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中文摘要：
滑模控制在提高滑模面速度时会有较大抖振。文章设计了一种新型滑模控制器,该滑模控制器不需要微分估计器及额外的滤波装置,就可抑制系统的抖振。结合矢量控制技术,采用文章方法分别设计永磁同步发电系统的速度外环和电流内环的滑模控制器,保证转速和电流在有限时间内跟踪相应的给定参考,实现最大风能捕获。仿真结果表明：与PI控制器和线性滑模控制器相比较,该控制策略实现风力发电机侧的最大风能捕获的同时,提高了系统的动静态性能。
英文摘要：
Sliding mode control is a fast switching control essentially. While accelerating the speed to reach the sliding surface, it will result in large chattering which can induce high-frequency oscillation.To avoid the chattering, this paper proposes a terminal-sliding-mode control scheme. It can eliminate the chatting without differential estimator and extra filter equipment. Combined the vector control technology, speed outer loop and current inner loop regulator are designed to ensure the rotor speed and current to reach the given values in finite time, respectively. The maximum power point tracking is accomplished though the presented control strategy.Compared with PI control and traditional sliding mode control, simulation results verify that the speed and current can track the given value more rapidly and realize the capture of maximum wind energy. It enhances the system dynamic and stable performances.
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