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題 名 | 基於ER三明治樑吸振器之Type-2 Fuzzy結構振動控制=Type-2 Fuzzy Vibration Control for a Structure Using an ER Sandwich Absorber |
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作 者 | 林志哲; 劉穎; | 書刊名 | 應用聲學與振動學刊 |
卷 期 | 5:2 2013.12[民102.12] |
頁 次 | 頁17-26 |
分類號 | 448.94 |
關鍵詞 | 電流變液; 模糊控制; 區間第二型模糊控制; 可調式吸振器; Electro-Rheological fluid; Fuzzy control; Interval type-2 fuzzy control; Tunable vibration absorber; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究以區間第二型模糊理論作為基礎,探討Interval Type-2模糊控制。本文實驗以三明治電流變液樑做一可調式吸振器,電流變液(electrorheological fluid, ERF)是一種智慧型材料,由不導電流體與介電懸浮微粒組成,在極板間施加電場後微粒會產生鏈結現象,使三明治電流變液樑之剛性與阻尼產生改變,利用電流變液隨電場大小改變剛性及阻尼之特性,將其設計成一可調式吸振器並結合主結構,根據實驗經驗設計Interval Type-2模糊控制調整吸振器電場大小來降低主結構之振動,並與Type-1比較結果。 |
英文摘要 | This research is aimed to study the achievements of controlling a sandwich cantilever beam embedded with electro-rheological fluid as a tunable vibration absorber. In this study, the sandwich beam is filled with electro-rheological fluid as a structure of the vibration absorber. The electric field makes the suspended particles be polarized and connected with each other to form chain. The viscosity and the yield stress of the ER fluid is increasing as the electric field is applied, so it can be applicable as a tunable vibration absorber. This study describes the dynamic properties of the sandwich cantilever beam of which natural frequencies of the beam increase with the electric field. Therefore it is suitable to be the dynamic vibration absorber (DVA). According to the experimental results, an interval type-2 fuzzy controller is proposed to accomplish the semi-active vibration control using the DVA. The experimental results are compared for the self-tuning control method and the traditional method. |
本系統中英文摘要資訊取自各篇刊載內容。