Invention Application
- Patent Title: MOTOR CONTROL UNIT
- Patent Title (中): 电机控制单元
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Application No.: US14196056Application Date: 2014-03-04
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Publication No.: US20140253003A1Publication Date: 2014-09-11
- Inventor: Nobuhiro UCHIDA
- Applicant: JTEKT Corporation
- Applicant Address: JP Osaka-shi
- Assignee: JTEKT Corporation
- Current Assignee: JTEKT Corporation
- Current Assignee Address: JP Osaka-shi
- Priority: JP2013-046928 20130308
- Main IPC: H02P23/00
- IPC: H02P23/00 ; H02P27/04

Abstract:
A motor control unit includes: a microcomputer that outputs a motor control signal; a driving circuit that supplies driving electric power to the motor based on the motor control signal; and a capacitor provided at an intermediate portion of a power supply line that connects the driving circuit and a driving power supply to each other. The microcomputer carries out electric discharge from the capacitor by supplying electric power generated by electric charges stored in the capacitor to the motor such that torque is generated by the motor and an angular velocity of the motor becomes less than or equal to a prescribed angular velocity, with torque transmission between the motor and the wheel interrupted by the clutch after a driving relay is turned off.
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