Preliminary study on the design and control of a pneumatically-actuated hand rehabilitation device
Houcheng Li; Cheng Long
2017
会议名称32nd Youth Academic Annual Conference of Chinese Association of Automation (YAC)
会议日期MAY 19-21, 2017
会议地点Hefei
会议举办国China
摘要In recent years, the robotic devices have been used in hand rehabilitation training practice. The majority of existing robotic devices for rehabilitation belong to the rigid exoskeleton. However, rigid exoskeletons may have some limitations such as heavy weight, un-safety and inconvenience. This paper presents a device designed to help post-stroke patients to stretch their spastic hands. This hand rehabilitation device actuator is fabricated by soft material, powered with fluid pressure, and embedded in one glove surface. The distinguished features of this device are: safety, low cost, light weight, convenience and pneumatic actuation. In clinical practice, rehabilitation therapists should help the post-stroke patients to stretch fingers to a desired joint position. Therefore, the control objective of the proposed hand rehabilitation device is to drive the patient's finger bending angle to a predesigned position. To this end, curvature sensors embedded in the glove are used to measure the finger's bending angle. A commercial data glove is used to collect the actual finger's bending angle for calibrating the curvature sensors based on a three-layer back-propagation (BP) neural network. Then the error between the designed joint position and the actual joint position can be calculated. An error proportional control strategy is adopted for the positioning control objective (the controller's input is the pump speed). Finally, experiments are conducted to validate the effectiveness of control method and the capacity of the proposed hand rehabilitation device.
文献类型会议论文
条目标识符http://ir.ia.ac.cn/handle/173211/23123
专题复杂系统管理与控制国家重点实验室_先进机器人
推荐引用方式
GB/T 7714
Houcheng Li,Cheng Long. Preliminary study on the design and control of a pneumatically-actuated hand rehabilitation device[C],2017.
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