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研究生: 高崇銘
Gao, Chong-Ming
論文名稱: 配置LSCMD多自由度系統採用最小能量控制律之即時複合試驗
Real-Time Hybrid Testing of MDOF System Equipped with LSCMD by Adopting Least Energy Method
指導教授: 朱世禹
Chu, Shih-Yu
學位類別: 碩士
Master
系所名稱: 工學院 - 土木工程學系
Department of Civil Engineering
論文出版年: 2017
畢業學年度: 105
語文別: 中文
論文頁數: 132
中文關鍵詞: 半主動控制槓桿式勁度可控質量阻尼器最小能量法控制律複合實驗
外文關鍵詞: Semi-Active Control, Leverage-type Stiffness Controlled Mass Damper, Least Energy Method, Real-Time Hybrid Testing
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  • 槓桿式勁度可控質量阻尼器(Leverage-type Stifness Controlable Mass Damper , LSCMD)於單自由度實驗驗證已有相當多文獻參考。然而於現實中皆為多自由度之高樓結構,因此本文將最小能量法(Least Energy Method)嵌於LSCMD中,並透過模擬程式針對現有之兩代機構LSCMD I及LSCMD II置於高樓結構進行模擬比較。對於多自由度中最小能量法半主動控制律若欲實現則需回授所有樓層之訊號,因此本文提出簡化模型並透過模擬初步驗證其可行性,同時模擬高摩擦(高等值阻尼比)以及低摩擦(低等值阻尼比)之調諧質量阻尼器其半主動控制成效之優劣,文中模擬結果亦顯示低摩擦機構其半主動控制將有更多之發揮空間,如此即可於實際應用上加裝較低成本之低等值之阻尼器。最後於文末透過複合實驗之技術進行多自由度結構之實驗驗證,透過模擬與實驗歷時比較確認其可行性,惟LSCMD II因硬體限制導致其結果不如預期。另外本文亦介紹現有兩機構之控制硬體設備,為後續研究者加以熟悉及推廣應用。

    The performance of the Leverage-type Stiffness Controlled Mass Damper (LSCMD) had been verified in single-degree-of-freedom experiments. In order to apply Least Energy Method (LEM) control law to LSCMD with a multiple-degree-of-freedom,simulation results are given in this study. However, the computation of control command requires full-state signals feedback, it must to be face many difficult obstacle. To resolve this problem, the simplified numerical model which is utilized to easily compute this control law is proposed in this study. In addition, the performance comparison of the first generation LSCMD(LSCMD I) system whose equivalent damping ratio is high and the second generation LSCMD(LSCMD II) system also proposed. To verify the feasibility of the LSCMD system whose control force is computed based on the simplified numerical model, real time hybrid testing for the LSCMD I and the LSCMD II is conducted.

    論文摘要 I Extended Abstract II 誌謝 VI 目錄 VIII 表目錄 XI 圖目錄 XIV 第1章 緒論 1 1.1 前言 1 1.2 文獻回顧 2 1.2.1 關於被動調諧質量阻尼器之文獻 2 1.2.2 關於半主動控制之文獻 3 1.2.3 關於槓桿式勁度可控質量阻尼器之文獻 4 1.2.4 關於最小能量法控制律之文獻 4 1.3 本文內容 5 第2章 最小能量法應用於多自由度結構之半主動控制理論 7 2.1 多自由度結構裝設LSCMD模型 7 2.1.1 建立運動方程式 7 2.1.2 連續時間與離散時間狀態空間方程式 9 2.1.3 LSCMD機構摩擦力 11 2.2 最小能量法之理論 13 2.2.1最小能量法半主動控制律理論 13 2.2.2 最小能量法推廣於多自由度簡化方法 15 2.3 數值模擬 16 2.3.1 簡化模型控制成效比較 16 2.3.2 摩擦效應對LEM控制成效之比較 18 第3章實驗機構與控制設備 47 3.1 實驗機構差異性 47 3.2 控制設備 48 3.2.1 槓桿式勁度可控質量阻尼器一代之控制設備 48 3.2.2 槓桿式勁度可控質量阻尼器二代之控制設備 50 3.3 參數識別 51 3.3.1 勁度識別 51 3.2.2 摩擦係數識別 53 第4章 複合實驗結果分析 72 4.1 實驗試體與設備 72 4.2 實驗流程與方法 73 4.3 複合實驗控制成效 73 4.3.1 LSCMD I控制成效 74 4.3.2 LSCMD II控制成效 76 4.3.3 兩代機構實驗控制成效比較 77 4.4 實驗擬合驗證 79 4.4.1 LSCMD I擬合結果 79 4.4.2 LSCMD II擬合結果 80 4.5 小結 81 第5章 結論與建議 123 5.1 本文結論 123 5.2 未來研究方向建議 124 參考文獻 125

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