Title:
POWER CONVERSION DEVICE, PUMPING DEVICE, AND CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2020/095450
Kind Code:
A1
Abstract:
This power conversion device 100 is provided with: a power conversion unit 111 that supplies power to a pumping device 1; a data acquisition unit 121 that acquires speed data corresponding to the driving speed of the pumping device 1 and force data corresponding to the driving force of the pumping device 1; a threshold setting unit 125 that sets a threshold for an amplitude index value corresponding to the amplitude of a vibration component of the force data; and an abnormality detection unit 126 that detects abnormality in an object to be driven in response to the amplitude index value surpassing the threshold. The threshold setting unit 125 increases the threshold as the speed data increases.
More Like This:
| JP6279364 | Motor controlling device |
| JP2937563 | [Title of Invention] Control device for AC motor |
| JP5673938 | Electric vehicle control device |
Inventors:
IKE HIDEAKI (JP)
Application Number:
PCT/JP2018/041719
Publication Date:
May 14, 2020
Filing Date:
November 09, 2018
Export Citation:
Assignee:
YASKAWA ELECTRIC CORP (JP)
International Classes:
H02P27/08
Foreign References:
| JP2015081693A | 2015-04-27 | |||
| JP2014214642A | 2014-11-17 | |||
| JP2008037255A | 2008-02-21 | |||
| JP2018173333A | 2018-11-08 | |||
| JPH096432A | 1997-01-10 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
Download PDF:
Previous Patent: USER TERMINAL AND WIRELESS COMMUNICATION METHOD
Next Patent: CONTAINER CONVEYANCE DEVICE
Next Patent: CONTAINER CONVEYANCE DEVICE