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題 名 | Vibration Isolation by Using Magnetostrictive Actuator=磁縮致動器之用於減振 |
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作 者 | 蕭俊祥; | 書刊名 | 華梵學報 |
卷 期 | 5 1998.08[民87.08] |
頁 次 | 頁69-74 |
分類號 | 446.1 |
關鍵詞 | 減振; 磁縮致動器; 模糊邏輯控制器; 類神經網路; Vibration attenuation; Magnetostrictive actuator; Fuzzy logic controller; Neural network; |
語 文 | 英文(English) |
中文摘要 | 本論文提出用磁縮致動器減振之初期實驗結果。原理係用磁縮致動器提供--外界 干擾源之反向力以抑制系統振動。主動式振動控制係各別由實現於數位電腦中之二種控制法 則達成。實驗結果顯示當系統受到外界 -- 正弦波干擾時,類神經網路有最好的減振效果, 模糊邏輯控制器次之,PID 控制器殿後。類神經網路的非線性映像與適應性學習能力是其表 現最好的原因,因為磁縮致動器本身具非線性特性。 |
英文摘要 | In the paper a preliminary experimental study on vibration attenuation by using magnetostrictive actuator with Terfenol-D rod is presented. The magnetostrictive actuator is used to provide a counter force to disturbance excitation for suppressing vibrational response. Three controllers implemented in a digital computer are employed indivisually for active vibration control. Experimental results show that neural network controller outperforms the fuzzy logic controller, which in turn outperforms the PID (proportional-integral-derivative) controller, in suppressing vibrational amplitude, when the system is subjected to a sinusoidal disturbance. Nonlinear mapping and adaptive learning capability account for the best performance of the neural controller, since magnetostrictive actuator itself behaves nonlinearly. |
本系統中英文摘要資訊取自各篇刊載內容。