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研究生:呂仲岳
研究生(外文):Chung-YuehLu
論文名稱:應用即時複合實驗進行配置PFCMD多自由度系統控制參數之最佳化探討
論文名稱(外文):Optimization of the Control Parameters of MDOF System Equipped with PFCMD Through Real-Time Hybrid Testing
指導教授:朱世禹
指導教授(外文):Shih-Yu Chu
學位類別:碩士
校院名稱:國立成功大學
系所名稱:土木工程學系
學門:工程學門
學類:土木工程學類
論文種類:學術論文
論文出版年:2017
畢業學年度:105
語文別:中文
論文頁數:178
中文關鍵詞:即時複合實驗振動台實驗半主動壓電摩擦型質量阻尼器多自由度系統可變摩擦機構
外文關鍵詞:real time hybrid testshaking table testpiezoelectric friction controllable mass dampermulti-story structuresfriction controllable system
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能替代振動台實驗且具有經濟性之方法其一為傳統結合油壓制動器與反力牆之擬動態實驗,但對於摩擦型且與速度相依隔震元件之效能測試尚有許多瓶頸需要克服,為使傳統擬動態實驗之加載速率更接近真實結構系統之反應,本文提出與振動台結合之即時複合實驗技術。即時複合實驗係將次結構置於振動台台上,並回授次結構系統之層間總剪力進行數值運算,同時以振動台呈現主結構系統之反應,為一種實現次結構與主結構互制之即時實驗技術。為了驗證即時複合實驗技術之可行性,本文採用半主動壓電式摩擦型質量阻尼器為次結構系統,以即時複合實驗與振動台實驗做比對,而實驗結果顯示即時複合實驗能夠完整重現振動台實驗之結果。因此,本文進一步將即時複合實驗技術推廣至應用階段,以即時複合實驗探討次結構半主動控制參數對其減振效果之影響。此外,本文首度開發主結構多模態行為應用於即時複合實驗技術,將實驗控制端之主結構推廣至多自由度系統,並配置半主動壓電式摩擦型質量阻尼器於多自由度主結構頂層,探討其可行性與控制參數對於減振成效之影響。
The pseudo dynamic test is a combination of numerical analysis and experimental test that can emulate the dynamic behavior of structure under environmental loading such as seismic event. However, the behavior of the isolator which is depending on velocity or friction is hard to replace by the pseudo dynamic test. The first purpose of this thesis is to evaluate the applicability of real time hybrid test (RTHT) of a piezoelectric friction controllable mass damper system (PFCMD) by comparing its performance with shaking table test. The key interface of RTHT is the feedback inter-story shear force between the PFCMD and the main structure, where the PFCMD is an experimentally physical substructure that directly installed on a shaking table and the main structure is numerically simulated by a shaking table. The result of testing shows that the responses of main structure and PFCMD during RTHT are similar to the shaking table test. Therefore, the design of PFCMD for reuction of seismic vibrations in multiple degree of freedom stuctures are tested through RTHT. The optimization of the control parameters on PFCMD-structure system is also investigated.
論文摘要 I
EXTENDED ABSTRACT II
誌謝 VIII
目錄 IX
表目錄 XII
圖目錄 XIV
第一章 緒論 1
1.1 前言 1
1.2 文獻回顧 2
1.3 本文內容 5
第二章 多自由度即時複合實驗理論介紹 6
2.1前言 6
2.2多自由度即時複合實驗之實驗控制端(主結構)系統運動方程式 6
2.3多自由度即時複合實驗之運作原理 9
第三章 裝設PFCMD系統即時複合實驗驗證 14
3.1前言 14
3.2振動台實驗系統介紹 14
3.2.1滾軸單擺結構系統組成結構介紹 14
3.2.2壓電式摩擦型調諧質量阻尼器系統組成結構介紹 14
3.2.3振動台實驗之架構與流程 15
3.3振動台實驗結構系統識別 16
3.3.1振動台實驗之系統運動方程式 16
3.3.2非線性摩擦力之剪力平衡法推導 18
3.3.3 PFCMD控制律理論介紹 19
3.3.4主結構與子結構參數識別 20
3.4即時複合實驗系統介紹 21
3.4.1單自由度即時複合實驗之實驗控制端(主結構)系統運動方程式 22
3.4.2即時複合實驗之設備架構與流程 23
3.5即時複合實驗驗證結果 24
3.5.1數值模擬與振動台實驗之結果驗證 24
3.5.2數值模擬誤差指標 26
3.5.3即時複合實驗與振動台實驗之結果驗證 28
3.5.4即時複合實驗誤差指標 30
3.6小結 33
第四章 配置PFCMD單自由度系統控制參數之最佳化探討 88
4.1前言 88
4.2配置PFCMD非最佳化頻率比於單自由度模型之即時複合實驗 88
4.2.1模型參數說明 88
4.2.2非最佳化模型頻率比之減振成效 89
4.3配置PFCMD最佳化頻率比於單自由度模型之即時複合實驗 93
4.3.1模型參數說明 93
4.3.2最佳化模型頻率比之減振成效 94
4.3.3最佳化與非最佳化模型之減振成效結果比較 96
4.4小結 98
第五章 配置PFCMD多自由度系統控制參數之最佳化探討 134
5.1前言 134
5.2 配置PFCMD於多自由度主結構之即時複合實驗 134
5.2.1模型參數說明 134
5.2.2振動台效能驗證 135
5.2.3 PFCMD減振成效 137
5.3 小結 140
第六章 結論與建議 174
6.1結論 174
6.2建議 175
參考文獻 176
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