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研究生:張春木
研究生(外文):JHANG-CHUN MU
論文名稱:應用於不連續加熱的模糊PID控制器
論文名稱(外文):A Fuzzy PID Controller for the Discontinuous Heating System
指導教授:張鴻義張鴻義引用關係
指導教授(外文):JHANG-HONG YI
學位類別:碩士
校院名稱:國立虎尾科技大學
系所名稱:航空與電子科技研究所
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2009
畢業學年度:97
語文別:中文
論文頁數:73
中文關鍵詞:多輸入多輸出模糊耦合
外文關鍵詞:MIMOfuzzydecoupling
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雖然一維PID控制器可以說是工業控制應用中最常見的控制器,但一維PID控制器卻不適用於多重輸入的重輸出(MIMO, multi-input multi-output)的控制系統,然而MIMO系統在實際的工業控制系統中卻相當常見,如果要利用一維PID控制器來實現MIMO控制則必須在各個維度間加入解耦合系統以便消除控制器各個維度之間的相依關係,然而這樣的設計方法必須對受控系統進行系統模型數學化才能達成,但是這個步驟卻有違PID控制器不必詳知受控系統模型的優
點。
  本論則提出一個利用模糊理論來解耦合的架構,這個架構具有參數可調整的特性,因此能在不完全取得受控系統數學模型的條件下達成MIMO控制之目的。如此一來多維度的泛用型PID控制器變得可行,系統設計者只要適當調整相關參數卻可達成MIMO系統控制的
目的。
  本論文將此模糊解耦合多維PID控制器應用於工業界常見的不連續爐區加熱系統中,模擬的結果顯示此種控制架構能保留PID控制
器的方便與彈性,又能適用於MIMO的控制系統應用。
The one dimensional PID (1-D PID) controller seems the most popular one for the industrial control with its flexible in parameters adjustable and no modeling needed for the system. But the 1-D PID is not suitable to a multiple input and multiple output (MIMO) control system. But, the MIMO system is very wildly used in industrial applications. In order to apply the 1-D PID controller to a MIMO system, a particular decoupling scheme must be combined with the traditional 1-D PID controller to cancel the dependency between the dimensions of a MIMO control system. However, to obtain this decoupling scheme must model the control system firstly. This procedure is against the flexible property of the PID controller.
In this thesis we propose a novel decoupling scheme of a MIMO system which based on fuzzy theory. The parameters of this new decoupling scheme are adjustable, so the engineer can setup suitable parameters of it to adapt a particular control system but no modeling of the system needed. Therefore the flexible advantage of the PID controller is reversed.
We implement this fuzzy decoupling control system for a discrete heating oven. In our experiments, this new control system can solve this MIMO heating problem, so we believe it is useful for other realistic control system design.
中文摘要........... i
英文摘要................. ii
誌 謝................... iii
總目錄.................... iv
圖目錄.................... vi
表目錄.................... x
第一章緒論......................................1
1.1 研究動機和目的..............................1
1.2 文獻回顧....................................1
1.3 論文架構....................................3
第二章MIMO PID控制器............................4
2.1 PID控制理論.................................4
2.1.1 PID控制器特色.............................4
2.1.2 PID控制器型式.............................5
2.2 MIMO PID控制設計分析........................5
2.2.1 MIMO PID控制器............................6
2.2.2 MIMO耦合補償PID控制器 ....................7
第三章模糊控制理論 .............................10
3.1簡介........................................10
3.2 模糊集合(Fuzzy Sat)........................10
3.3模糊化(Fuzzification).......................11
3.4模糊規則庫(Fuzzy Rule Base).................15
3.5模糊推論場(Fuzzy Inference Mechanism).......16
3.6解模糊化(Defuzzification)...................17
3.7模糊簡例....................................18
第四章Fuzzy PID控制器之設計與應用..............22
4.1 MIMO Fuzzy耦合PID控制器之架構..............22
4.2 模糊規則調整PID控制........................23
4.2.1 MIMO模糊PID控制器........................24
4.2.2 模糊耦合PID控制器........................28
第五章系統分析及實驗結果.......................33
5.1電路類比模型模擬............................33
5.1.1電路類比模型1 .............................33
5.1.2電路類比模型2 .............................52
第六章 結論....................................68
參考文獻.......................................69
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