Fuzzy backstepping control method for electric vehicle asynchronous motor considering iron loss
A technology of asynchronous motors and fuzzy backstepping, applied in motor generator control, electronically commutated motor control, control systems, etc., can solve the problem that estimated variables cannot be guaranteed to converge to real values, lack of methods for designing governors, and lack of Stability analysis and other issues to achieve the effect of fast response, easy direct control, and simple structure
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[0103] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:
[0104] combine figure 1 with figure 2 As shown, the electric vehicle asynchronous motor fuzzy backstepping controller considering iron loss mainly includes asynchronous motor fuzzy backstepping controller 1, coordinate transformation unit 2, SVPWM inverter 3, speed detection unit 5 and current detection unit 6. The speed detection unit 5 and the current detection unit 6 are mainly used to detect the current value and speed-related variables of the asynchronous motor. The actual measured current and speed variables are used as input, and the voltage is controlled by the fuzzy backstepping controller 1 of the asynchronous motor, and finally converted into Three-phase electricity controls the speed of asynchronous motor. In order to design a more effective controller, it is necessary to establish a dynamic model of asynchronous motor considering ...
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