JPS61125612A - サ−ボシステムの異常検出装置 - Google Patents

サ−ボシステムの異常検出装置

Info

Publication number
JPS61125612A
JPS61125612A JP59246159A JP24615984A JPS61125612A JP S61125612 A JPS61125612 A JP S61125612A JP 59246159 A JP59246159 A JP 59246159A JP 24615984 A JP24615984 A JP 24615984A JP S61125612 A JPS61125612 A JP S61125612A
Authority
JP
Japan
Prior art keywords
signal
servo system
differentiator
output
servo motor
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.)
Granted
Application number
JP59246159A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0447321B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Katsunaga Ogushi
尾串　勝永
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.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery Co 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
Application filed by Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP59246159A priority Critical patent/JPS61125612A/ja
Publication of JPS61125612A publication Critical patent/JPS61125612A/ja
Publication of JPH0447321B2 publication Critical patent/JPH0447321B2/ja
Granted 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)
  • Tests Of Electronic Circuits (AREA)
  • Testing And Monitoring For Control Systems (AREA)
JP59246159A 1984-11-22 1984-11-22 サ−ボシステムの異常検出装置 Granted JPS61125612A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59246159A JPS61125612A (ja) 1984-11-22 1984-11-22 サ−ボシステムの異常検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59246159A JPS61125612A (ja) 1984-11-22 1984-11-22 サ−ボシステムの異常検出装置

Publications (2)

Publication Number Publication Date
JPS61125612A true JPS61125612A (ja) 1986-06-13
JPH0447321B2 JPH0447321B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-08-03

Family

ID=17144373

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59246159A Granted JPS61125612A (ja) 1984-11-22 1984-11-22 サ−ボシステムの異常検出装置

Country Status (1)

Country Link
JP (1) JPS61125612A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03235686A (ja) * 1990-02-09 1991-10-21 Matsushita Electric Ind Co Ltd モータ制御装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03235686A (ja) * 1990-02-09 1991-10-21 Matsushita Electric Ind Co Ltd モータ制御装置

Also Published As

Publication number Publication date
JPH0447321B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-08-03

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