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論文名稱 Title |
針對非嚴格回授非線性系統之適應性區塊步階迴歸控制器設計 Design of Adaptive Block Backstepping Controllers for Nonlinear Systems with Non-strict Feedback Form |
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系所名稱 Department |
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畢業學年期 Year, semester |
語文別 Language |
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學位類別 Degree |
頁數 Number of pages |
99 |
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研究生 Author |
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指導教授 Advisor |
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召集委員 Convenor |
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口試委員 Advisory Committee |
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口試日期 Date of Exam |
2010-11-05 |
繳交日期 Date of Submission |
2010-11-09 |
關鍵字 Keywords |
擾動估測、非嚴格回授系統、適應性區塊步階迴歸控制器 perturbation estimation, non-strict feedback form, adaptive backstepping controller |
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統計 Statistics |
本論文已被瀏覽 5690 次,被下載 0 次 The thesis/dissertation has been browsed 5690 times, has been downloaded 0 times. |
中文摘要 |
基於李亞普諾夫穩定度理論,在本論文中利用兩種適應性步階迴歸技術針對含有非匹配雜訊之多輸入系統設計適應性區塊步階迴歸控制器。此兩種方法的差別在於第二種方法使用了擾動估測機制於每一個虛擬控制中,而第一種方法只用 於最後一個區塊。在設計的過程中,根據受控體的區塊個數(m 個),在前m-1 個區塊中,每個區塊分別設計虛擬輸入控制器,最後,在第m 個區塊設計強健控制器。在虛擬輸入和強健控制器中,加入適應增益來估測一些未知干擾的上界常 數,如此一來,系統之擾動或估測誤差的上界即可不必事先知道。另外系統亦不須滿足區塊嚴格回授形式,而且能獲得漸進穩定或有界的特性。最後,本論文提供一個數值範例及一個實際應用的例子,以驗證本控制器的可行性。 |
Abstract |
Based on the Lyapunov stability theorem, two design methodologies of adaptive block backstepping controller is proposed in this thesis for a class of multi-input systems with matched and mismatched perturbations to solve regulation problems. The main difference between these two method is that perturbation estimations are only employed in each virtual control input in the second method, whereas in the first method, the perturbation estimation is only employed in the last block. According to the number of block (m) in the dynamic equations of plant to be controlled, m-1 virtual input controllers are designed from the first block to the (m-1)th block, and the proposed robust controller is designed from the last block. Adaptive mechanisms are employed in each of the virtual input controllers as well as the robust controller, so that the least upper bounds of perturbations and perturbation estimation errors are not required. Furthermore, the dynamic equations of the plant do not need to satisfy the block strict feedback form, and the resultant control system can achieve asymptotic stability or uniformly ultimately boundedness. Finally, a numerical example and a practical example are given for demonstrating the feasibility of the proposed control schemes. |
目次 Table of Contents |
Abstract i List of Figures iv Chapter 1 Introduction 1 1.1 Motivation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.2 Brief Sketch of the Contents . . . . . . . . . . . . . . . . . . . 3 Chapter 2 Design of Adaptive Backstepping Controllers 5 2.1 System Descriptions and Problem Formulations . . . . . . . . . 5 2.2 Design of Adaptive Backstepping Controllers . . . . . . . . . . 7 2.3 Stability Analysis . . . . . . . . . . . . . . . . . . . . . . . . . 15 2.4 Design of Adaptive Backstepping Controllers with Matched and Mismatched Perturbation Estimator . . . . . . . . . . . . . . . 21 2.5 Stability Analysis . . . . . . . . . . . . . . . . . . . . . . . . . 26 Chapter 3 Numerical example and Application 31 3.1 Numerical example . . . . . . . . . . . . . . . . . . . . . . . . 31 3.2 Practical Application . . . . . . . . . . . . . . . . . . . . . . . 57 Chapter 4 Conclusions 71 Appendix A 72 Appendix B 74 Appendix C 76 Appendix D 79 Appendix E 81 Bibliography 83 |
參考文獻 References |
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