氣壓肌肉為一種具有快速的響應、調節容易、且安全性高等優點之致動器，其可撓性使人體與機械之間的接觸更加安全，因此期望可將氣壓肌肉應用於義肢輔具或復健穿戴衣物進而協助老年人或身障人士改善其自主生活能力。本研究之目的為研發一套使用氣壓肌肉作為致動器之下背部輔具，減少使用者搬運重物所需的力量。惟臺灣境內目前尚未有廠商生產氣壓肌肉，若有需求只能仰賴國外進口，但國外廠
商的設計不見得能完全符合穿戴輔具應用的需求，成本也相對較高。本論文完成說明自製氣壓肌肉的製作步驟，以及氣壓肌肉與下背部輔助服結合的步驟。研究中針對氣壓肌肉在輔助服上的裝配位置分為三種裝配位置 (Type 1、Type 2、Type 3) 進行測試，其差別在於氣壓肌肉與下方固定點的距離。根據實驗結果，將三種裝配的氣壓肌肉的力量 F、收縮量 h 與假人傾斜角度 θ 的關係進行比較，發現氣壓肌肉裝配方式不同對輔助服能提供的效益影響不大，因此未來在實際人體上設計時，氣壓肌肉的安裝位置所受到限制較小。在氣壓肌肉操作壓力為 5bar 時，此輔具所能提供的最大扭矩為假人本身 3.5 公斤加上負重 14 公斤所造成的扭矩。而在進行扭矩平衡時也使用了薄膜式壓力感測器進行表面壓力的量測，其中單點最大壓力為 250 kPa。未來將以此輔助服為基礎發展控制法則，使其能夠平順的將人體從水平拉至挺直狀態，將其應用於義肢輔具相關技術。

Pneumatic muscle is an actuator with fast response, easy to adjustment, and high safety as its pliability makes the contact between the human body and the machine safer. Therefore, the pneumatic muscles are expected to be applied to assistive technologies that enables the elders and disables to live autonomously. The purpose of this research is to develop a back support wear that use pneumatic muscles as actuators to reduce the amount of power users need to carry heavy loads. However, there are no manufacturers producing pneumatic muscles in Taiwan currently. If there is demand, it can only rely on foreign imports, but the design of foreign manufacturers may not be fully compatible with the requirements of wearing accessories, and the cost is relatively high. This thesis completes the steps of how to make a pneumatic muscle and combine it with a back support wear. In the experiment, the assembly position of the pneumatic muscles on the auxiliary clothing was divided into three assembly positions for testing(Type 1、Type 2、Type 3), and the difference between these was the distance between the pneumatic muscles and the fixed point below. According to the experimental results, the relationship between the strength F, the contraction amount hand the angle of inclination of the dummy of the three assembled pneumatic muscles are compared. It is found that the different methods of assembly of the pneumatic muscle have little effect on the benefit provided by the auxiliary service. Therefore, in the future design of actual human body, the installation position of the pneumatic muscle is less restricted. The experimental results show that at a barometric pressure of 5 bar, the maximum torque that the accessory can provide is the torque from 3.5 kg dummy and 14 kg load. A membrane pressure sensor was also used to measure the surface pressure during torque balance, with a single point maximum pressure of 250 kPa. In the future, the control law will be developed based on this auxiliary, so that it can smoothly pull the human body from the horizontal to the straight state and apply it to the related technologies of prosthetic aids.

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