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Permanent magnet synchronous motors (PMSMs) have been widely used in many fields. Compared to induction motors, it has many features. For example, it has higher power factor. With the improvement of manufacturing technology, in the future, the PMSMs will be used in more fields. And in some fields, the traditional motors will be replaced by it. It is very important to develop a good control strategy in PMSMs fields. Therefore, in this paper, according to interval matrix technology, Lyapunov stability theory and the PI control idea, a control strategy is developed in PMSMs control field. The control strategy can cope with load's uncertainty and has a good control performance. Moreover, it is easy to apply in engineering. Simulation results verify the effectiveness of the proposed control strategy and explain that it has a good control performance. |
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Keywords:Interval matrix technology, linear matrix inequality (LMI), Lyapunov stability theory, permanent magnet synchronous motor (PMSM). |
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