EP2943378A1 - Dispositif de commande d'un système de freinage d'un véhicule, agencement de capteur de vitesse de rotation, système de freinage et véhicule équipés de ce dispositif, ainsi que procédé de détection de vitesse de rotation réalisable avec ce dispositif - Google Patents

Dispositif de commande d'un système de freinage d'un véhicule, agencement de capteur de vitesse de rotation, système de freinage et véhicule équipés de ce dispositif, ainsi que procédé de détection de vitesse de rotation réalisable avec ce dispositif

Info

Publication number
EP2943378A1
EP2943378A1 EP13788890.5A EP13788890A EP2943378A1 EP 2943378 A1 EP2943378 A1 EP 2943378A1 EP 13788890 A EP13788890 A EP 13788890A EP 2943378 A1 EP2943378 A1 EP 2943378A1
Authority
EP
European Patent Office
Prior art keywords
air gap
gap value
speed sensor
value
information
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Withdrawn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
EP13788890.5A
Other languages
German (de)
English (en)
Inventor
Andreas Goers
Marco Michel
Otmar Struwe
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.)
ZF CV Systems Hannover GmbH
Original Assignee
Wabco 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=49553647&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2943378(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Wabco GmbH filed Critical Wabco GmbH
Publication of EP2943378A1 publication Critical patent/EP2943378A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/17—Using electrical or electronic regulation means to control braking
    • B60T8/171—Detecting parameters used in the regulation; Measuring values used in the regulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/88—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means
    • B60T8/885—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means using electrical circuitry
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T2270/00—Further aspects of brake control systems not otherwise provided for
    • B60T2270/40—Failsafe aspects of brake control systems
    • B60T2270/413—Plausibility monitoring, cross check, redundancy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T2270/00—Further aspects of brake control systems not otherwise provided for
    • B60T2270/40—Failsafe aspects of brake control systems
    • B60T2270/416—Wheel speed sensor failure

