GB1562741A - Method and apparatus for monitoring the functionality of an electrical speed transducer - Google Patents

Method and apparatus for monitoring the functionality of an electrical speed transducer Download PDF

Info

Publication number
GB1562741A
GB1562741A GB44183/76A GB4418376A GB1562741A GB 1562741 A GB1562741 A GB 1562741A GB 44183/76 A GB44183/76 A GB 44183/76A GB 4418376 A GB4418376 A GB 4418376A GB 1562741 A GB1562741 A GB 1562741A
Authority
GB
United Kingdom
Prior art keywords
pulse
duration
counter
limit value
error signal
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.)
Expired
Application number
GB44183/76A
Other languages
English (en)
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.)
Robert Bosch GmbH
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
Priority claimed from DE19752547869 external-priority patent/DE2547869C2/de
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of GB1562741A publication Critical patent/GB1562741A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T8/00Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32Arrangements 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
    • B60T8/88Arrangements 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
    • B60T8/885Arrangements 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P21/00Testing or calibrating of apparatus or devices covered by the preceding groups
    • G01P21/02Testing or calibrating of apparatus or devices covered by the preceding groups of speedometers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42Devices characterised by the use of electric or magnetic means
    • G01P3/56Devices characterised by the use of electric or magnetic means for comparing two speeds
    • G01P3/60Devices characterised by the use of electric or magnetic means for comparing two speeds by measuring or comparing frequency of generated currents or voltages
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T2270/00Further aspects of brake control systems not otherwise provided for
    • B60T2270/40Failsafe aspects of brake control systems
    • B60T2270/406Test-mode; Self-diagnosis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T2270/00Further aspects of brake control systems not otherwise provided for
    • B60T2270/40Failsafe aspects of brake control systems
    • B60T2270/416Wheel speed sensor failure

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Regulating Braking Force (AREA)
GB44183/76A 1975-10-25 1976-10-25 Method and apparatus for monitoring the functionality of an electrical speed transducer Expired GB1562741A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752547869 DE2547869C2 (de) 1975-10-25 Verfahren und Schaltungsanordnung zur Überprüfung der Funktionstüchtigkeit eines elektrischen Drehzahlgebers

Publications (1)

Publication Number Publication Date
GB1562741A true GB1562741A (en) 1980-03-12

Family

ID=5960102

Family Applications (1)

Application Number Title Priority Date Filing Date
GB44183/76A Expired GB1562741A (en) 1975-10-25 1976-10-25 Method and apparatus for monitoring the functionality of an electrical speed transducer

Country Status (3)

Country Link
US (1) US4092853A (enExample)
FR (1) FR2328967A1 (enExample)
GB (1) GB1562741A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2337596A (en) * 1998-05-18 1999-11-24 Eurocopter France A detection device where a single measured value delivered which lies within a first and second measurement range corresponds to an actual measurement

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2015746B (en) * 1978-02-28 1982-07-28 Girling Ltd Speed sensors
US4428224A (en) 1979-03-23 1984-01-31 Sun Electric Corporation Apparatus and method for testing of a rotary movement-electrical signal transducer system
DE3126102A1 (de) * 1981-07-02 1983-01-20 Robert Bosch Gmbh, 7000 Stuttgart Antiblockierregelsystem
JPS61193961A (ja) * 1985-02-25 1986-08-28 Nippon Denso Co Ltd 回転速度センサの異常検出装置
DE3513937A1 (de) * 1985-04-18 1986-10-23 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur ueberwachung eines drehzahlgeber-signals
JPH077002B2 (ja) * 1987-06-02 1995-01-30 トヨタ自動車株式会社 回転数センサ異常検出装置
GB2241123B (en) * 1990-02-16 1993-09-29 Teves Gmbh Alfred Circuit arrangement for an anti-lock-controlled vehicle brake system
DE4014315A1 (de) * 1990-05-04 1991-11-07 Bosch Gmbh Robert Ueberwachungseinrichtung fuer eine digitale frequenzmesseinrichtung
GB2245038B (en) * 1990-06-07 1994-03-23 Toyota Motor Co Ltd Device for detecting accumulator fluid leakage through control valve and restoring proper valve seating
DE4122016A1 (de) * 1991-07-03 1993-01-21 Hella Kg Hueck & Co Antiblockierregelsystem
US5492008A (en) * 1994-03-18 1996-02-20 Kelsey-Hayes Company Method and system for testing vehicular antilock brake system components
JP2867901B2 (ja) * 1994-12-05 1999-03-10 住友電気工業株式会社 Abs用マイクロコンピュータの故障検出装置
JP4964358B2 (ja) * 1999-12-07 2012-06-27 株式会社デンソー 回転センサの検出信号処理装置および回転センサの検出信号出力方法
DE10312208B3 (de) * 2003-03-19 2004-07-01 Lucas Automotive Gmbh Verfahren und Vorrichtung zum Erfassen einer Drehzahl, insbesondere einer Raddrehzahl eines Kraftfahrzeugs
FR3067471B1 (fr) 2017-06-07 2019-10-11 Safran Landing Systems Equipement electrique destine a etre relie a un tachymetre
US12189461B2 (en) * 2022-12-09 2025-01-07 Baker Hughes Holdings Llc Enhanced transducer fault detection

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2985828A (en) * 1959-08-19 1961-05-23 Itt Pulse width evaluating system
US3500375A (en) * 1967-02-21 1970-03-10 Trw Inc Digital overspeed detector
GB1362871A (en) * 1971-10-07 1974-08-07 Creed Co Ltd Printing telegraph machine
DE2253867C3 (de) * 1972-11-03 1981-04-16 Robert Bosch Gmbh, 7000 Stuttgart Überwachungsschaltung für Antiblockierregelsysteme
US3920284A (en) * 1974-05-10 1975-11-18 Eaton Corp Monitoring circuitry for a skid control system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2337596A (en) * 1998-05-18 1999-11-24 Eurocopter France A detection device where a single measured value delivered which lies within a first and second measurement range corresponds to an actual measurement
GB2337596B (en) * 1998-05-18 2002-05-15 Eurocopter France Detection device with fault detection capability

Also Published As

Publication number Publication date
DE2547869B1 (de) 1977-04-28
FR2328967B1 (enExample) 1982-08-13
FR2328967A1 (fr) 1977-05-20
US4092853A (en) 1978-06-06

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19931025