研究生: |
許妙如 Miao-Ju Hsu |
---|---|
論文名稱: |
承重跑步機訓練之下肢外骨骼復健機器人滑動模式控制 Sliding Mode Control of a Lower-limb Exoskeleton Robot for Body-weight Support Treadmill Training |
指導教授: |
郭重顯
Chung-Hsien Kuo |
口試委員: |
黃漢邦
Han-Pang Huang 蘇順豐 Shun-Feng Su 彭昭暐 none 李明義 none |
學位類別: |
碩士 Master |
系所名稱: |
電資學院 - 電機工程系 Department of Electrical Engineering |
論文出版年: | 2015 |
畢業學年度: | 103 |
語文別: | 中文 |
論文頁數: | 80 |
中文關鍵詞: | 自適應滑動模式控制 、外骨骼復健 、運動訓練 、復健機器人 |
外文關鍵詞: | adaptive sliding mode control, exoskeleton rehabilitation, locomotor training, rehabilitation robots |
相關次數: | 點閱:192 下載:0 |
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隨著對醫療復健設備之需求增加以及機器人技術進步,下肢外骨骼復健機器人技術發展逐漸成熟;其不但可以提高復健之品質與有效性,也大幅改善物理治療師在為病患進行下肢復健之體力付出與負擔。有鑑於此,本文研發一具四自由度之下肢外骨骼復健機器人控制系統,此一控制系統可以結合承重系統以及動力跑步機,進行根據受測者所設計之下肢復健訓練軌跡控制。實務上,一般的比例-微分(Proportional-derivative)控制器可以應用於下肢外骨骼復健機器人之關節馬達伺服控制;然而,當使用於不同體重條件下之受測者時,PD控制器無法自動地調整控制參數,以達到理想的下肢復健軌跡追蹤,也不能對於受試者的體重變化產生相對應得適應性變化。為了解決上述問題,本文研發自適應滑動模式控制器來即時追蹤根據受測者所設計之下肢復健訓練軌跡,以降低不同受試者體重條件下控制效能之影響。根據模擬和實驗結果,本文所提出之自適應滑動模式控制器相較於一般之比例-微分控制器,其不但不需要針對不同受試者進行額外的控制調整參數,也具有更好的軌跡追蹤性能。
.With the increasing demands of rehabilitation facilities and the advances of robotic technologies, lower-limb exoskeleton rehabilitation robots have been proposed to improve the quality and effectiveness of rehabilitation, as well as to reduce the effort and load of physiotherapists. In this thesis, a four-degrees-of-freedom lower-limb exoskeleton rehabilitation robot control system was developed to work with a body-weight support system and a power treadmill to perform subject specific locomotor training trajectories. Practically, conventional proportional-derivative(PD)control approach may be applied to the servo control of joint motors; However, it cannot adaptively deal with the subject's weight variations. To overcome this challenge, an adaptive sliding mode control approach was realized to track specific locomotor training trajectories with the considerations of different subjects' weights. According to the simulation and experiment results, the adaptive sliding mode controller represented better trajectory tracking performance than conventional PD controllers. Moreover, the adaptive sliding mode controller is capable of dealing with different subjects' conditions without extra adjusting operational control parameters.
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