WO2010094523A1 - Procédé de détection automatique de position de roue dans un véhicule - Google Patents

Procédé de détection automatique de position de roue dans un véhicule Download PDF

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Publication number
WO2010094523A1
WO2010094523A1 PCT/EP2010/050250 EP2010050250W WO2010094523A1 WO 2010094523 A1 WO2010094523 A1 WO 2010094523A1 EP 2010050250 W EP2010050250 W EP 2010050250W WO 2010094523 A1 WO2010094523 A1 WO 2010094523A1
Authority
WO
WIPO (PCT)
Prior art keywords
vehicle
wheel
transmitting
receiving unit
wheel electronics
Prior art date
Application number
PCT/EP2010/050250
Other languages
German (de)
English (en)
Inventor
Nikolaos Oikonomidis
Thomas-Achim Boes
Original Assignee
Robert Bosch Gmbh
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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2010094523A1 publication Critical patent/WO2010094523A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/02—Signalling devices actuated by tyre pressure
    • B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
    • B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
    • B60C23/0415—Automatically identifying wheel mounted units, e.g. after replacement or exchange of wheels
    • B60C23/0416—Automatically identifying wheel mounted units, e.g. after replacement or exchange of wheels allocating a corresponding wheel position on vehicle, e.g. front/left or rear/right
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/02—Signalling devices actuated by tyre pressure
    • B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
    • B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
    • B60C23/0422—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver characterised by the type of signal transmission means
    • B60C23/0433—Radio signals
    • B60C23/0447—Wheel or tyre mounted circuits
    • B60C23/045—Means for detecting electromagnetic field changes being not part of the signal transmission per se, e.g. strength, direction, propagation or masking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/02—Signalling devices actuated by tyre pressure
    • B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
    • B60C23/0486—Signalling devices actuated by tyre pressure mounted on the wheel or tyre comprising additional sensors in the wheel or tyre mounted monitoring device, e.g. movement sensors, microphones or earth magnetic field sensors
    • B60C23/0488—Movement sensor, e.g. for sensing angular speed, acceleration or centripetal force

