Title:
DRIVE CONTROL DEVICE AND CONTROL METHOD FOR ELECTRIC MOTOR
Document Type and Number:
WIPO Patent Application WO/2018/003462
Kind Code:
A1
Abstract:
There is provided a drive control device of an electric motor with which it is possible to reduce the number of terminals and the number of wires. The present invention is provided with: a drive circuit 3 having an inverter circuit 5 and drivers 10UH, 10UL, 10VH, 10VL, 10WH, 10WL for driving an electric motor 120 having a plurality of phases; a control circuit 2 for outputting a control signal that controls the drive circuit 3; and a number of signal lines 8 that is smaller than the number of phases of the electric motor 120, the signal lines 8 connecting the control circuit 2 and the drive circuit 3, and transmitting the control signal from the control circuit 2 to the drive circuit 3.
Inventors:
HIRAYAMA HIROSHI (JP)
ABE YOSHITAKA (JP)
KOSEKI TOMONOBU (JP)
WATANABE MITSUHIKO (JP)
ARATA ATSUSHI (JP)
ABE YOSHITAKA (JP)
KOSEKI TOMONOBU (JP)
WATANABE MITSUHIKO (JP)
ARATA ATSUSHI (JP)
Application Number:
PCT/JP2017/021471
Publication Date:
January 04, 2018
Filing Date:
June 09, 2017
Export Citation:
Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD (JP)
International Classes:
H02P25/16
Foreign References:
| JPH0898506A | 1996-04-12 | |||
| JPH11178349A | 1999-07-02 | |||
| JP2012244793A | 2012-12-10 | |||
| JP2013038606A | 2013-02-21 |
Attorney, Agent or Firm:
TODA Yuji (JP)
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