Title:
CONTROL DEVICE AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2021/177235
Kind Code:
A1
Abstract:
Provided are a control device and a program with which it is possible to easily output the state of mechanical damage in an induction motor. A control device for controlling industrial machinery that has an induction motor comprises: an electric power cutoff unit that cuts off the supply of electric power to the induction motor; a speed acquisition unit that acquires the speed of the induction motor; an acceleration calculation unit that calculates acceleration on the basis of the acquired speed; a moment-of-inertia acquisition unit that acquires the moment of inertia of a main shaft of the induction motor; a mechanical damage calculation unit that calculates mechanical damage in the induction motor on the basis of the acquired speed, the calculated acceleration, and the acquired moment of inertia; and an output unit that outputs the calculated mechanical damage.
Inventors:
TEZUKA JUNICHI (JP)
Application Number:
PCT/JP2021/007730
Publication Date:
September 10, 2021
Filing Date:
March 01, 2021
Export Citation:
Assignee:
FANUC CORP (JP)
International Classes:
G01M99/00
Foreign References:
| JP2018028513A | 2018-02-22 | |||
| JP2016200523A | 2016-12-01 |
Other References:
HORIGUCHI MITSUTOSHI: "How to measure the mechanical loss of a small induction motor", THE TRANSACTIONS OF THE INSTITUTE OF ELECTRICAL ENGINEERS OF JAPAN, vol. 126, no. 10, 2006, pages 1415 - 14161
KOMINE TAKAYUKI ET AL.: "Research on measurement and magnetic field analysis of high efficiency motor", TOYO DENKI REVIEW, no. 140, 2019, pages 11 - 19
KOMINE TAKAYUKI ET AL.: "Research on measurement and magnetic field analysis of high efficiency motor", TOYO DENKI REVIEW, no. 140, 2019, pages 11 - 19
Attorney, Agent or Firm:
SHOBAYASHI Masayuki et al. (JP)
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