One embodiment of the motor control system according to the present invention is a motor control system for supplying power to a motor and provided with a first motor control unit and a second motor control unit which are each provided with one each of: a power supply circuit for generating a constant voltage; an inverter circuit for driving the coil windings of the motor; a power supply relay circuit for interrupting power supply to the inverter circuit; and a CPU for calculating a controlled variable on the basis of information from a sensor and outputting a control signal to the inverter circuit. The first motor control unit supplies power to first coil windings that are one of independent two sets of coil windings, and the second motor control unit supplies power to second coil windings that are the other of the independent two sets of coil windings. The first motor control unit has a first abnormality detection circuit for detecting an abnormality of the second motor control unit, and the second motor control unit has a second abnormality detection circuit for detecting an abnormality of the first motor control unit.
本发明的马达控制系统的一个方式是将电力供给至马达的马达控制系统,包括第一马达控制部和第二马达控制部,第一马达控制部和第二马达控制部分别包括一组产生恒定电压的电源电路、用于驱动马达的线圈绕线的逆变器电路、截断向逆变器电路的电力供给的电源继电器电路、基于来自传感器的信息运算控制量并向逆变器电路输出控制信号的CPU。第一马达控制部将电力供给至所述独立的两组线圈绕线中的一个绕线组即第一线圈绕线,第二马达控制部将电力供给至独立的两组线圈绕线中的另一个绕线组即第二线圈绕线,第一马达控制部具有检测第二马达控制部的异常的第一异常检测电路,第二马达控制部具有检测第一马达控制部的异常的第二异常检测电路。
MOTOR CONTROL SYSTEM, MOTOR, AND ELECTRIC POWER STEERING DEVICE
马达控制系统、马达以及电动助力转向装置
2021-05-14
Patent
Electronic Resource
Chinese
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