ABSTRACT
This paper proposes a portable exoskeleton to assist patients suffering from upper limb dysfunction in their activities of daily livings (ADLs) independently. While therapies assisting patients with bi-manual activities, the exoskeleton is able to record trajectory and replicate motion. It is driven by pneumatic artificial muscles (PAMs) with 4 actuated DOFs (degrees of freedom) including 1 passive DOF. The total weight of the exoskeleton is only 5.6 kilograms, which makes it possible to wear it for a long period. At the medial/lateral rotation of shoulder joint and flexion-extension of the elbow joint, pairs of PAMs are used to imitate antagonistic muscles. Only one PAM is utilized to control each of shoulder flexion-extension and abduction-adduction, whose positions can be adjusted according to patient's weight. A kinematic model is built to simulate the trajectory in 3-D space, which is verified by the comparison of the simulated results with the experimental implementations. We have tested the function of motion replication on a platform and the value of error is within the tolerance. The future improvement of the device involves adding springs to cooperate with the single actuated PAM and modified control strategy to adapt to users' physical conditions.
- Benjamin, E.J., et al., Heart Disease and Stroke Statistics-2017 Update A Report From the American Heart Association. Circulation, 2017. 135(10): p. E146-E603.Google Scholar
- V. M. Parker, D.T.W.R.L.H., Loss of arm function after stroke: Measurement, frequency, and recovery. International rehabilitation medicine., 1986. 8:2: p. 69--73.Google Scholar
- Beer, R.F., J.P.A. Dewald, and W.Z. Rymer, Deficits in the coordination of multijoint arm movements in patients with hemiparesis: evidence for disturbed control of limb dynamics. Experimental Brain Research, 2000. 131(3): p. 305--319.Google Scholar
- Dromerick, A.W.L., Catherine E.; Birkenmeier, Rebecca; Hahn, Michele G.; Sahrmann, Shirley A.; and Edwards, Dorothy F., Relationships between upper-limb functional limitation and self-reported disability 3 months after stroke. Journal of Rehabilitation Research and Development., 2006. 43, 3: p. 401--408.Google Scholar
- Chen, J. and P.S. Lum, Pilot testing of the spring operated wearable enhancer for arm rehabilitation (SpringWear). Journal of Neuroengineering and Rehabilitation, 2018. 15.Google ScholarCross Ref
- Ivanova, G.B., S & Ryu, Jee-Hwan & Poduraev, J., Development of an Exoskeleton System for Elderly and Disabled People, in International Conference on Information Science and Applications, ICISA 2011. 2011. Google ScholarDigital Library
- Tse Tsui, S.-H.H., Bo-Jyun Huang, Tsung-Yen Tsai, Chia-yu Chang, and Wen-Pin Shih, Exoskeleton design for human arm corresponding to human's arm motion., in International Conference on Intelligent Unmanned Systems. 2017: Tamsui, New Taipei City, Taiwan.Google Scholar
- Carignan, C.L., M & Roderick, S., Design of an arm exoskeleton with scapula motion for shoulder rehabilitation, in Advanced Robotics, 2005. ICAR '05. Proceedings., 12th 2005, IEEE Xplore. p. 524--531.Google ScholarCross Ref
- Tsagarakis, N.C., D.G. & Medrano-Cerda, Gustavo., A 7 DOF pneumatic muscle actuator (pMA) powered exoskeleton, in Robot and Human Interaction, 1999. RO-MAN '99. 8th IEEE 1999, IEEE Xplore. p. 327--333.Google Scholar
- McCormick, E.J., Human Factors Engineering, ed. r. Edition. 1970: McGraw-Hill; 2nd Revised edition edition (1970).Google Scholar
- Perry, J.C., J. Rosen, and S. Bums, Upper-limb powered exoskeleton design. Ieee-Asme Transactions on Mechatronics, 2007. 12(4): p. 408--417.Google Scholar
- Denavit, J.H., Richard Scheunemann, A kinematic notation for lower-pair mechanisms based on matrices. Transaction of the ASME. Journal of Applied Mechanics., 1955. 23: p. 215--221Google Scholar
Index Terms
- A Portable Exoskeleton Driven by Pneumatic Artificial Muscles for Upper Limb Motion Replication
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