ABNORMALITY DIAGNOSTIC METHOD FOR DRIVING SYSTEM OF MACHINE DEVICE

PROBLEM TO BE SOLVED: To monitor, and predict or forecast abnormality macroscopically in its early stage by monitoring the waveform of the primary-side composite electric power of supplied electric power. SOLUTION: An electric power system has servomotors 3 (x axis 3x, y axis 3y, and z axis 3z), an...

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Hauptverfasser:	TAKAMUNE YUJI, FUJITA KAZUHIRO, KIKUTA TSUTOMU, RYU KOJI, IIZUKA HITOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS FUNCTIONAL ELEMENTS OF SUCH SYSTEMS GENERATION MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PHYSICS REGULATING
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creator	TAKAMUNE YUJI FUJITA KAZUHIRO KIKUTA TSUTOMU RYU KOJI IIZUKA HITOSHI
description	PROBLEM TO BE SOLVED: To monitor, and predict or forecast abnormality macroscopically in its early stage by monitoring the waveform of the primary-side composite electric power of supplied electric power. SOLUTION: An electric power system has servomotors 3 (x axis 3x, y axis 3y, and z axis 3z), an axis disconnection unit 23, a servoamplifier 20, a DC power unit (AC/DC converter) 24, an electromagnetic on/off relay(MCCR) 25, and a voltage converting transformer 26; and the transformer 26 corresponds to a subunit controller 22 and the secondary side branched from the transformer 26 corresponds to a unit controller 21. To measure electric power waveforms, electric power waveforms of (1) the servomotor 3 itself, (2) the axis disconnection unit 23, (3) DC power unit 25, (4) unit controller 21, and (5) subunit controller 22 are multiplied by N and measured, and a reference waveform is set in consideration of variance by using a statistical method. Then the measured waveforms are relatively compared with the reference waveform and then waveforms of high order are put together to take a macroscopic diagnosis.
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Then the measured waveforms are relatively compared with the reference waveform and then waveforms of high order are put together to take a macroscopic diagnosis.</description><edition>6</edition><language>eng</language><subject>CONTROL OR REGULATING SYSTEMS IN GENERAL ; CONTROLLING ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; ELECTRICITY ; EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS ; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS ; GENERATION ; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS ; PHYSICS ; REGULATING</subject><creationdate>1998</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19980925&DB=EPODOC&CC=JP&NR=H10254539A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19980925&DB=EPODOC&CC=JP&NR=H10254539A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TAKAMUNE YUJI</creatorcontrib><creatorcontrib>FUJITA KAZUHIRO</creatorcontrib><creatorcontrib>KIKUTA TSUTOMU</creatorcontrib><creatorcontrib>RYU KOJI</creatorcontrib><creatorcontrib>IIZUKA HITOSHI</creatorcontrib><title>ABNORMALITY DIAGNOSTIC METHOD FOR DRIVING SYSTEM OF MACHINE DEVICE</title><description>PROBLEM TO BE SOLVED: To monitor, and predict or forecast abnormality macroscopically in its early stage by monitoring the waveform of the primary-side composite electric power of supplied electric power. 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subjects	CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS FUNCTIONAL ELEMENTS OF SUCH SYSTEMS GENERATION MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PHYSICS REGULATING
title	ABNORMALITY DIAGNOSTIC METHOD FOR DRIVING SYSTEM OF MACHINE DEVICE
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