臺灣博碩士論文加值系統

模糊控制器性能之改善,可從控制器之結構、參數調整及控制規則的修正等方面著手,其中以針對控制規則的修正為最有效的設計方法。為了進一步探討其可行性, 提出一種新的演算法則來實現對控制規則自組織的技巧,進而調整其誤差變化率之增益值,可自由控制閉迴路系統到達穩態之時間。本文以自組織模糊控制器為輔助控制器來改善PID控制器及Η∞強健控制器的性能,且電腦模擬結果顯示此複合型之Fuzzy-Η∞控制器或Fuzzy-PID皆能改善受控系統之性能對縮短上升時間、降低超越量及減少安定時間方面,皆較原控制器為佳。

The performance of fuzzy logic controller can be improved though the following methods: the structure of controller , the tuning of parameters and the regulating of control rules。 The last one is the most effective among them。Rules self-regulating fuzzy controller is one of those being able to modify fuzzy automatically。Now we prefer a algorithm to realize the technique of self-organized fuzzy controller to adjust change of error gain。It can control close loop system freely arrive steady state time。The self-organized fuzzy controller is assist controller to improve the performance of a master PID-controller and Η∞ controller and result of computer simulation show that the complex controller(Fuzzy-Η∞ controller or Fuzzy-PID controller) is better than the original PID controller and PID controller no matter in the reduction of rise time , overshoot , or settling time 。

一、 緒論
1.1 研究動機………………………………………………………1
1. 2論文架構………………………………………………………2
二、 模糊控制理論
2.1 前言………………………………………………………….3
2.2 Fuzzy 集合的表示方法…………………………………….4
3.3 基本模糊控制系統………………………………………….6
三、 自組織模糊控制
3.1 模糊自組織控制系統……………………………………….16
3.2 自組織控制器之設計…………………………………………18
3.3 模擬結果……………………………………………………..26
四、 自組織模糊控制對PID控制之改善
4. 1 PID控制器之增益常數的問題……………………………….35
4.2 soc 模糊控制器之設計……………………………………….35
4.3電腦模擬系統…………………………………………………..40
五、 控制理論
5.1 norm的定義……………………………………………………45
5.2 控制的特性……………………………………………….46
5. 3 奇異值的整型……………………………………………….51
5. 4 擴增系統矩陣….…………………………………………..57
5. 5系統的不確定性…………………………..…………………59
5. 6 權重函數的選擇…………………………...………………..63
5.7 H￥控制問題的解…………………………………………….65
六. 自組織模糊- 控制器之設計
6.1設計 控制器……………………………………………..71
6. 2合成模糊- 控制器……………………………………………….74
6. 3模糊- 控制器之設計……………………………………..76
6. 4 電腦模擬結果…………………………………………………77
七. 結論………………………………………………………………95
參考文獻………………………………………………….96

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