A L'energie Atomique Et Aux Energies Alternatives Device for measuring the speed of displacement of an object deforming the lines of the terrestrial magnetic field
US9092982B2 (en) * 2010-01-08 2015-07-28 Commissariat à l'énergie atomique et aux énergies alternatives Device for measuring the speed of displacement of an object deforming the lines of the terrestrial magnetic field
EP2503529A1 (fr) * 2011-03-24 2012-09-26 Thales Defence & Security Systems GmbH Procédé et dispositif destinés à détecter et classifier des véhicules en marche
CN102568215B (zh) * 2012-02-26 2014-03-19 浙江大学 一种基于检测器的车辆排队检测方法
CN102568215A (zh) * 2012-02-26 2012-07-11 浙江大学 一种基于检测器的车辆排队检测方法
CN102819957A (zh) * 2012-06-05 2012-12-12 浙江大学 基于上游线圈检测器信息的路段排队上溯识别方法
CN102819957B (zh) * 2012-06-05 2014-04-16 浙江大学 基于上游线圈检测器信息的路段排队上溯识别方法
CN106781493A (zh) * 2016-12-30 2017-05-31 迈锐数据（北京）有限公司 一种车辆排队长度模拟系统、方法和装置
CN106781493B (zh) * 2016-12-30 2020-09-18 迈锐数据（北京）有限公司 一种车辆排队长度模拟系统、方法和装置
DE202017101931U1 (de) 2017-03-31 2017-05-31 Daniel Gillo Sensorsystem
DE102018110288A1 (de) * 2018-04-27 2019-10-31 Daniel Gillo Verfahren zur Detektion von Falschfahrern sowie Sensorsystem
DE102021111221A1 (de) 2021-04-30 2022-11-03 Ralf Schlegel System und Verfahren zur Geschwindigkeitsmessung

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Publication number Publication date
DE3830598A1 (de) 1990-03-22
DE3830598C2 (fr) 1991-01-17
EP0357893A3 (fr) 1991-03-13

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