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Patent Searching and Data


Title:
CONTROL DEVICE AND ABNORMALITY DETECTION METHOD
Document Type and Number:
WIPO Patent Application WO/2021/199429
Kind Code:
A1
Abstract:
This control device 1 that calculates an operation amount for controlling an object to be controlled on the basis of a measurement value and a target value comprises: a storage unit 12 which stores a control waste time determined on the basis of the measurement value obtained when a predetermined operation amount is input at a reference time, and a reference value determined on the basis of the measurement value obtained when the predetermined operation amount is input at the reference time; and a notification output unit 113 which, after the lapse of the waste time from an abnormality detection start time when the operation amount exceeds an abnormality detection start output that is the threshold value, outputs abnormality state information on the basis of the comparison result of the value based on the measurement value and the reference value, whereby in the abnormality detection method that does not require a current measuring unit, the time until the disconnection is detected is shortened as compared with the conventional method.

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Inventors:
IKEDA RYOTA (JP)
KIHARA TAKESHI (JP)
NARITA TAKAMITSU (JP)
HOSODA YUMA (JP)
Application Number:
PCT/JP2020/015334
Publication Date:
October 07, 2021
Filing Date:
April 03, 2020
Export Citation:
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Assignee:
RKC INSTRUMENTS INC (JP)
International Classes:
H05B3/00
Foreign References:
JP2002343537A2002-11-29
JPS629907B21987-03-03
JP2011090610A2011-05-06
JP2018174046A2018-11-08
Attorney, Agent or Firm:
KATO, Masanobu et al. (JP)
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