Title: Investigation of energy expenditure for exoskeleton walking: a case study

Authors: Yanxin Zhang; Samuel Anderson

Addresses: Department of Sport and Exercise Science, The University of Auckland, Auckland 1020, New Zealand. ' Department of Sport and Exercise Science, The University of Auckland, Auckland 1020, New Zealand

Abstract: Investigation of energy expenditure during human movement is essential in understanding movement control mechanism, which can provide useful information for clinical gait analysis and in designing assistive motion devices. With the advancement in technology, exoskeletons are becoming a commercial possibility. This research aimed to develop a biomechanical approach to evaluate the mechanical and metabolic energy expenditure of walking with an exoskeleton. A case study was conducted to examine the energy expenditure of walking with a non-powered lower limb exoskeleton compared to walking without its use. Testing results showed that walking with a non-powered lower limb exoskeleton significantly increased energy expenditure and there was a slight difference in the energy expenditure between a coupled and uncoupled hip reciprocating mechanism when using the exoskeleton.

Keywords: assistive devices; human-machine interface; HMI; rehabilitation; energy expenditure; exoskeleton walking; movement control; clinical gait analysis; exoskeletons; biomechanics.

DOI: 10.1504/IJBBR.2012.049590

International Journal of Biomechatronics and Biomedical Robotics, 2012 Vol.2 No.1, pp.26 - 31

Received: 08 May 2021
Accepted: 12 May 2021

Published online: 09 Oct 2012 *

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