Permanent magnet synchronous motor self-adaptive identification control method and control system thereof
A permanent magnet synchronous motor, self-adaptive identification technology, applied in the direction of control system, vector control system, motor generator control, etc., can solve the problems that affect the control accuracy of the motor, the calculation is complicated, and the identification accuracy is not high
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[0049] The present invention will be further elaborated below by describing a preferred specific embodiment in detail in conjunction with the accompanying drawings.
[0050] Such as figure 1 As shown, a permanent magnet synchronous motor adaptive identification control method includes the following steps:
[0051] S1, under the dq coordinate system, establish the dynamic model of the vector control system of the permanent magnet synchronous motor, and carry out the decoupling control to the component of the stator voltage in the dq coordinate system;
[0052] S2. Establish a simplified state space model of the permanent magnet synchronous motor by using a preset control method;
[0053] S3. Using a preset identification method, perform parameter identification on the undetermined parameters in the simplified state space model of the permanent magnet synchronous motor, and obtain stable motor identification parameters;
[0054] S4. Establish an accurate model of the permanent...
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