Switched reluctance motor sensorless method based on difference inductance vector method
A switched reluctance motor and sensor technology, used in motor generator control, electronic commutation motor control, and generator control, etc., can solve the problems of switched reluctance motor nonlinearity, low position estimation accuracy, and inductance saturation.
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[0040] In order to make the technical solutions and advantages of the present invention more clear, the technical solutions in the embodiments of the present invention are clearly and completely described below in conjunction with the drawings in the embodiments of the present invention:
[0041] figure 1 It is a flow chart of the position sensorless control method of the switched reluctance motor of the present invention; this embodiment provides the steps of the above-mentioned position sensorless control method of the switched reluctance motor based on the differential inductance vector method, specifically:
[0042] S1: Calculate the three-phase inductance value of the switched reluctance motor in real time, and express the three-phase inductance value in the form of Fourier series to obtain the three-phase inductance value expressed in the form of Fourier series;
[0043] S2: Delay the three-phase inductance value expressed in the form of Fourier series by π degree to obt...
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