GB2226888A - Abnormality detecting system for electric circuits - Google Patents

Abnormality detecting system for electric circuits Download PDF

Info

Publication number
GB2226888A
GB2226888A GB8928696A GB8928696A GB2226888A GB 2226888 A GB2226888 A GB 2226888A GB 8928696 A GB8928696 A GB 8928696A GB 8928696 A GB8928696 A GB 8928696A GB 2226888 A GB2226888 A GB 2226888A
Authority
GB
United Kingdom
Prior art keywords
current
operating circuits
time
control signal
dtd
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Withdrawn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
GB8928696A
Other languages
English (en)
Other versions
GB8928696D0 (en
Inventor
Kazuyuki Tazawa
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.)
Subaru Corp
Original Assignee
Fuji Jukogyo KK
Fuji Heavy Industries Ltd
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 JP63324142A external-priority patent/JPH02168172A/ja
Priority claimed from JP63324143A external-priority patent/JPH02168173A/ja
Application filed by Fuji Jukogyo KK, Fuji Heavy Industries Ltd filed Critical Fuji Jukogyo KK
Publication of GB8928696D0 publication Critical patent/GB8928696D0/en
Publication of GB2226888A publication Critical patent/GB2226888A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00—Testing or monitoring of control systems or parts thereof
    • G05B23/02—Electric testing or monitoring
    • G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
    • G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
    • G05B23/0224—Process history based detection method, e.g. whereby history implies the availability of large amounts of data
    • G05B23/0227—Qualitative history assessment, whereby the type of data acted upon, e.g. waveforms, images or patterns, is not relevant, e.g. rule based assessment; if-then decisions
    • G05B23/0235—Qualitative history assessment, whereby the type of data acted upon, e.g. waveforms, images or patterns, is not relevant, e.g. rule based assessment; if-then decisions based on a comparison with predetermined threshold or range, e.g. "classical methods", carried out during normal operation; threshold adaptation or choice; when or how to compare with the threshold
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G01R19/252—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques using analogue/digital converters of the type with conversion of voltage or current into frequency and measuring of this frequency

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
GB8928696A 1988-12-21 1989-12-20 Abnormality detecting system for electric circuits Withdrawn GB2226888A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63324142A JPH02168172A (ja) 1988-12-21 1988-12-21 電気回路の異常検出装置
JP63324143A JPH02168173A (ja) 1988-12-21 1988-12-21 電気回路の異常検出装置

Publications (2)

Publication Number Publication Date
GB8928696D0 GB8928696D0 (en) 1990-02-28
GB2226888A true GB2226888A (en) 1990-07-11

Family

ID=26571392

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8928696A Withdrawn GB2226888A (en) 1988-12-21 1989-12-20 Abnormality detecting system for electric circuits

Country Status (2)

Country Link
DE (1) DE3942167A1 (enrdf_load_stackoverflow)
GB (1) GB2226888A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2255645A (en) * 1991-05-10 1992-11-11 Electronic Components Ltd Current sensing device

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4115630A1 (de) * 1991-05-14 1992-11-19 Ako Werke Gmbh & Co Schaltungsanordnung zur ueberwachung eines weidezaunes
DE19549710C2 (de) * 1994-09-16 2003-07-03 Hitachi Ltd Auswertevorrichtung für Sensoren und Stellglieder
JPH0886241A (ja) * 1994-09-16 1996-04-02 Hitachi Ltd センサ及びアクチュエータの駆動装置
DE4434179A1 (de) * 1994-09-24 1996-03-28 Teves Gmbh Alfred Schaltungsanordnung zur Überwachung einer Steuerschaltung
CH689879A5 (de) * 1994-10-17 1999-12-31 Landis & Gyr Tech Innovat Steuereinrichtung zur Betätigung von Schalteinrichtungen.
DE19526435B4 (de) * 1995-06-01 2004-07-22 Continental Teves Ag & Co. Ohg Schaltungsanordnung zur Fehlerstromerkennung
DE19938779B4 (de) * 1999-08-16 2007-06-21 Siemens Ag Schaltung und Verfahren zur Bestimmung des Offsetfehlers bei einer offsetfehlerbehafteten Messung des Spulenstroms eines elektromagnetischen Stellgerätes
JP2001121974A (ja) * 1999-10-29 2001-05-08 Honda Motor Co Ltd 車両走行用モータの制御用電流検出装置
DE10060490A1 (de) * 2000-12-06 2002-06-13 Hella Kg Hueck & Co Einrichtung zur Überwachung eines Bordnetzes eines Fahrzeuges
DE102004023577A1 (de) * 2004-05-13 2005-12-08 Adam Opel Ag Überwachungsvorrichtung in einem Kraftfahrzeug
KR101840084B1 (ko) 2014-01-24 2018-03-19 엘에스산전 주식회사 전동기 제어 장치 및 방법

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3429854A1 (de) * 1983-08-23 1985-03-14 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Gleichspannungs-messeinrichtung mit offsetspannungskompensation
DE3544095A1 (de) * 1985-12-13 1987-06-19 Hydrotechnik Gmbh Vorrichtung zum kalibrieren von analogen echtzeitsignalen
DE3708892C2 (de) * 1987-03-19 1994-03-03 Heidelberger Druckmasch Ag Strommeßeinrichtung, insbesondere zur Bestimmung des Motorstroms eines Gleichstrommotors

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2255645A (en) * 1991-05-10 1992-11-11 Electronic Components Ltd Current sensing device

Also Published As

Publication number Publication date
GB8928696D0 (en) 1990-02-28
DE3942167A1 (de) 1990-06-28
DE3942167C2 (enrdf_load_stackoverflow) 1992-10-22

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Legal Events

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WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)