WO2001057345A1 - Procede pour commander le deplacement d'au moins un element, pouvant etre deplace par un moteur electrique, d'un vehicule a moteur - Google Patents

Procede pour commander le deplacement d'au moins un element, pouvant etre deplace par un moteur electrique, d'un vehicule a moteur Download PDF

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Publication number
WO2001057345A1
WO2001057345A1 PCT/EP2001/000448 EP0100448W WO0157345A1 WO 2001057345 A1 WO2001057345 A1 WO 2001057345A1 EP 0100448 W EP0100448 W EP 0100448W WO 0157345 A1 WO0157345 A1 WO 0157345A1
Authority
WO
WIPO (PCT)
Prior art keywords
vehicle
signal
control unit
remote control
transmission
Prior art date
Application number
PCT/EP2001/000448
Other languages
German (de)
English (en)
Inventor
Thomas ÖXLE
Walter Ulke
Original Assignee
Daimlerchrysler 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 Daimlerchrysler Ag filed Critical Daimlerchrysler Ag
Publication of WO2001057345A1 publication Critical patent/WO2001057345A1/fr

Links

Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
    • G07C2009/00388—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks code verification carried out according to the challenge/response method
    • G07C2009/00404—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks code verification carried out according to the challenge/response method starting with prompting the lock
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C2209/00—Indexing scheme relating to groups G07C9/00 - G07C9/38
    • G07C2209/60—Indexing scheme relating to groups G07C9/00174 - G07C9/00944
    • G07C2209/63—Comprising locating means for detecting the position of the data carrier, i.e. within the vehicle or within a certain distance from the vehicle

Definitions

  • the establishment of the access authorization for motor-driven vehicles is divided into two separate steps: on the one hand in the access to the vehicle
  • Actuation of moving parts of the vehicle such as vehicle door, side window, sunroof or convertible top, on the other hand in commissioning (the engine starting process) by operating the ignition lock.
  • coded signals can be transmitted between a remote control unit (for example an electronic key designed as a remote control) and the vehicle; After evaluation and verification of the coded signals and, if necessary, after certain conditions have been met, the desired movement of the movable part is carried out, the movement of the movable parts of the vehicle often being performed by an electric motor (by means of servomotors).
  • a remote control unit for example an electronic key designed as a remote control
  • the desired movement of the movable part is carried out, the movement of the movable parts of the vehicle often being performed by an electric motor (by means of servomotors).
  • an electric motor by means of servomotors
  • the invention has the object of providing a method for controlling the BEWE ⁇ supply of at least one electric motor moving part of a motor-driven vehicle to specify in which a reliable and safe movement of the movable part of the vehicle for the operator (the authorized user) is made possible in a simple manner.
  • the desired closing or opening process of the relevant moving part of the vehicle is activated by actuating the remote control unit carried by the operator (e.g. a remote control) selected; thereupon a bidirectional signal transmission (bidirectional communication) is carried out between the remote control unit and the vehicle, in which the signal transit time of the signals transmitted between the vehicle and the remote control unit is determined.
  • the remote control unit carried by the operator (e.g. a remote control) selected; thereupon a bidirectional signal transmission (bidirectional communication) is carried out between the remote control unit and the vehicle, in which the signal transit time of the signals transmitted between the vehicle and the remote control unit is determined.
  • the distance between the vehicle and the remote control unit is determined by evaluating these signal transit times, in particular by determining the time difference between a vehicle signal transmitted from the vehicle to the remote control unit and the key signal arriving in the vehicle (e.g. after a constant delay time) that is returned; the control of the signal transmission and the evaluation of this time difference (signal delay measurement) can, for example. done by a control unit arranged in the vehicle.
  • the distance between the vehicle and the remote control unit is determined cyclically during the operator's request and thus during the movement of the moving part, ie the vehicle signal is emitted by the vehicle at cyclical time intervals and the key signal that follows is detected.
  • the operator's request for moving the selected electromotive part is only met for at least one electromotive part if the remote control unit and thus the operator are within a certain distance (below a limit value for the distance) from the vehicle.
  • a switch or a button on a remote control is actuated as a remote control unit, thereby sending an activation signal to the vehicle from the remote control unit.
  • the vehicle then sends a vehicle signal to the remote control unit, to which the remote control unit responds with a key signal sent to the vehicle.
  • the time difference between the emission of the vehicle signal and the detection of the key signal is determined in the vehicle and the distance between the vehicle and the remote control unit is determined from this.
  • the operator's request is not carried out - in particular, such a limit value for the distance between the remote control unit (the operator) and the vehicle during closing processes with a high risk of jamming.
  • the key signal sent from the remote control unit to the vehicle is preferred (for example to suppress unwanted echo effects, ie to distinguish the desired echo signal from unwanted echo signals) only after a certain predetermined delay time after receiving the
  • the key signal and the vehicle signal can be transmitted either by means of pulses or by means of modulated continuous signals (cw method); in the case of a pulse-shaped signal transmission, a suitable pulse modulation method can be used, e.g. can the data information in the pulse duration of the transmitted pulses or in the length of the pulse packets (number of
  • Pulses can be encoded.
  • the transmission principle or the transmission medium for the signal transmission of the key signal and vehicle signal can be chosen as desired, for example.
  • the key signal and the vehicle signal are transmitted by means of sound waves or electromagnetic waves (for example in the HF, IR or ultrasound range).
  • the vehicle signal and key signal can be emitted with the same transmission frequency (carrier frequency) or with different transmission frequencies.
  • Key signal and vehicle signal can be transmitted using different transmission media, i.e. In this case, the transmission frequencies of the vehicle signal and key signal are so different that they are assigned to different frequency ranges.
  • the key signal is transmitted from the remote control unit to at least one receiving unit mounted in or on the vehicle, the key signal being able to be transmitted simultaneously to at least two receiving units of the vehicle located at different points in the vehicle in order to improve the measurement accuracy.
  • the data of the vehicle signal transmitted from the vehicle to the remote control unit can be specified individually for each vehicle, i.e. differ from vehicle to vehicle and / or change after each signal transmission, i.e. only be valid for signal transmission. Furthermore, the data of the vehicle signal transmitted from the vehicle to the remote control unit can be combined with the
  • Data of the associated key signal are linked to data packets and these data packets are used for an unambiguous and defined transit time measurement (as a result, the key signals can be clearly assigned to the previously transmitted vehicle signals in order to avoid errors in determining the signal transit time).
  • the data of the vehicle signal and the key signal can be encrypted using cryptological methods (for example using "challenge and response"protocols); this enables verification of the remote Control unit can be made, ie the authorization of the operator to establish the access authorization are checked.
  • the remote control unit to be carried by the operator and used to identify the operator or as proof of authorization can be configured in any way, for example. as a remote control in the form of a credit card or in the form of a key with a key bit or a beardless key.
  • the control of the movement of at least one electromotive part of a motor-driven vehicle is possible in a simple manner and is advantageously associated with a high level of safety, since the precise and reproducible specification of limit values for the distance between the remote control unit and the vehicle is a criterion for the release the movement of certain moving parts of the vehicle ensures that the operator is within a certain range around the vehicle and can thus monitor the movement processes.
  • Such a specification of limit values can be limited to the actuation and movement of certain moving parts of the vehicle, in particular to closing operations with a high risk potential (for example to closing the convertible top or the side windows of the vehicle), while the range for actuating the other moving parts of the vehicle is not restricted.
  • the vehicle 1 has a control unit 1 0, a transmission unit 1 1 and a reception unit 1 2; the control unit 10 is, for example. designed as a door control unit, the transmitter unit 1 1 is integrated in the door handle and the receiver unit 1 2 is integrated in the door control unit.
  • Remote control unit 2 designed in the form of a beardless key, is carried along by the operator (by the authorized user) and is regarded as legitimation when an operator wishes to produce the
  • Access authorization to vehicle 1 ie the operator's authorization for access to vehicle 1 is checked with remote control unit 2 and the Movement of the moving parts of vehicle 1 required for access to vehicle 1 is activated.
  • the communication (the bidirectional signal transmission) between the vehicle 1 and the remote control unit 2 is initiated by actuating the remote control unit 2.
  • the maximum permissible distance for the communication between the remote control unit 2 and the vehicle 1 is ex. 5 m limited; ie only in the event that the signal transit time between the vehicle 1 and the remote control unit 2 is less than a predetermined maximum time and thus the distance between the motor vehicle 1 and the remote control unit 2 is less than a limit value corresponding to this maximum time, for example. 5 m, the side windows of vehicle 1 are closed.
  • the timing of communication i.e. The time sequence of the bidirectional signal transmission between the remote control unit 2 and the vehicle 1 when the operator requests the side windows of the vehicle 1 to be closed is as follows:
  • the operator's request is implemented in that the corresponding switch 23 (the corresponding closing key) of the remote control unit 2 is actuated. If the operator presses the switch 23 (the closing button) of the remote control unit 2 for more than two seconds, this is interpreted as a command to close the side window of the vehicle 1.
  • the remote control unit 2 forwards this command to the vehicle 1, in that the control unit 20 of the remote control unit 2 sends the activation signal AS to the vehicle 1 at time t1 by means of the transmission unit 21; the vehicle 1 is thus signaled that the operator
  • the control unit 10 of the vehicle 1 detects the activation signal AS via the receiving unit 1 2.
  • the control unit 10 of the vehicle 1 sends the vehicle signal FS to the remote control unit 2 by means of the transmission unit 11 at time t2.
  • the control unit 20 of the remote control unit 2 detects the vehicle signal FS by means of the receiving unit 22 and, after a predetermined delay time (for example 50 ⁇ s), sends the key signal SS to the vehicle 1 by means of the transmitting unit 21.
  • the control unit 10 of the vehicle 1 detects the Time t3 the key signal SS by means of the receiving unit 12.
  • the control unit 10 of the vehicle 1 determines the signal transit time .DELTA.t as the time difference between the time t2 and the time t3 and, given the known propagation speed of the transmission signals, the distance between the Vehicle 1 and the remote control unit 2 determined.
  • control unit 10 decides whether the closing process is triggered or not: if, on the basis of the cryptological protocols, the signal transmission of the vehicle signal FS and the
  • the corresponding transmission signal is emitted by the vehicle 1 and by the remote control unit 2 (vehicle signal FS, key signal SS) and thus the release for the closing process of the side window of the vehicle 1 is checked.
  • the remote control unit 2 has an ultrasound receiver connected to the control unit 20 as a reception unit 22 with a carrier frequency of 44 kHz and a radio transmitter connected to the control unit 20 as a transmission unit 21 with a carrier frequency of 433.92 MHz.
  • an ultrasound transmitter As the transmission unit
  • the signal transit time of the key signal SS transmitted to the vehicle 1 by radio control unit 2 can be neglected: the signal transit time ⁇ t as the time difference between the emission of the vehicle signal FS (Time t2) and the detection of the key signal SS (time t3) is therefore determined by the signal transit time of the vehicle signal FS transmitted from the vehicle 1 to the remote control unit 2 by means of ultrasound and by the delay time in the control unit 20 of the remote control unit 2 (e.g. this constant delay time is 50 ⁇ s).
  • the signal transit time of the vehicle signal FS is 2.9 ms per meter distance between vehicle 1 and remote control unit 2.
  • the control unit 10 of the vehicle 1 only performs the closing function of the side windows when the signal transit time ⁇ t is the time difference between the times t3 and t2 is less than 7.4 ms, ie if the distance between the remote control unit 2 and the vehicle 1 is less than 6 m.
  • no limit values for the permissible distance are specified; For these movements, the operator's radius of action is only limited by the range of the radio transmission (e.g. 10 m to 30 m).

