Control method and controller
A controller and pulse width modulation technology, used in the control of electromechanical brakes, current controllers, control systems, etc., can solve the problems of increasing difficulty in motor control and being easily limited by working conditions, and achieve precise control and high estimation accuracy. Effect
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[0065] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.
[0066] The present invention will be described in detail below with reference to the accompanying drawings and examples.
[0067] figure 1 It shows one of the flowcharts of the control method described in the embodiment of the present invention, the method may include:
[0068] Step 101 , collecting the rotor position, motor speed, quadrature axis current, direct axis current and pulse width modulation duty cycle of the three-way bridge arm of the permanent magnet synchronous motor.
[0069] In the embodiment of the present invention, the permanent magnet synchronous motor is a synchronous motor that is excited by a permanent magnet to generate a synchronous rotating magnetic field. The permanent magnet acts as a rotor to generate a rotating magnetic field. The three-phase stator winding reacts through the ...
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