1、 I 题 目 自适应模糊PID控制器的MATLAB的设计 学生姓名 学 号 专业班级 指导教师 学 院 电气工程与信息工程学院 答辩日期 II 摘 要 PID(比例 积分 微分)控制具有结构简单、稳定性能好、可靠性高等优点，尤其适 用于可建立精确数学模型的控制系统。而对于一些多变量、非线性、时滞的系统，传统 的 PID 控制器并不能达到预期的效果。 随着模糊数学的发展，模糊控制的思想逐渐得到控制工程师们的重视，各种模糊控 制器也应运而生。而单纯的模糊控制器有其自身的缺陷控制效果很粗糙、控制精度 无法达到预期标准。但利用传统的 PID 控制器和模糊控制器结合形成的模糊自适应的 PID 控制器可以
2、弥补其缺陷；它将系统对应的误差和误差变化率反馈给模糊控制器进而 确定相关参数，保证系统工作在最佳状态，实现优良的控制效果。 本设计介绍了参数自适应模糊 PID 控制器的设计方法和步骤。并利用 MATLAB 中的 SIMULINK 和模糊逻辑推理系统工具箱进行了控制系统的仿真研究， 并简要地分析了对应 的仿真数据。 关键词：经典 PID 控制；模糊控制；自适应模糊 PID 控制器；参数整定；MATLAB 仿真 III ABSTRACT PID(Proportion Integration Differentiation)control，with lots of advantages includ
3、ing simple structure， good stability and high reliability， is quite suitable to establish especially the control system which accurate mathematical model is available and needed.However，taken multivariable，nonlinear and time-lag into consideration，traditional PID controller can not reach the expecte
4、d effect. Along with the development of Fuzzy Mathematics， control engineers gradually pay much attention to the idea of Fuzzy Control，thus promoting the invention of fuzzy controllers. However，simple fuzzy controller has its own defect，where control effect is quite coarse and the control precision
5、can not reach the expected level. Therefore，the Fuzzy Adaptive PID Controller is created by taking advantage of the superiority of PID Controller and Fuzzy Controller. Taken this controller in use， the corresponding error and its differential error of the control system can be feed backed to the Fuz
6、zy Logic Controller. Moreover，the three parameters of PID Controller is determined online through fuzzification，fuzzy reasoning and defuzzification of the fuzzy system to maintain better working condition than the traditional PID controller. Meanwhile，the design method and general steps are introduced of the Parameter self-setting Fuzzy PID Controller. Eventually，the Fuzzy Inference Systems Toolbox and SIMULINK toolbox are
