Direct torque control system of permanent magnet synchronous motor based on terminal sliding mode
A technology of permanent magnet synchronous motor and direct torque control, applied in control system, vector control system, motor generator control, etc. and torque are difficult to control and other problems, to achieve the effect of eliminating chattering, eliminating uncertainty and reducing pulsation
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[0017] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0018] Such as figure 1 As shown, the permanent magnet synchronous motor direct torque control system based on the terminal sliding mode of the present invention includes a main circuit 11, a control circuit 4 and a signal detection circuit 3, wherein the main circuit 11 includes an inverter 1 and a PMSM module 2; the control circuit 4 Including terminal sliding mode speed outer loop controller 5, adaptive fuzzy sliding mode torque, flux linkage inner loop controller 6, SVPWM module 7, stator flux linkage, electromagnetic torque estimation module 8, 3 / 2 coordinate transformation module 9 and Rotor position, speed estimation module 10.
[0019] The specific implementation steps of the permanent magnet synchronous motor direct torque control system based on the terminal sliding mode of the present invention are as follows:
[0020] 1) The signal detection cir...
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