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模糊控制器的三种积分改进方法对比及应用
Three types of improving methods of adding an integrator to a fuzzy controller
【摘要】 针对普通的模糊控制器不能克服系统静差的不足,本文提出了三种模糊控制器的积分改进方法。这三种方法分别对应三种控制器,即三输入模糊控制器、模糊PI控制器和模糊并积分控制器。将此三种控制器应用于某零型一阶系统和某I型五阶电液伺服系统,均能克服系统的静态误差。其中三输入模糊控制器的性能最优。
【Abstract】 Ordinary fuzzy controllers can’ t efficiently eliminate static errors of some systems. Three fuzzy controllers which considering integral functions are discused. They are the three - input fuzzy controller, the fuzzy PI controller and the fuzzy - integral controller. Results show that all three controllers can eliminate static errors an electro - hydraulic system, especially the first one.
【关键词】 模糊控制器;
静差;
积分器;
电液伺服系统;
【Key words】 Fuzzy controller; Static errors; Integrator; Electro - hydraulic servo -systems;
【Key words】 Fuzzy controller; Static errors; Integrator; Electro - hydraulic servo -systems;
- 【文献出处】 机床与液压 ,Machine Tool & Hydraulics , 编辑部邮箱 ,2001年01期
- 【分类号】TP273
- 【被引频次】18
- 【下载频次】133