Title:
MOTOR CONTROL DEVICE AND ELEVATOR IN WHICH SAME IS USED
Document Type and Number:
WIPO Patent Application WO/2017/081977
Kind Code:
A1
Abstract:
The invention is equipped with a control unit (150) that, according to switching criteria calculated from the magnetic characteristics of an AC motor (9), executes an operating sequence for selecting one of three control modes: an online control mode in which torque ripple suppression is performed using a torque ripple suppression unit (80), a learning control mode in which, at the same time torque ripple suppression is performed using the torque ripple suppression unit (80), suppression control parameters are stored in a suppression control parameter storage unit (120), and an offline control mode in which torque ripple suppression is performed using the suppression control parameters stored in the suppression control parameter storage unit (120).
Inventors:
HOZUKI TAKASHI (JP)
SATAKE AKIRA (JP)
BABA TOSHIYUKI (JP)
SATAKE AKIRA (JP)
BABA TOSHIYUKI (JP)
Application Number:
PCT/JP2016/080323
Publication Date:
May 18, 2017
Filing Date:
October 13, 2016
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02P21/20
Foreign References:
| JP5434369B2 | 2014-03-05 | |||
| JP2014204489A | 2014-10-27 | |||
| JP2008230797A | 2008-10-02 |
Attorney, Agent or Firm:
MURAKAMI Keigo et al. (JP)
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