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lock And Its Accessories (AREA)

Abstract

L'invention concerne un procédé pour commander le déplacement d'au moins un élément, pouvant être déplacé par un moteur électrique, d'un véhicule à moteur, au moyen d'un organe de télécommande. L'invention vise à permettre, de manière simple, de déplacer l'élément mobile du véhicule de façon fiable et sûre, au moyen d'un tel procédé. A cet effet, lorsque l'utilisateur souhaite déplacer un élément pouvant être déplacé par un moteur électrique, une transmission de signaux bidirectionnelle est réalisée entre l'organe de télécommande et le véhicule au moyen de signaux de transmission codés. Le temps de propagation des signaux est déterminé et évalué en tant que différence de temps entre l'émission et la détection de signaux de transmission déterminés. Lorsqu'au moins un élément du véhicule doit être déplacé par un moteur électrique, il est décidé, sur la base de l'évaluation du temps de propagation des signaux, si le déplacement de l'élément par le moteur électrique est déclenché ou non. L'invention concerne également un procédé de commande de la fermeture des vitres latérales d'un véhicule automobile.
PCT/EP2001/000448 2000-02-01 2001-01-17 Procede pour commander le deplacement d'au moins un element, pouvant etre deplace par un moteur electrique, d'un vehicule a moteur WO2001057345A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2000104213 DE10004213A1 (de) 2000-02-01 2000-02-01 Verfahren zur Steuerung der Bewegung von mindestens einem elektromotorisch bewegten Teil eines motorangetriebenen Fahrzeugs
DE10004213.9 2000-02-01

Publications (1)

