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| 題 名 | Electromagnetic Actuators for Suppressing Viration Control of a Cantilever Beam with a Tip Mass=應用電磁致動器於具有端點質量之懸臂樑的抑振控制 |
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| 作 者 | 王俊超; | 書刊名 | 高苑學報 |
| 卷 期 | 9 2003.07[民92.07] |
| 頁 次 | 頁49-71 |
| 分類號 | 448.94 |
| 關鍵詞 | 電磁致動器; 懸臂樑; 振動控制; 雙線性研究; Electromagnetic actuator; Cantilever beam; Vibration control; Bilinear system; |
| 語 文 | 英文(English) |
| 中文摘要 | 本論文主要是研究使用電磁致動器控制懸臂樑系統之振動控制,在電磁致動器部分包括電磁鐵、線圈及貼在鐵心上方的永久磁鐵,而懸臂樑上則貼有一塊與電磁鐵上相同的永久磁鐵;平時兩個永久磁鐵因斥力效應使懸臂樑保持在一平衡位置,而一等效模式的簡化動態方程,可藉由能量法或模態分析來求得。其統後方程式亦可簡化成雙線性系統,在本文中,將採用PID、二次方程及最佳化控制器三種控制方式,運用在電磁致動器來抑制具有端點質量之懸臂的振動,並藉由模擬及實驗證明來比較三者控制器於抑制振效應時之有效性 |
| 英文摘要 | The aim of this study is to develop an electromagnetic actuator (EMA) for the vibration control of a cantilever beam with a tip mass. The proposed EMA system consists of an electromagnet and a permanent magnet attached on its top, whereas another permanent magnet is installed at the tip of the cantilever beam. The gravity force is balanced using the repulsive force between the tow permanent magnets. The governing equation of the beam vibration under the proposed EMA can be simplified as a bilinear system (BLS). In this study, the PID control, quadratic feedback control and optimal feedback control laws are employed to control the coil currents of electromagnet. Comparisons of experimental results and numerical solutions reveal that vibrations of the cantilever beam are effectively suppressed by using the proposed EMA with all the three control efforts. |
本系統中英文摘要資訊取自各篇刊載內容。