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Patent Searching and Data


Title:
設備診断装置、設備診断方法、及び設備診断プログラム
Document Type and Number:
Japanese Patent JP7097338
Kind Code:
B2
Abstract:
This facility diagnostic device (1, 1A, 2, 3) is provided with: a current detection unit (10) which detects a driving current supplied to an induction motor (IM) that rotationally drives the rotating shaft of a facility; rotation detection units (20, 20A) which detect the rotation of the rotating shaft; calculation units (30, 30A) which obtain a load correlation value, which is a value correlated with a load resistance operating on the rotation shaft, by using the detection result from the current detection unit and the detection results from the rotation detection units; and an output unit (40) which outputs the load correlation value.

Inventors:
Shirai
Aoki Osamu
Takeshi Ariyoshi
Application Number:
JP2019172007A
Publication Date:
July 07, 2022
Filing Date:
September 20, 2019
Export Citation:
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Assignee:
Yokogawa Electric Corporation
Yokogawa Solution Service Co., Ltd.
International Classes:
H02P29/024; G01M99/00; H02P23/08
Domestic Patent References:
JP59220089A
JP63274389A
Foreign References:
WO2012165011A1
Attorney, Agent or Firm:
Sumio Tanai
Yoshifumi Saeki
Hisanori Takahashi
Takeo Okita