JPS5741709A - Operation monitor device - Google Patents

Operation monitor device

Info

Publication number
JPS5741709A
JPS5741709A JP55116601A JP11660180A JPS5741709A JP S5741709 A JPS5741709 A JP S5741709A JP 55116601 A JP55116601 A JP 55116601A JP 11660180 A JP11660180 A JP 11660180A JP S5741709 A JPS5741709 A JP S5741709A
Authority
JP
Japan
Prior art keywords
point
change
real
counters
detecting
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.)
Pending
Application number
JP55116601A
Other languages
Japanese (ja)
Inventor
Tsutomu Suzuki
Manabu Ajioka
Norihiko Nakamura
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP55116601A priority Critical patent/JPS5741709A/en
Publication of JPS5741709A publication Critical patent/JPS5741709A/en
Pending 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Testing And Monitoring For Control Systems (AREA)

Abstract

PURPOSE:Not only to increase the general-purpose properties but to realize the simplified constitution of an operation monitor device, by carrying out the monitoring by detecting the point of change of the real operation signal and then comparing it with the point of change of the reference operation which is previously stored. CONSTITUTION:At first, the counters and detecting circuits are all reset. Then each counter starts to count clocks 6 and 7 from t=0. The clock pulse 7 for reference operation has a shorter period than the clock pulse 6 for real operation, and accordingly a pointer counter 13 reaches its count value before a real operation counter 11 reaches the real point of change. Thus the changing point of state is read out of a reference operation memory 4, and a reference operation transient detecting circuit 15 is set. At the same time, the clocks to be supplied to the counters 12 and 13 are prevented to preserve the count value. When the point of change of real operation is detected, a detecting circuit 10 is set. Then a comparison is carried out for the count values between the counters 11 and 12 through a deciding circuit 5. Both the circuits are set and then reset by a circuit 16, and this action is repeated.
JP55116601A 1980-08-22 1980-08-22 Operation monitor device Pending JPS5741709A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55116601A JPS5741709A (en) 1980-08-22 1980-08-22 Operation monitor device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55116601A JPS5741709A (en) 1980-08-22 1980-08-22 Operation monitor device

Publications (1)

Publication Number Publication Date
JPS5741709A true JPS5741709A (en) 1982-03-09

Family

ID=14691192

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55116601A Pending JPS5741709A (en) 1980-08-22 1980-08-22 Operation monitor device

Country Status (1)

Country Link
JP (1) JPS5741709A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6188310A (en) * 1984-10-04 1986-05-06 Mitsubishi Electric Corp Operation congestion supervisory system in sequence control
JPS62179200U (en) * 1986-04-28 1987-11-13

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6188310A (en) * 1984-10-04 1986-05-06 Mitsubishi Electric Corp Operation congestion supervisory system in sequence control
JPS62179200U (en) * 1986-04-28 1987-11-13

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