Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
CONTROL DEVICE OF ROTATING MACHINE
Document Type and Number:
WIPO Patent Application WO/2020/240748
Kind Code:
A1
Abstract:
A control device (1) of a rotating machine controls a rotating machine (2) on the basis of rotational velocity information of the rotating machine (2). The control device (1) comprises a rotational velocity selection unit (48). When shaft torque, which is torque acting on a rotational shaft of the rotating machine (2), is greater than a torque threshold value, the rotational velocity selection unit (48) selects an estimated rotational velocity which is an estimated value of the rotational velocity of the rotating machine (2), and, when the shaft torque is smaller than the torque threshold value, the rotational velocity selection unit (48) selects a detected rotational velocity obtained on the basis of a position detection signal output from a position detector (26), and outputs the velocity as rotational velocity information.

Inventors:
HANIOKA SHOTA (JP)
IEZAWA MASAHIRO (JP)
Application Number:
PCT/JP2019/021419
Publication Date:
December 03, 2020
Filing Date:
May 29, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02P21/06; H02P21/24
Domestic Patent References:
WO2009145270A12009-12-03
Foreign References:
JP2016100964A2016-05-30
JP2012101676A2012-05-31
JP2005318724A2005-11-10
Attorney, Agent or Firm:
TAKAMURA, Jun (JP)
Download PDF: