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系統識別號 U0026-1907201821090700
論文名稱(中文) 複材機翼振動控制之感測器與致動器最佳配置
論文名稱(英文) Optimal Placement of Sensors and Actuators in Vibration Control of Composite Wings
校院名稱 成功大學
系所名稱(中) 航空太空工程學系
系所名稱(英) Department of Aeronautics & Astronautics
學年度 106
學期 2
出版年 107
研究生(中文) 徐鈺青
研究生(英文) Yu-Ching Hsu
電子信箱 at23762318@gmail.com
學號 P46051220
學位類別 碩士
語文別 中文
論文頁數 65頁
口試委員 指導教授-胡潛濱
口試委員-夏育群
口試委員-楊文彬
中文關鍵字 複材機翼  最佳配置  振動控制 
英文關鍵字 composite wing  optimal placement  vibration control 
學科別分類
中文摘要 複合材料在航空產業已經有大量的實際應用,其中複合疊層夾心材料模擬於在靜態及動態相關研究上雖有一些文獻可供參考,但在結構振動控制部分較少見,且較少研究是建立在真實的複材機翼結構。而在致動器及感測器配置問題上,大多是採用同位的方式黏貼於結構物上下表面,較少文獻有提及分開任意擺放的形式。
本文研究複材機翼感測器與致動器最佳配置問題,以考量翼型函數之複材機翼為模型,致動器與感測器黏貼於機翼上下翼面之任意位置,透過有限元素軟體ANSYS撰寫複材機翼振動控制參數語言,感測器輸出值及輸入電壓構成之二次形式為目標函數,搭配其軟體內部之最佳化模組,探討感測器與致動器擺放的最佳位置。除此之外,對於配置方面額外討論了複合夾心樑、複合夾心板等例,並以翼面漸縮之機翼進行驗證及探討。
英文摘要 Composite materials have been used extensively in the aviation industry. Although some investigations in static and dynamic performances of composite laminated sandwich materials can be found, it’s rarely seen the research about structural vibration suppression, and less research is based on the composite wing structures. Besides, in the configuration of actuators and sensors, less literature has been mentioned in the form of separate placement.
This paper discusses the optimal placement of sensors and actuators. A composite wing with an airfoil function is considered as a model. The actuators and the sensors are glued to any position on the upper and lower wing surfaces. Simulations of active vibration control are done by ANSYS. In optimization problem, a quadratic function related to the vibration amplitude and control input is defined as the objective function. With optimization module in the software, the optimal placement of the sensors and actuators is discussed. In addition, the composite sandwich beam and panel are extra discussed in terms of configuration, and the composite wing with tapered airfoil is verified and discussed.
論文目次 摘要 I
ABSTRACT II
致謝 XIII
目錄 XIV
表目錄 XVI
圖目錄 XVII
符號說明 XIX
第一章 緒論 1
1.1前言 1
1.2文獻回顧 1
1.3本文架構 2
第二章 複材機翼 4
2.1複材機翼結構模擬 4
2.2複材機翼振動控制 5
第三章 有限元素模擬 8
3.1分析範例 8
3.2機翼翼型 11
3.3振動控制模擬 13
3.3.1元素選用 13
3.3.2有限元素模型之建立 14
3.3.3定義材料屬性 15
3.3.4結構網格化及邊界條件 20
3.3.5複材機翼振動控制 22
第四章 最佳化設計 26
4.1數學模型 26
4.1.1設計變數 26
4.1.2狀態變數 28
4.1.3目標函數 28
4.2最佳化設計工具 29
4.2.1分析流程 29
4.2.2參數設定 30
第五章 結果與討論 37
5.1複合夾心樑 37
5.2複合夾心板 43
5.3複材等寬機翼 49
5.4複材漸縮機翼 58
第六章 結論 63
參考文獻 64
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