Design and implementation for a digital synchronous reluctancedrive |
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Authors: | Ming-Tsan Lin Tian-Hua Liu |
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Institution: | Dept. of Electr. Eng., Nat. Taiwan Univ. of Sci. & Technol., Taipei; |
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Abstract: | A systematic controller design for a synchronous reluctance drive system is presented. This controller consists of two parts: a forward-loop H∞ controller to improve the transient response, and a load compensator to reduce the load disturbance. Based on a simplified model of the drive system, a control algorithm has been derived. Detailed analysis of the characteristics of the closed-loop system is presented. The effects of the parameter variations are also studied. A digital signal processor, TMS-320-C30, is used to implement the control algorithm. Both the speed control and the position control of the drive system can be implemented by using the proposed control method. Furthermore, all the control loops are executed by the digital signal processor. The system, as a result, is very flexible. The whole drive system performs well although its hardware is very simple. For speed control, the system can be operated at a speed as low as 1 r/min. For position control, the system can accurately control a one-axis table. In addition, the system also has good position tracking ability. Several experimental waveforms validate the simulated results |
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