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This paper proposes a fault diagnosis and tolerant method for switched reluctance motor (SRM) drives. In many industrial applications, the reliability of the power transistor of the power converter is the main problem. In this paper, two types of faults (short and open) are analyzed through the current pattern of the power converter for SRM drives. The fault is detected when the measured amplitude...
The torque ripple reduction control of the switched reluctance motor (SRM) is generally implemented by current control, turn-on and turn-off control based on the inductance profile. Turn-off angle control, as a complex relation between motor speed and current, is required for a wide range of operating speeds. However, these methods show limited performance. This paper presents a fuzzy logic turn-off...
This paper presents a position sensorless control system of SRM over wide speed range. The rotor position estimation of the SRM is somewhat difficult because of its highly nonlinear characteristics. In this paper, the magnetizing curve of prototype 1-hp SRM is obtained from locked rotor test and complicated data patters are trained using neural network. To estimate more accurate rotor position, current-flux-rotor...
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