Definitions

  • the invention relates to a method for automatic wheel position detection in a vehicle.
  • US 2005/0156722 A1 discloses a method for automatic wheel position detection in a vehicle, in which the signal characteristics of two-axis acceleration sensors are used to deduce the wheel position in the left or right side of the vehicle.
  • the respective axis side of a control unit can be selected from the resulting 180 °
  • Phase shift is determined, which results from the difference of the received signal information of the left and right wheels. With this method, it is not possible to detect the wheel position on the front axle or rear axle.
  • the invention has for its object to reliably detect the position of a vehicle wheel on the front axle and the rear axle with simple measures.
  • the method according to the invention is used automatically to detect the wheel position on the front axle or the rear axle in a vehicle.
  • front- Suspension is that at least one front wheel and at least one rear wheel are each equipped with a wheel electronics having a directional antenna for radiating and receiving radio signals, the antennas of the front wheel electronics and rear wheel electronics are aligned in such a way that the received signal strength in the wheel electronics differs.
  • the radio signal emitted by a first wheel electronics is received in the second wheel electronics with a higher signal strength than in the opposite direction, ie a radio signal emitted by the second wheel electronics, which signal is received by the first wheel electronics with a lower signal strength. From the signal strength difference can be closed to the position of the wheel on the front axle or the rear axle.
  • a signal signal strength representing information signal is generated in the received wheel electronics, which reflects the wheel position on the front axle or the rear axle.
  • the information signal for example, assumes the value zero if no or only a small value of the radio signal of the transmitting wheel electronics is received, and the value one if a higher value of the radio signal is received.
  • the value of the information signal represents the wheel position on the front axle or the rear axle.
  • the device which is provided for carrying out the method and designed, for example, as a tire pressure measuring system, comprises at least one acceleration sensor and a transmitting or receiving unit, wherein the acceleration sensor and the transmitting and receiving unit are assigned to a vehicle wheel.
  • the acceleration sensor and the transmitting and receiving unit are part of a wheel electronics, which is arranged in or on the vehicle wheel.
  • the transmitting and receiving unit has a directional antenna which points in a specific direction and radiates in this direction with the greatest signal strength.
  • the radio direction is preferably parallel to the vehicle longitudinal axis, ie in or opposite to the vehicle forward direction.
  • the transmitting / receiving units which are located on a common side of the vehicle, radiate the radio signals in the same direction. It may be advantageous for the transceiver units on the left side of the vehicle to radiate in the opposite direction as the transceiver units on the right side of the vehicle.
  • the antennas, which are part of the transmitting / receiving unit, on the left side of the vehicle to the rear so be aligned against the vehicle forward direction, whereas the antennas of the transmitting / receiving units are aligned on the right side of the vehicle forward, ie in the vehicle forward direction.
  • At least one vehicle wheel on the front axle and one vehicle wheel on the rear axle are each equipped with wheel electronics.
  • each wheel of the vehicle is provided with a wheel electronics, wherein the transmitting and receiving units of all wheel electronics are directed parallel to each other or
  • an accelerometer in each wheel electronics which is equipped with two-axis acceleration sensors, can be generated via the phase-shifted acceleration signals, which are preferably in a 90 ° phase relationship to each other.
  • the accelerometers in the left and right axis to each other can be generated via the phase-shifted acceleration signals, which are preferably in a 90 ° phase relationship to each other.
  • the accelerometers on the same vehicle side on the front axle and the rear axle have the same phase position.
  • the vehicle is equipped with a central receiving unit, to which the information signals are transmitted, which contain at least the information about the position on the front axle or rear axle, expediently, but also the
  • the central receiving unit receives the information signal from the respective receiving wheel electronics, which communicates with the wheel electronics on the respective other vehicle axle, however, on the same side of the vehicle. This results in the following flowchart:
  • First sends a first wheel electronics, for example, on the left front axle a radio signal via its directional antenna, which has opposite to the vehicle forward direction to the rear.
  • the transmitting / receiving unit in a second wheel electronics on the rear axle on the left receives the radio signal emitted by the first wheel electronics, the radio signal received having a relatively large signal strength, which is above a threshold value, due to the antenna pointing backwards. From this, an information signal is generated, for example, with the value 1, which is transmitted to the central receiving unit, which is connected to the control unit in the vehicle and in which from the value of the information signal to the position of the receiving wheel electronics on the rear axle can be closed.
  • the wheel electronics on the rear axle emit a radio signal via their directional antenna
  • the radio signal is received in the receiving unit in the wheel electronics on the front axle only with a lower signal strength due to the alignment of the antennas to the rear, which is below a threshold value lies. From this, an information signal is generated, for example, with the value 0, which is transmitted from the front wheel electronics to the central receiving unit, wherein in the connected
  • Control unit can be closed from the value of the information signal to the position of the receiving wheel electronics on the front axle.
  • phase shift between the phase-shifted acceleration signals of each wheel electronics can be closed to the position in either the left or in the right vehicle side area.
  • a phase shift of + 90 ° for a position in the left vehicle side area and a phase shift of - 90 ° for a position in the right vehicle side area can be closed to the position in either the left or in the right vehicle side area.
  • the strength of the received radio signals is an unambiguous assignment of each radar signal. electronics to the left or right side of the vehicle and to the front axle or rear axle possible.
  • the information about the left or right side of the vehicle in the information signal is also transmitted to the central receiving unit.
  • FIG. 1 is a schematic representation of a motor vehicle, each with a wheel electronics on each vehicle and with a central receiving unit which communicates with transmitting / receiving units in the wheel electronics, wherein the transmitting / receiving units each comprise a directional antenna,
  • FIG. 2 shows a flow chart with the method steps for the automatic wheel position detection in a vehicle.
  • the vehicle 1 shown in FIG. 1 is, in particular, a motor vehicle with a drive motor, for example an internal combustion engine.
  • the vehicle 1 shown in FIG. 1 is, in particular, a motor vehicle with a drive motor, for example an internal combustion engine.
  • Vehicle 1 has on the front axle, which is symbolized by the front wheel axis 6, in the left and right side of the vehicle vehicle wheels 2, 3.
  • vehicle wheels 4 and 5 are arranged on the rear axle, which has the rear wheel rotational axis 7, in the left and right vehicle side regions.
  • Each vehicle wheel 2, 3, 4, 5 is in each case a wheel electronics 8, 9, 10, 1 1 assigned, each consisting of an accelerometer with biaxial acceleration sensors and a transmitting / receiving unit, which a directional antenna 12, 13, 14 and 15 has.
  • the antennas 12, 14 of the wheel electronics 8 and 10 arranged in the left vehicle side area on the front axle and the rear axle respectively have opposite to the vehicle forward direction
  • FIG. 2 shows the basic course of the method for detecting the wheel position on the front axle or the rear axle. The method is explained by means of a communication between the wheel electronics front left and rear left in the vehicle.
  • an acceleration signal a is recorded by means of the acceleration sensors present there.
  • the acceleration signal a is transmitted by means of the directional antenna in the wheel electronics front left of the wheel electronics rear left, which also has a transmission
  • the wheel electronics back left receives a relatively strong radio signal, which is designated according to step V2 with a * .
  • the received radio signal a * is in the next step V3 on overrang. Falling below a threshold a ⁇ ⁇ m ⁇ t investigated. Is the received radio signal above the threshold at m i t . thus, the Yes branch ("Y") is proceeded to the method step V4, in which an information signal I is set to the value 1. Otherwise, the NO branch becomes
  • step V5 the process proceeds to step V5, in which the value of the information signal I is set to 0.
  • the information signal is transmitted by radio to a central receiving unit in the vehicle, which is connected to a central Regel upon. Control unit is connected, in which a further processing of the information is performed.
  • step V5 the value of the information signal is set to 0 and transmitted from the front wheel electronics to the central control unit, in which the value of the information signal is related to the position of the receiving one
  • Wheel electronics on the front axle can be closed.
  • the acceleration profiles of the acceleration sensors from the left-hand side of the vehicle have a phase shift of + 90 °, and a phase shift of -90 ° in the right-hand side of the vehicle.
  • a central receiving unit 16 is arranged, which is in particular attached to a control or control device.
  • Each wheel electronics 8 to 1 1 can transmit via their respective antenna 12 to 15 signals by radio to the central receiving unit 16.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

