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ROBUST CONTINUOUS VSS TRACKING CONTROL OF AN IM DRIVE
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Author(s) |
K. Jezernik; A. Hren; D. Drevensek |
Abstract |
A new discrete-time control algorithm bas been developed by combining variable structure systems and Lyapunov design. It possesses all the good properties of the sliding mode and avoids the unnecessary discontinuity of the control input, thus eliminating chattering which has been considering as serious obstacles for applications of VSS. A unified control approach for current and torque control based on the discrete-time sliding mode for application in indirect vector control of an IM drive is developed. The sliding mode approach can be applied to the control of an IM drive due to the replacement of the hysteresis controller with widely used PWM technique. All the theoretical issues are verified by experiment. |
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Filename: | Unnamed file |
Filesize: | 498.6 KB |
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Type |
Members Only |
Date |
Last modified 2018-04-13 by System |
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