Low torque ripple control of current-fed switched reluctance motors

2002 ◽  
Author(s):  
A.M. Stankovic ◽  
G. Tadmor ◽  
Z.J. Coric
Keyword(s):  
Torque Ripple ◽  
Switched Reluctance Motors ◽  
Switched Reluctance ◽  
Low Torque ◽  
Ripple Control

scholarly journals Design of a Low Torque Ripple Three-Phase SRM for Automotive Shift-by-Wire Actuator

Energies ◽  
2020 ◽  
Vol 13 (9) ◽  
pp. 2329 ◽  
Author(s):  
Grace Firsta Lukman ◽  
Xuan Son Nguyen ◽  
Jin-Woo Ahn
Keyword(s):  
Torque Ripple ◽  
Experimental Result ◽  
The Finite Element Method ◽  
Switched Reluctance Motors ◽  
Switched Reluctance ◽  
Three Phase ◽  
Electromagnetic Characteristics ◽  
Low Torque ◽  
Pole Surface ◽  
Rotor Structure

The shift-by-wire (SBW) system in vehicles aims to increase performance, safety, and comfort during driving. Switched reluctance motors (SRMs) are simple, resilient, and require only minimum maintenance; these factors make it a good option for use as an SBW actuator. Inherently, SRM generates a higher torque ripple than other AC machines, which can lead to a deterioration of its function. In this paper, a non-uniform air-gap rotor structure combined with the careful positioning of holes near the pole surface is proposed to reduce the torque ripple. The finite element method (FEM) is employed to analyze the electromagnetic characteristics of the design. The proposed motor is manufactured, and experiments are done to verify the performance. The design alone can reduce the torque ripple by 7% and flatten the torque waveform. The experimental result shows that the proposed motor can achieve the desired performance. The estimated torque ripple from the experiment is 26.65%.

On torque ripple reduction in current-fed switched reluctance motors

1999 ◽  
Vol 46 (1) ◽  
pp. 177-183 ◽  
Author(s):  
A.M. Stankovic ◽  
G. Tadmor ◽  
Z.J. Coric ◽  
I. Agirman
Keyword(s):  
Torque Ripple ◽  
Switched Reluctance Motors ◽  
Switched Reluctance ◽  
Torque Ripple Reduction ◽  
Ripple Reduction
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