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Patent Searching and Data


Title:
MOTOR CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2014/128887
Kind Code:
A1
Abstract:
To smoothly switch control without changing speed or torque, in a speed range in which control switching is performed or a speed range adjacent to said range in which sensorless vector control is performed, sudden changes in excitation component current before and after control switching are suppressed through the shifting, as a linear function or a function of speed, of an excitation component current command between a sensorless vector control value and a low speed range control value in accordance with a speed command or an estimated speed.

Inventors:
AMEMIYA YOSHIYUKI (JP)
TERASHIMA SATORU (JP)
Application Number:
PCT/JP2013/054364
Publication Date:
August 28, 2014
Filing Date:
February 21, 2013
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
AMEMIYA YOSHIYUKI (JP)
TERASHIMA SATORU (JP)
International Classes:
H02P21/00; H02P27/04
Domestic Patent References:
WO2010109528A12010-09-30
Foreign References:
JP2012019626A2012-01-26
JP2006087263A2006-03-30
JP2010130731A2010-06-10
Attorney, Agent or Firm:
SAKAI, HIROAKI (JP)
Hiroaki Sakai (JP)
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