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This paper describes driving characteristics of the electric vehicle (EV) operated by the position sensorless controlled switched reluctance motor (SRM). Assuming the phase inductance waveform to be a sinusoidal one, the space vector of the phase inductance in the SRM can be defined, and the rotor position can be obtained from the phase angle of this space vector. Starting, low speed driving, and...
In this paper, an accurate method for sensorless control of permanent magnet brushless motors is explained. The method doesn't include any modification to the classical construction of such motors and can be easily integrated within the drive electronics. It is applicable to both motor types, i.e. those with sinusoidal or trapezoidal back EMF.. The back EMF waveform is extracted on-line using simple...
This paper presents a new method for determination of the rotor position of the switched reluctance machine (SRM). With this it is possible to eliminate the use of the positions encoder, which is usually necessary to control the SRM. The method is based on a machine model, which includes the phase voltage equation. It can be calculated in real time. Additionally for better dynamic performance a new...
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