Definitions

  • Control unit for controlling a brake system of a vehicle
  • the invention relates to a control device for controlling a brake system according to the preamble of claim 1. Furthermore, the invention relates to a speed sensor arrangement with a speed sensor and with such a control device according to the preamble of claim 5. Furthermore, the invention relates to a brake system and a vehicle with the control unit or Finally, the invention relates to a method for speed sensing according to the preamble of claim 10.
  • the invention relates to the monitoring of an air gap between an active speed sensor and a pole wheel or encoder.
  • the pole wheel is arranged on a wheel of the vehicle and rotates together with the wheel, so that it can be concluded from the rotational speed of the pole wheel to the rotational speed of the wheel.
  • an analog signal which is a measure of the air gap, digitized with a 3-bit encoding and provided to a controller.
  • the word width with which, for example, the magnetic air gap field strength can be transmitted from the rotational speed sensor to the control unit can be 4 bits.
  • the control unit can track the temporal course of the air gap field strength with increased resolution and, if necessary, further evaluate it. In particular, this approach aims at
  • DE 102 03 483 A1 to detect dynamic changes in the air gap and to use for determining driving conditions in a braking and / or vehicle dynamics control. Furthermore, the observation of the current air gap according to DE 102 03 483 A1 can also be used as a measure of the transverse acceleration acting on the wheel or the wheel bearing temperature. At the control unit thus only changes in the air gap are evaluated, which are caused by the position of the pole wheel. The correct position of the speed sensor, however, continues to be monitored in a simple manner by means of the speed sensor.
  • the invention is, after all, the object of improving the air gap monitoring in the speed sensing means of an active speed sensor.
  • the invention solves this problem with a control device according to claim 1, with a speed sensor arrangement according to claim 5, with a brake system according to claim 8, with a vehicle according to claim 9 and with a method according to claim 10.
  • the controller has a receiving circuit for picking up and processing the digital signal provided by the active speed sensor for measuring speed on the wheel of the vehicle.
  • This digital signal contains a Speed information about the speed of the spaced apart by an air gap in front of the speed sensor arranged and rotating with the wheel pole wheel.
  • this digital signal comprises a multi-level digitized and multiple bit actual air gap value, which is a measure of the current air gap between the flywheel and the speed sensor.
  • the actual air gap value may directly be a distance value, but may alternatively also be another value, for example a field strength value, from which the air gap can be determined. In any event, the actual air gap value is a measure of the actual air gap between the flywheel and the speed sensor.
  • the receiving circuit is further preferably designed to determine the rotational speed or the rotational frequency of the pole wheel from the rotational speed information.
  • control unit has a comparison circuit which is designed to compare the actual air gap value with a desired air gap value.
  • a computing device of the control device is designed in such a way that this computing device comprises this comparison circuit and optionally further circuits mentioned below.
  • the comparison circuit is designed to determine whether the actual air gap value exceeds the desired air gap value by more than a defined tolerance value.
  • control unit has an information circuit for generating and providing prewarning information if the comparison circuit has determined that the actual air gap value exceeds the setpoint air gap value by more than the tolerance value.
  • the prewarning information is generated and provided in response to determining that the actual air gap value exceeds the desired air gap value by more than the tolerance value.
  • the defined tolerance value is 0 in accordance with a preferred variant, so that any known deviation of the actual air gap value from the desired air gap value generates prewarning information. According to an alternative variant, however, the tolerance value is a value other than 0, so that small deviations of the actual air gap value from the desired air gap value are tolerated without any advance warning information being generated.
  • the invention enables multi-stage monitoring of the correct position of the speed sensor.
  • the control unit detects slipping of the speed sensor already, if the speed sensor still delivers correct values. Therefore, a slippage of the speed sensor can be detected early and rectified. the.
  • the invention therefore enables the clamping of an active speed sensor similar or analogous to the known terminals of a passive or inductive speed sensor. If the active speed sensor shifts, for example, as a result of shocks, this is signaled leading and can be reversed in a workshop, for example. By simply pressing the speed sensor. A complete failure of the speed sensor can thus be avoided in most cases, which increases safety during operation of the vehicle.
  • the speed sensor arrangement according to the invention, the brake system according to the invention and the vehicle according to the invention each have the control unit according to the invention.
  • method steps are carried out by means of the control unit or by means of the speed sensor arrangement in accordance with the purpose or the design of the control unit or the speed sensor arrangement.
