臺灣博碩士論文加值系統

無人搬運車(AGV)的階層式架構模型，包含運動學、機械運動子系統和直流馬達動力學，而虛擬期望的輸入(VDI) (即馬達需要的電流)是經由第一個Lyapunov定理得到，其組成為第一滑動曲面的二次函數，是無人搬運車姿態的線性動態誤差 ，接著，階層路徑追蹤控制(HPTC)是由第二Lyapunov定理得到，其組成為第二滑動曲面的二次函數，是VDI的線性動態追蹤誤差。如此一來，使得直接輸出(即馬達電流)漸進或有界地追蹤虛擬期望的輸入(VDI)，緊接著，使得AGV追上想要的路徑(即所規劃的AGV任務)。VDI和HPTC都具有等效控制與增強模糊動態滑動控制(IFHSMC)，其中等效控制乃是處理標稱動態系統(Nominal Dynamic System)，而IFDSMC乃是處理系統的不確定項(例如:由不同的地面條件、不同的載重所產生的摩擦力或力矩)。因此提出整合VDI和HPTC的階層增強模糊動態滑動控制(HIFDSMC) ，並以階層概念的Lyapunov穩定性定理驗證閉迴路系統的穩定性。最後，將HIFDSMC應用於裝配線上的AGV，進行載重的圓形路徑和分段直線路徑追蹤。此外，為了驗證本論文所提出之控制系統的有效性與強健性，並和階層模糊分散路徑追蹤控制 (HFDPTC)進行相關實驗之比較。

Due to the hierarchical architecture of the derived model of the automatic guided vehicle (AGV), i.e., kinematics, mechanical motion subsystem, and electrical dc motor dynamics, the virtual desired input (VDI) (i.e., the desired motor current) is at the outset designed by the 1st Lyapunov function, which is a quadratic function of the first sliding surface, set as the linear dynamic pose error of the AGV. In sequence, the hierarchical path tracking control (HPTC) is designed by the 2nd Lyapunov function, which is made up by the quadratic function of the second sliding surface, i.e., the linear dynamic tracking error of the VDI. Thus, the direct output (i.e., the motor current) either asymptotically or boundedly tracks the VDI. In this situation, the asymptotic or bounded tracking of the indirect outputs (i.e., the pose of AGV) is achieved. Both VDI and HPTC contain equivalent control and improved fuzzy dynamic sliding-mode control (IFDSMC). The nominal dynamic system is tackled by equivalent control; on the other hand, IFDSMC deals with the system uncertainties (e.g., friction force or torque caused by different ground conditions, different payloads). The integration of VDI and HPTC is the proposed hierarchical improved fuzzy dynamic sliding-mode control (HIFDSMC). The stability of the closed-loop system is also verified by Lyapunov stability theory using hierarchical concept. Finally, the application to the assembly line of the AGV with payload for tracking circular path and piecewise straight-line path by the proposed HIFDSMC are compared with the hierarchical fuzzy decentralized path tracking control (HFDPTC).

中文摘要 ............................................................................................................................... i
英文摘要 .............................................................................................................................. ii
目錄 ............................................................................................................................. iii
圖目錄 .............................................................................................................................. v
表目錄 ............................................................................................................................ vii
第一章 緒論 ........................................................................................................................ 1
第二章 數學模型與問題描述 ............................................................................................ 4
A. 數學模型 ................................................................................................................ 4
B. 問題描述 ................................................................................................................ 7
第三章 階層增強模糊動態滑動控制 ................................................................................ 9
A. 滑動曲面 ................................................................................................................ 9
B. 增強模糊動態滑動控制 ...................................................................................... 10
C. 虛擬期望的輸入的設計 ...................................................................................... 14
D. 階層路徑追蹤控制的設計 .................................................................................. 17
第四章 實驗結果與討論 .................................................................................................. 19
A. 實驗平台 .............................................................................................................. 19
B. 實驗結果 .............................................................................................................. 24
I.階層增強模糊動態滑動控制於具3kg載重的圓形追蹤 .......................... 24
II. 階層增強模糊動態滑動控制於無載重的圓形追蹤 ............................... 29
III. 階層模糊分散控制於具3kg載重的圓形追蹤 ...................................... 32
IV. 階層增強模糊動態滑動控制於具3kg載重的分段直線追蹤 ............. 36
V. 階層模糊分散控制於具3kg載重的分段直線追蹤 ............................... 39
C. 討論 ...................................................................................................................... 43
第五章 結論 ...................................................................................................................... 45
參考文獻 ............................................................................................................................ 46
附錄 .............................................................................................................................. 49
附錄 A (定理一的證明): ........................................................................................... 49
附錄 B (定理二的證明): ............................................................................................ 50

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