三种积分改进方法在常规模糊控制策略中的比较与应用

2002 IEEE International Conference on Industrial Technology, 2002. IEEE ICIT '02. Pub Date : 2002-12-11 DOI:10.1109/ICIT.2002.1189893

G. Lim, Psk Chua, Y. He

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引用次数: 6

摘要

本文提出了基于模糊知识的控制系统的三种集成方法，以减小稳态输出误差。描述了三输入模糊控制器、模糊+积分控制器和模糊- pi控制器，并将其应用于两个系统。一种是输入为阶跃的零型数一阶系统，另一种是输入为斜坡的线性化一型数五阶电液伺服系统。在没有积分控制的情况下，这两种系统的响应都存在稳态误差。仿真结果表明，这三种积分方法都能有效消除稳态误差。产生超调量最小、上升时间最短的三输入模糊控制器是产生快速动态响应和输出误差最小的最佳控制器。模糊pi控制器在输出误差小方面是第二好的控制器。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Comparison and application of three integral-improved methods on conventional fuzzy control strategy

This paper presents three integral methods to a fuzzy knowledge-based control system to diminish the steady-state output errors. These three controllers, namely the three-input fuzzy controller, the fuzzy plus integral controller and the fuzzy-PI controller, are described and applied to two systems. One is a zero-type-number first-order system whose input is a step, while the other is a linearized one-type-number fifth-order electrohydraulic servo system whose input is a ramp. The response of these two systems have steady-state errors without integral control. Simulation results show that all these three integral methods can effectively eliminate steady-state errors. The three-input fuzzy controller that produces the least overshoot and the shortest rise time is the best one to produce rapid dynamic response and minimum output errors. Fuzzy-PI controller is the second best controller in producing small output errors.

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2002 IEEE International Conference on Industrial Technology, 2002. IEEE ICIT '02.

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