  • the advantages according to the invention of the speed sensor arrangement, the brake system, the vehicle and the method are analogous to the advantages of the control unit according to the invention. Particularly advantageous is the interaction of the control unit with the other features of the speed sensor assembly, the brake system and the vehicle.
  • the comparison circuit of the control device is designed to compare the actual air gap value with a limit air gap value.
  • the comparison circuit can determine whether the actual air gap value reaches or exceeds the limit air gap value.
  • the limit air gap value is a critical value at which data or information from the corresponding speed sensor should no longer be used.
  • the information circuit is therefore designed according to this embodiment for generating and providing an error information when the comparison circuit has determined that the actual air gap value reaches or exceeds the limit air gap value.
  • the information circuit for generating and providing the error information is formed when the comparison circuit has determined that the actual air gap value is the desired air gap value exceeds by more than the tolerance value and reaches or exceeds the limit air gap value.
  • the comparison circuit only performs the comparison of the actual air gap value with the limit air gap value if it was previously recognized that the actual air gap value exceeds the setpoint air gap value by more than the tolerance value or deviates from the actual air gap value.
  • the invention makes it possible to distinguish between still tolerable and no longer tolerable deviations of the actual air gap value from the desired air gap value or for generating advance warning information and / or error information as a function of the determined air gap between the rotational speed sensor and the pole wheel.
  • the limit air gap value is determined as a function of the desired air gap value and thus given by a defined difference value similar to the defined tolerance value. According to an alternative variant, the limit air gap value is determined independently of the desired air gap value.
  • the information circuit is designed to generate and provide built-in information.
  • This installation information includes the information as to whether the installation of the speed sensor has been determined to be correct or incorrect. Therefore, according to this embodiment, the comparison circuit is designed to detect the installation of the rotational speed sensor as correct by comparing the actual air gap value with a default air gap value or with an interval of default air gap values if the actual air gap value corresponds to the default air gap value or is within the range of the default air gap values, and otherwise recognizable as incorrect.
  • the invention enables an automatic recognition of the correct installation position by means of the control device during the production of the vehicle or during or after assembly, for example at the end of a production belt.
  • the installation information thus includes an evaluation of the currently determined actual air gap value, which, however, may additionally be contained in the installation information.
  • the information circuit is designed as an alternative or in addition to generating and providing further installation information which contains the actual air gap value. Thanks to this embodiment of the invention, at or after the manufacture of the vehicle, for example. At the end of the tape, read and provided by means of a diagnostic device of the control unit determined and provided digital measurement of the air gap or the actual air gap value and are displayed, so that manually or by means Software can be detected on the diagnostic device, whether the speed sensor is installed correctly.
  • the control unit has an initialization circuit for setting the desired air gap value to the current actual air gap value, in particular in response to a recognized as correct installation of the speed sensor, and a memory circuit for storing the desired air gap value. Thanks to the initialization circuit, the nominal air gap value can be determined during production or in response to a diagnosis at the end of a production belt and, thanks to the memory circuit, stored in particular in a data memory. The comparison circuit therefore makes comparisons relative to the nominal air gap value recognized as correct.
  • the desired air gap value is set to a predefined value. This may be useful, in particular, if the defined tolerance value is a value other than 0, and it has merely been checked during production that the actual air gap value lies within an interval of default air gap values.
  • a standardized data protocol for example the so-called AK protocol
  • Speed pulses are thereby transmitted at a first level, the distance between the speed pulses or their frequency providing information about the rotational speed or rotational frequency of the pole wheel.
  • a data log is transmitted at a second level, which is reduced from the first level.
  • the data protocol has a first bit sequence with information and an adjoining second bit sequence with additional information. This additional information preferably includes the actual air gap value.
  • the actual air gap value is preferably one word width ⁇ transmit 3 or 4 bits in the digital signal or in the additional information. These 3 or 4 bits are free bits to which certain information can be freely assigned.
  • the first bit sequence is set with the information for compatibility reasons.