Publication Number Publication Date
WO2001057345A1 true WO2001057345A1 (fr) 2001-08-09

Family

ID=7629363

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2001/000448 WO2001057345A1 (fr) 2000-02-01 2001-01-17 Procede pour commander le deplacement d'au moins un element, pouvant etre deplace par un moteur electrique, d'un vehicule a moteur

Country Status (2)

Country Link
DE (1) DE10004213A1 (fr)
WO (1) WO2001057345A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012010564A1 (de) 2012-05-26 2013-11-28 Audi Ag Fernbedienungsvorrichtung für einen Kraftwagen sowie Verfahren zum Betreiben einer solchenFernbedienungsvorrichtung

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4057879B2 (ja) * 2002-10-15 2008-03-05 矢崎総業株式会社 スライドドア用非接触近距離通信装置
DE102005018269B4 (de) * 2005-04-20 2019-04-25 Robert Bosch Gmbh Verfahren und System zur bidirektionalen Datenübertragung und Entfernungsbestimmung
US7592895B2 (en) 2005-10-17 2009-09-22 Lear Corporation System and method for remotely controlling a function
DE102008025741A1 (de) * 2008-05-29 2009-12-03 GM Global Technology Operations, Inc., Detroit Sonnenbeschattungseinrichtung für Seiten- oder Heckfenster
DE102013213029A1 (de) 2013-07-03 2015-01-08 Volkswagen Aktiengesellschaft Bestimmen einer Position einer einem Fahrzeug zugeordneten Vorrichtung
DE102015106215B4 (de) * 2015-04-22 2020-10-01 Houtan Shirzadi Kraftfahrzeug mit Abschaltautomatik für mobile Endgeräte
DE102017211941B4 (de) 2017-07-12 2021-12-02 Volkswagen Aktiengesellschaft Verfahren zum Ermitteln einer Zugangsberechtigung zu einem Kraftfahrzeug sowie Berechtigungssystem für ein Kraftfahrzeug

Citations (4)

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DE4329697A1 (de) * 1993-09-02 1995-03-09 Siemens Ag Fernsteuerbare Zugangskontrolleinrichtung
EP0673003A1 (fr) * 1994-03-17 1995-09-20 Siemens Aktiengesellschaft Système d'accès contrôlé sans enclenchement de clé
DE19632025A1 (de) * 1996-08-08 1998-04-02 Daimler Benz Ag Authentikationseinrichtung mit elektronischer Authentikationskommunikation
DE19802526A1 (de) * 1998-01-26 1999-07-29 Bosch Gmbh Robert Vorrichtung zur Kontrolle der Zugangsberechtigung

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Publication number Priority date Publication date Assignee Title
DE4003280C5 (de) * 1990-02-03 2007-06-28 Bayerische Motoren Werke Ag Sicherheitseinrichtung für Kraftfahrzeuge
DE4102816C2 (de) * 1990-07-27 1994-06-30 Diehl Gmbh & Co Hochfrequenz-Kommunikationseinrichtung
DE19801885A1 (de) * 1998-01-20 1999-07-22 Mannesmann Vdo Ag Empfangseinrichtung eines Fernbedienungssystems und Verfahren zum Betreiben eines Fernbedienungssystems

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4329697A1 (de) * 1993-09-02 1995-03-09 Siemens Ag Fernsteuerbare Zugangskontrolleinrichtung
EP0673003A1 (fr) * 1994-03-17 1995-09-20 Siemens Aktiengesellschaft Système d'accès contrôlé sans enclenchement de clé
DE19632025A1 (de) * 1996-08-08 1998-04-02 Daimler Benz Ag Authentikationseinrichtung mit elektronischer Authentikationskommunikation
DE19802526A1 (de) * 1998-01-26 1999-07-29 Bosch Gmbh Robert Vorrichtung zur Kontrolle der Zugangsberechtigung

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012010564A1 (de) 2012-05-26 2013-11-28 Audi Ag Fernbedienungsvorrichtung für einen Kraftwagen sowie Verfahren zum Betreiben einer solchenFernbedienungsvorrichtung
WO2013178314A1 (fr) 2012-05-26 2013-12-05 Audi Ag Dispositif de télécommande pour un véhicule à moteur, et procédé pour faire fonctionner un dispositif de télécommande de ce type
US9511744B2 (en) 2012-05-26 2016-12-06 Audi Ag Remote control device for a motor vehicle, and method for operating such a remote control device

Also Published As

Publication number Publication date
DE10004213A1 (de) 2001-08-02

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