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  4. Guidance-control-based exoskeleton rehabilitation robot for upper limbs: Application to circle drawing for physiotherapy and training
 
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Guidance-control-based exoskeleton rehabilitation robot for upper limbs: Application to circle drawing for physiotherapy and training

Journal
Journal of Medical and Biological Engineering
Journal Volume
34
Journal Issue
3
Pages
284-292
Date Issued
2014
Author(s)
Wang, W.-W.
Tsai, B.-C.
Hsu, L.-C.
LI-CHEN FU  
JIN-SHIN LAI  
DOI
10.5405/jmbe.1663
URI
http://www.scopus.com/inward/record.url?eid=2-s2.0-84903758461&partnerID=MN8TOARS
http://scholars.lib.ntu.edu.tw/handle/123456789/383308
Abstract
Cerebral vascular disease is the leading cause of functional disability among adults. Approximately half of allstroke survivors continue to suffer from severe neurological deficits and hemiparesis in the upper extremities as well as many secondary complications due to immobilization. Robotics can provide highly intensive intervention in troke rehabilitation as well as an objective means of measuring patient progress. This tudy designs an upper limbrehabilitation(Rehab)robot with multiple degrees of freedom. This design provides a wider range of motion in 3-dimentional space than that provided by an existing endpoint-fixation system. In addition, unlike cable uspension systems that lack biofeedback, the sensors incorporated into the proposed design can be used to detect the voluntary force produced by the stroke patient. The Rehab robot features an exoskeleton-type design with in-built redundancy, a guidance control system, and force feedback using an electromyographic trigger. Three rehabilitation modes can be selected by physical therapists according to the severity of the patient's upper-limb impairment: passive, active, and guidance. Guidance mode assists patients in motor training, with programs such as drawing circles, which involves complex movements that require coordination between the shoulder and elbow joints. Such skills are ideally suited to relearning functional tasks following a stroke. Physical experiments were conducted in this pilot study to evaluate the performance of the Rehab robot. The results indicate that the robot could be effective. Guidance mode achieves the desired guidance functions, informing the subject of the pose required to complete the task as well as enabling them to reduce unnecessary muscle use.
Subjects
Exoskeleton; Kinematics; Rehabilitation; Robot-assisted therapy
SDGs

[SDGs]SDG3

Other Subjects
Biofeedback; Coordination reactions; Electronic medical equipment; Kinematics; Patient rehabilitation; Patient treatment; Personnel training; Physical therapy; Robots; 3-Dimentional spaces; Cerebral vascular disease; Exoskeleton; Functional disabilities; Multiple degrees of freedom; Physical experiments; Rehabilitation robot; Robot-assisted therapies; Machine design; abduction; adduction; adult; article; control system; controlled study; device safety; drawing; elbow; elbow flexion; electromyogram; forearm; geometry; hand; human; human experiment; impedance; male; motor coordination; normal human; patient safety; physiotherapy; pilot study; robotic exoskeleton; sensor; shoulder; stroke patient; torque; wrist; young adult
Type
journal article

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