  • the data or bits are determined either by the amplitude of the signal or preferably by the rise or fall of pulse edges.
  • the data is transmitted encoded in a different manner, for example by means of pulse width modulation (PWM).
  • PWM pulse width modulation
  • the receiving circuit is preferably designed to determine the rotational speed from the frequency of the arrival of angular pulses, which are received at a first level, and to determine the actual air gap value from a respective data protocol received after a rotational speed pulse having a second level. Furthermore, the control unit is preferably designed to read out the actual air gap value from 3 or 4 bits in the digital signal.
  • the speed sensor arrangement according to the invention has, in addition to the control unit, the active speed sensor and a data interface for transmitting the digital signal from the active speed sensor to the control unit.
  • the data interface is, for example, a two-wire line, which is preferably twisted. The data interface therefore resembles a data interface to a known passive speed sensor.
  • the active speed sensor has an active sensor element for actively sensing the rotation of the separate from the air gap disposed in front of the speed sensor and rotating with the edge of the pole wheel.
  • the active rotational speed sensor preferably has an air splitter detection circuit for determining an analog measured value, which is a measure of the current air gap between the pole wheel and the rotational speed sensor, and for digitizing the analog measured value in multiple stages by the digital, multiple bit, actual air gap value to generate.
  • the active speed sensor has a transmission circuit for providing the digital signal containing a speed information about the speed of the pole wheel and the actual air gap value.
  • the speed sensor for speed measurement, in particular by means of a clamping bush, in any radial orientation and / or axially displaceable formed in a holding opening in front of the pole wheel clamped or is clamped in front of the pinch wheel and there scans the speed from the pole wheel.
  • the active sensor element is preferably designed such that the active rotational speed sensor automatically detects its radial orientation.
  • the active speed sensor can therefore be clamped in the retaining opening analogous to a known inductive or passive speed sensor.
  • the speed sensor arrangement is designed such that the speed sensor can be supplied with electrical energy via the data interface. Via the data line, in particular the twisted pair cable, therefore, no additional line for electrical power supply needs to be provided.
  • the brake system is, for example, a pneumatic brake system with brake cylinders, which can be pneumatically operated to brake the wheels of the vehicle, which has this brake system.
  • the speed information is used, for example, for automatic braking interventions in an anti-lock function or in an electronic stability program.
  • the vehicle is in particular a motor vehicle with an engine. Further, the vehicle is preferably a utility vehicle that can carry or pull a load.
  • the vehicle has wheels that can be braked by means of a brake system, which may be the brake system according to the invention.
  • the vehicle has the control unit according to the invention or the speed sensor arrangement according to the invention.
  • FIG. 1 shows a vehicle with a brake system having a sensor arrangement with a control unit, according to an embodiment of the invention in a simplified schematic representation, taking into account only selected components
  • Fig. 2 is a block diagram of the control unit of the embodiment of FIG. 1 with signal paths and
  • Fig. 3 is a block diagram of the speed sensor of the embodiment of FIG. 1 with signal paths.
  • Fig. 1 shows a simplified Kunchendargna a vehicle 1, which is preferably designed as a commercial vehicle motor vehicle.
  • vehicle 1 has a wheel 2 and other wheels and components of a vehicle, which are not shown here.
  • the vehicle 1 can be braked or detected.
  • a brake cylinder 6 is arranged on the wheel 2, which can be pneumatically actuated by a brake modulator 10 via a compressed air line 8, in deviation from the embodiment shown, however, hydraulically.
  • the brake modulator 10 is controlled via an electrical control line 12 by a control unit 14.
  • the control unit 14 preferably controls the braking modulator 10 as a function of an electrical braking request signal, which is generated directly or indirectly by the actuation of a brake pedal and provided to the control unit 14.
  • the brake modulator 10 can be provided with different sensor signals, for example a sensed pressure in the compressed air line 8.
  • the control unit 14 Via a data interface 16, which is preferably designed as a twisted pair cable, the control unit 14 is connected to a speed sensor 18.
  • the control unit 14, the data interface 16 and the rotational speed sensor 18 may together with other components form a sensor arrangement 20.
  • the speed sensor 18 is arranged in the region of the wheel 2 in front of a counter-rotating with the wheel 2 Polrad 22, but spaced by an air gap 24 from the flywheel 22.
  • the pole wheel 22 is, for example, a steel gear or a wheel with a permanent magnetic structure, so that in the speed sensor 18, a signal voltage can be generated.
  • the speed sensor 18 is clamped in any radial orientation and axially displaceable against a clamping force by means of a clamping bush 26 in a holding opening 28 which is provided by a special holding device or by means of a bore. For mounting the speed sensor 18, it is therefore sufficient to insert the clamping bush 26 and subsequently the speed sensor 18 into the holding opening 28.
