Sliding moding structure direct torque servo-driver

This invention relates to a direct torque servo drive device of a slip form inversion structure including a commutation inversion output circuit, a control circuit and a control object, in which, the commutation output circuit includes a commutation filter unit and an IPM inversion unit, the control circuit includes a DSP processor, an IPM isolation drive and protection circuit, a current sample circuit and a voltage sample circuit, the control object is a three phase permanent magnetic synchronous motor controlled by a control program in the DSP processor of the inserted control circuit.