A permanent magnet synchronous motor speed filtering device and filtering method
A permanent magnet synchronous motor and speed technology, which is applied in the control of electromechanical transmission, control of generator, motor generator control, etc., can solve the problems of phase delay, large noise content of rotor position, etc.
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[0037] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.
[0038] Such as figure 1 As shown, taking the permanent magnet synchronous motor servo system as an example, the permanent magnet synchronous motor speed filter device of the present invention includes a position sensor 1, a permanent magnet synchronous motor (PMSM) 2, a speed calculation module 3, a Kalman filter module 4, a speed loop PI regulator 5, current sensor 6, summation module 7, coordinate transformation module 8, first current loop PI regulator 9, space vector pulse width modulation (SVPWM) module 10, second current loop PI regulator 11 and inverter Device 12.
[0039] The input end of the position sensor 1 is connected to the output end of the permanent magnet synchronous motor 2 , the input end of the speed calculation module 3 is connected to the output end of the position sensor 1 , and the output end of the speed calculation module 3 ...
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