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題名 | Viration Control of a Cantilever Beam with a Tip Mass by an Electromagnetic Actuator=用電磁致動器對具有端點質量之懸臂樑的振動控制 |
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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73-88 |
分類號 | 448.94 |
關鍵詞 | 電磁致動器; 雙線性系統; Electromagnetic actuator; Bilinear system; |
語文 | 英文(English) |
中文摘要 | 在本文中,將採用電磁致動器來壓制具有端點質量之懸臂樑的振動。而一個等效模式的簡化動態方程,可籍由能量法或模態分析來求得。其統禦方程式亦可簡化成雙線性系統,並使用二次和最佳化回饋的控制法則,來控制懸臂樑的振動;然而,從模擬結果發現,我們可藉由電流的大小,使懸臂樑漸近地穩定。從兩者控制法則的數值模擬結果中,我們可以有夜地控制懸臂樑之振動,並驗證理論的分析。 |
英文摘要 | In this paper, an electromagnetic actuator (EMA) is applied to suppress vibrations of a cantilever beam with a tip mass. By using the energy methods and the method of mode shape, a simplified dynamic equation of equivalent model can be determined. The governing equations of motion can be simplified as a bilinear system (BLS). By using the quadratic and optimal feedback control laws, it is found that the coil currents of electromagnet successfully suppress vibrations, and the system is globally asymptotically stable. Numerical results comparing the performances of the control algorithms are provided to validate the theoretical analysis. |
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