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Patent Searching and Data


Title:
MOTOR CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/179236
Kind Code:
A1
Abstract:
A motor control device of an embodiment comprises: multiple magnetic pole position estimation parts for estimating magnetic pole positions of multiple motors; vector control sections for performing vector control for the multiple motors on the basis of the magnetic pole positions; and a phase synchronization control section for outputting a phase adjustment signal in order to correct an input signal to or an output signal from a speed control part of each of the vector control sections corresponding to the motors other than one designated as a reference motor, such that the rotation phases of the other motors are synchronized with the rotation phase of the one motor.

Inventors:
MAEKAWA, Sari (Toshiba Corporation 1-1, Shibaura 1-chome, Minato-k, Tokyo 01, 〒1058001, JP)
ISHIDA, Keiichi (336 Tadehara, Fuji-sh, Shizuoka 21, 〒4168521, JP)
HIRAYAMA, Takuya (336 Tadehara, Fuji-sh, Shizuoka 21, 〒4168521, JP)
Application Number:
JP2016/084463
Publication Date:
October 19, 2017
Filing Date:
November 21, 2016
Export Citation:
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Assignee:
KABUSHIKI KAISHA TOSHIBA (1-1 Shibaura 1-chome, Minato-ku Tokyo, 01, 〒1058001, JP)
TOSHIBA CARRIER CORPORATION (72-34, Horikawa-cho Saiwai-ku, Kawasaki-sh, Kanagawa 85, 〒2128585, JP)
International Classes:
H02P5/52; H02P6/18; H02P21/26
Foreign References:
JPH11305839A1999-11-05
JP2015133819A2015-07-23
JP2011206552A2011-10-20
JPH02290187A1990-11-30
Attorney, Agent or Firm:
SATO INTERNATIONAL PATENT FIRM (Fourteen Hills Center Building, 6-15 Sakae 4-chome, Naka-ku, Nagoya-sh, Aichi 08, 〒4600008, JP)
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