In this paper the robust control technique is applied to design a switched reluctance motor drive where the rotor position sensor provides just six pulses per revolution. A control system analyzer is used to obtain the frequency responses at each design step. To reduce the effect of the inherent phase inductance variations, an two-degree-of-freedom control scheme is designed in the current-loop of the drive to achieve the demanding time-response specifications. In order to have a good load torque disturbance rejection ability, the loop shaping procedure is employed to construct a lead-lag type controller in the speed-loop of the drive. The designed controllers are evaluated in real-time experiments with a digital signal processor (DSP). The results demonstrate the effectiveness of the proposed strategy in comparison with that of a conventional design.
Application of Control to Improve the Current and Speed Loops of Switched Reluctance Motor Drives
Contributed by the Dynamic Systems and Control Division for publication in the JOURNAL OF DYNAMIC SYSTEMS, MEASUREMENT, AND CONTROL. Manuscript received by the Dynamic Systems and Control Division June 8, 2000. Associate Editor: Y. Chait.
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Tsai, M. (June 8, 2000). "Application of Control to Improve the Current and Speed Loops of Switched Reluctance Motor Drives ." ASME. J. Dyn. Sys., Meas., Control. September 2001; 123(3): 363–369. https://doi.org/10.1115/1.1387016
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