基于改进粒子群优化的滑模控制方案

CHEN Zhi-mei, MENG Wen-jun, ZHANG Jing-gang, ZENG Jian-chao
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引用次数: 23

摘要

针对一类非线性系统,提出了一种新的滑模控制方案。采用改进的粒子群智能优化算法(MPSO)设计切换函数参数和指数趋近律,加快了系统趋近速度,提高了系统的动态性能和鲁棒性。该方法既能快速准确地跟踪目标轨迹,又能消除滑模控制中固有的高频抖振。将该方案应用于倒立摆系统,仿真结果表明了该方案的有效性。
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Scheme of Sliding Mode Control based on Modified Particle Swarm Optimization

A new scheme of sliding mode control (SMC) for a class of non-linear systems is presented. The parameters of switching function and exponential reaching law are designed with modified particle swarm intelligent optimization (MPSO) by combining SMC with MPSO, which accelerates the reaching velocity and improves the dynamic behavior and robustness. It can not only track the desired trajectory quickly and accurately, but also eliminate the high-frequency chattering inherent in sliding mode control. The presented scheme is applied to the inverted pendulum system and the simulation results show its validity.

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