  • Speed pulses and other data are transmitted to the control unit 14 via the data interface 16. Furthermore, the speed sensor 18 is supplied with electrical energy by the control unit 14 via the same data interface 16. Corresponding arrangements can also be provided for the other wheels of the vehicle 1, not shown here.
  • FIG. 2 shows a block diagram of the control device 14 of the exemplary embodiment according to FIG. 1 and internal signal paths between devices of the control device 14. Via the data interface 16 according to FIG. 1, a digital signal 30 is provided to the control device 14.
  • the digital signal 30 contains an actual air gap value 32 generated by means of the speed sensor 18 according to FIG. 1, which is a measure for the air gap 24.
  • the digital signal 30 contains a rotational speed information 34.
  • a receiving circuit 36 of the control unit 14 is designed to determine from the rotational speed information 34 in the digital signal 30 a speed value 38 or the rotational speed of the pole wheel 22 and thus of the wheel 2 and to provide a brake control 40 which optionally generates braking control signals 42 taking into account the rotational speed value 38 and can provide the braking modulator 10 via the electrical control line 12 according to FIG. 1.
  • the receiving circuit 36 is further configured to extract the actual air gap value 32 from the digital signal 30 and both a comparison circuit 44 of the control unit 14 and an initialization circuit 46 of the control unit 14 to provide.
  • control unit 14 has a memory circuit 48 with a memory 50 and an information circuit 52.
  • the memory 50 is a data memory in which various predefined comparison values are stored or in which corresponding values can be stored by means of the memory circuit 48.
  • a predefined default air gap value 54 is stored, which is read out of the memory 50 from the comparator 44 and compared with the actual air gap value 32 to after manufacture and before delivery of the vehicle 1, the correct position of the speed sensor 18 before To control the pulley 22.
  • an interval of default air gap values 54 is read out of the memory 50 by means of the comparison circuit 44.
  • the information circuit 52 If the actual air gap value 32 is within this interval, the mounting position of the speed sensor is detected as correct, so that the information circuit 52 generates an installation information 56, after which the position of the speed sensor 18 has been recognized as correct.
  • This build-in information 56 is also provided to the initialization circuit 46, which in response writes the actual air gap value 32 to the memory 50 as the new desired air gap value 60 by means of the memory circuit 48.
  • the measured air gap 24 is further provided.
  • the nominal air gap value 60 is used in the normal operation of the vehicle 1 or the brake system 4 or of the control unit 14 of the comparison circuit 44 for comparing with the actual air gap value 32 to a difference, which is also read from a memory 50 also from the memory Tolerance value 62 is to allow the information circuit 52 to provide a Vorwarn- information 64 when the comparison circuit 44 has determined that the actual air gap value 32 exceeds the target air gap value 60 by more than the tolerance value 62 ü-.
  • the tolerance value 62 is not stored in the memory 50.
  • the invention determines a deviation of the actual air gap value from the desired air gap value 60 in order to generate the advance warning information 64 in response thereto.
  • a warning lamp in the cab of the vehicle 1 is driven to signal a driver of the vehicle 1 to visit a workshop.
  • the speed sensor 18 can again be pressed into a suitable position, which, for example, by means of the first installation information 58, which can be preferably read by a diagnostic device, is controlled.
  • the initialization circuit 46 sets the desired air gap value 60 either automatically or by manual activation subsequent to the current actual air gap value 32.
  • the information circuit 52 alternatively or in addition to the prewarning information 64 generates an error information 68 , which is provided for driving a warning light and the brake control 40.
  • the brake controller 40 takes this error information 68 into account in deciding whether the speed value 38 can still be taken into account or, in response to the error information 68, does not consider the speed value 38 subsequently.
  • Fig. 3 shows the speed sensor 18 of the embodiment of FIG. 1 with its devices in a representation as a block diagram, in which internal signal paths are shown.
  • the speed sensor 18 is an active speed sensor having an active sensing element 70 with passive transducers.
  • the active sensor element 70 For sensing the position or rotation of the pole wheel 22, the active sensor element 70 requires an auxiliary voltage, which is provided indirectly via the data interface 16 according to FIG.
  • the active sensor element 70 comprises, for example, a Hall element or a magnetoresistive bridge.
  • the active sensor element 70 provides, in particular repeatedly, an analog measurement value 72 which is fed to an air gap detection circuit 74 of the speed sensor 18. Alternatively or additionally, the active sensor element 70 directly provides digital measured values.
  • the Lucasspalterkennungsscrien 74 determined from the analog measured value 72 or by multi-level digitizing the actual air gap value 32, preferably with a word width of 3 or 4 bits.
  • the actual air gap value 32 is provided in the digital signal 30 and can be supplied via the data interface 16 to the control unit 14.

