Torque-ripple minimization with indirect position and speed sensingfor switched reluctance motors |
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Authors: | Islam MS Husain J |
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Affiliation: | Dept. of Electr. Eng., Akron Univ., OH; |
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Abstract: | A torque-ripple-minimization controller is realized along with indirect position and speed sensing for switched reluctance motors (SRMs). The position and speed estimations are derived from a sliding-mode observer that requires terminal measurements of only phase voltages and currents. The research shows that position- and speed-sensorless observers can be reliably used for control of an SRM. Experimental results using a four-phase, 8/6 SRM and the TMS320C30 digital signal processor are presented. The results demonstrate position- and speed-sensorless closed-loop operation of a torque-ripple-minimized SRM drive |
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