L'invention concerne un procédé de détection automatique de position de roue dans un véhicule, procédé selon lequel des signaux radio sont transmis entre des systèmes électroniques de roue au niveau d'une roue avant et d'une roue arrière par le biais d'unités d'émission/réception dirigées, la position de la roue au niveau de l'essieu avant ou de l'essieu arrière étant déterminée à partir de l'intensité des signaux reçus.
PCT/EP2010/050250 2009-02-23 2010-01-12 Procédé de détection automatique de position de roue dans un véhicule WO2010094523A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200910001074 DE102009001074A1 (de) 2009-02-23 2009-02-23 Verfahren zur selbsttätigen Radpositionserkennung in einem Fahrzeug
DE102009001074.2 2009-02-23

Publications (1)

Publication Number Publication Date
WO2010094523A1 true WO2010094523A1 (fr) 2010-08-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/050250 WO2010094523A1 (fr) 2009-02-23 2010-01-12 Procédé de détection automatique de position de roue dans un véhicule

Country Status (2)

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DE (1) DE102009001074A1 (fr)
WO (1) WO2010094523A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108349339A (zh) * 2015-09-18 2018-07-31 胡夫·许尔斯贝克和福斯特有限及两合公司 用于将车辆的轮胎压力监测系统的车轮电子装置的标识符分配给车辆上的车轮的位置的方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9513799B2 (en) 2011-06-05 2016-12-06 Apple Inc. Devices, methods, and graphical user interfaces for providing control of a touch-based user interface absent physical touch capabilities
EP3206896B1 (fr) * 2015-09-18 2018-10-17 Huf Hülsbeck & Fürst GmbH & Co. KG Methode de determination de positions de modules respectifs de roue d' un systeme de surveillance de pressions de pneumatiques.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050156722A1 (en) 2004-01-20 2005-07-21 Schrader-Bridgeport International, Inc. Motion detection using a shock sensor in a remote tire pressure monitoring system
DE102005022287A1 (de) * 2004-05-13 2005-12-29 Denso Corp., Kariya Den Reifendruck erfassendes Gerät mit einer Funktion zum Detektieren des Reifenorts
DE102005011133A1 (de) * 2005-03-10 2006-09-14 Siemens Ag Radeinheit zur Bereitstellung von Daten
DE102006012535A1 (de) * 2005-04-01 2006-10-19 Continental Teves Ag & Co. Ohg Reifenluftdrucküberwachungssystem sowie Verfahren zur Zuordnung von Reifenmodulen in einem Reifenluftdrucküberwachungssystem

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050156722A1 (en) 2004-01-20 2005-07-21 Schrader-Bridgeport International, Inc. Motion detection using a shock sensor in a remote tire pressure monitoring system
DE102005022287A1 (de) * 2004-05-13 2005-12-29 Denso Corp., Kariya Den Reifendruck erfassendes Gerät mit einer Funktion zum Detektieren des Reifenorts
DE102005011133A1 (de) * 2005-03-10 2006-09-14 Siemens Ag Radeinheit zur Bereitstellung von Daten
DE102006012535A1 (de) * 2005-04-01 2006-10-19 Continental Teves Ag & Co. Ohg Reifenluftdrucküberwachungssystem sowie Verfahren zur Zuordnung von Reifenmodulen in einem Reifenluftdrucküberwachungssystem

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108349339A (zh) * 2015-09-18 2018-07-31 胡夫·许尔斯贝克和福斯特有限及两合公司 用于将车辆的轮胎压力监测系统的车轮电子装置的标识符分配给车辆上的车轮的位置的方法
US10442255B2 (en) 2015-09-18 2019-10-15 Huf Baolong Electronics Bretten Gmbh Method for assigning identifiers of wheel electronics of a tire pressure monitoring system of a vehicle to the positions of the wheels on the vehicle
CN108349339B (zh) * 2015-09-18 2020-05-12 胡夫·许尔斯贝克和福斯特有限及两合公司 用于将车辆的轮胎压力监测系统的车轮电子装置的标识符分配给车辆上的车轮的位置的方法

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