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)
  • Regulating Braking Force (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)

Abstract

L'invention concerne un dispositif (14) de commande d'un système de freinage d'un véhicule (1). Le dispositif de commande (14) comporte un circuit de réception servant à acquérir et traiter un signal numérique (30), fourni par un capteur de vitesse de rotation (18) actif servant à mesurer la vitesse de rotation d'une roue (2) du véhicule à moteur (1), qui contient une information de vitesse de rotation (34) d'une roue polaire (22) disposée avec un entrefer (24) devant le capteur de vitesse de rotation (18) et tournant avec la roue (2) ainsi qu'une valeur d'entrefer réel (32), numérisée en plusieurs étapes et comprenant plusieurs bits, qui correspond à l'entrefer (24) actuel mesuré entre la roue polaire (22) et le capteur de vitesse de rotation (18). En outre, le dispositif de commande (14) comporte un circuit de comparaison (44) servant à comparer la valeur d'entrefer réel (32) à une valeur d'entrefer théorique (60) et à déterminer si la valeur d'entrefer réel (32) dépasse la valeur d'entrefer théorique (60) de plus d'une valeur de tolérance (62) définie. Le dispositif de commande (14) comporte également un circuit d'information (52) servant à générer et délivrer une information de pré-alerte (64) lorsque le circuit de comparaison (44) détermine que la valeur d'entrefer réel (32) dépasse la valeur d'entrefer théorique (60) de plus de la valeur de tolérance (62). L'invention concerne en outre un agencement de capteur de vitesse de rotation (20), un système de freinage (4) et un véhicule (1) équipés du dispositif de commande (14), ainsi qu'un procédé de mesure réalisable avec ce dispositif.
EP13788890.5A 2013-01-08 2013-10-31 Dispositif de commande d'un système de freinage d'un véhicule, agencement de capteur de vitesse de rotation, système de freinage et véhicule équipés de ce dispositif, ainsi que procédé de détection de vitesse de rotation réalisable avec ce dispositif Withdrawn EP2943378A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013000205.2A DE102013000205A1 (de) 2013-01-08 2013-01-08 Steuergerät zur Steuerung einer Bremsanlage eines Fahrzeugs, Drehzahlsensoranordnung, Bremsanlage und Fahrzeug damit sowie damit durchführbares Verfahren zur Drehzahlsensierung
PCT/EP2013/003282 WO2014108146A1 (fr) 2013-01-08 2013-10-31 Dispositif de commande d'un système de freinage d'un véhicule, agencement de capteur de vitesse de rotation, système de freinage et véhicule équipés de ce dispositif, ainsi que procédé de détection de vitesse de rotation réalisable avec ce dispositif

Publications (1)

Publication Number Publication Date
EP2943378A1 true EP2943378A1 (fr) 2015-11-18

Family

ID=49553647

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13788890.5A Withdrawn EP2943378A1 (fr) 2013-01-08 2013-10-31 Dispositif de commande d'un système de freinage d'un véhicule, agencement de capteur de vitesse de rotation, système de freinage et véhicule équipés de ce dispositif, ainsi que procédé de détection de vitesse de rotation réalisable avec ce dispositif

Country Status (6)

Country Link
US (1) US9457775B2 (fr)
EP (1) EP2943378A1 (fr)
JP (1) JP6244373B2 (fr)
CN (1) CN104903166B (fr)
DE (1) DE102013000205A1 (fr)
WO (1) WO2014108146A1 (fr)

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CN114088128B (zh) * 2021-11-22 2023-11-17 中国联合网络通信集团有限公司 一种传感器确定方法、装置、存储介质及设备

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JP2016508225A (ja) 2016-03-17
US9457775B2 (en) 2016-10-04
US20150367821A1 (en) 2015-12-24
WO2014108146A1 (fr) 2014-07-17
CN104903166A (zh) 2015-09-09
CN104903166B (zh) 2017-11-03
JP6244373B2 (ja) 2017-12-06
DE102013000205A1 (de) 2014-07-10

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