High dynamic response torque current control method for permanent magnet synchronous motor
A permanent magnet synchronous motor, torque current technology, applied in the direction of suppressing motor vibration control, motor control, motor generator control, etc., can solve the problems of poor dynamic performance, motor chattering, etc., to increase the realization accuracy and reduce the chattering. Vibration, the effect of increasing the response speed
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[0035] Attached below Figure 1-5 The high dynamic response torque current control method of the permanent magnet synchronous motor of the present invention will be further described in detail.
[0036] Such as figure 1 and figure 2 As shown, the present invention discloses a high dynamic response torque current control method for a permanent magnet synchronous motor, comprising the following steps:
[0037] Step S1: The permanent magnet synchronous motor works in the speed mode, and calculates the given speed n * The deviation Δn from the actual speed n;
[0038] Step S2: Send Δn to PI controller PI1 to get the torque current given value
[0039] Step S3: Calculate torque current given value and actual torque current i q Deviation Δi q ;
[0040] Step S4: Set Δi q Send it to PI controller PI2 to get the given value of q-axis voltage
[0041] Step S5: Perform torque current compensation on the q-axis to obtain a given voltage on the q-axis
[0042] Step S6: ...
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