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JRM Vol.33 No.4 pp. 919-926
doi: 10.20965/jrm.2021.p0919
(2021)

Paper:

Development and Control of Power-Assisted Lumbar Suit Based on Upper-Body Acceleration

Hiroshi Suzuki, Ayaka Sumoto, Takahiro Kitajima, Akinobu Kuwahara, and Takashi Yasuno

Tokushima University
2-1 Minamijyousanjima-cho, Tokushima 770-8506, Japan

Received:
February 2, 2021
Accepted:
June 3, 2021
Published:
August 20, 2021
Keywords:
power-assisted lumbar suit, nursing care, upper-body acceleration
Abstract
Development and Control of Power-Assisted Lumbar Suit Based on Upper-Body Acceleration

Developed power-assisted lumber suit

In this study, we propose a method to estimate the assistive timing requirements for a power-assisted lumbar suit based on upper-body acceleration. Our developed power-assisted suit combines of springs, wires, and an electrical motor to provide efficient assistance. The assistive torque provided by the suit was determined based on a digital human model. The assistive timing using the electrical motor was calculated from the upper-body acceleration measured using two internal accelerometers. Herein, we present the experimental results based on the myoelectricity of a muscle during lifting motions involving three participants acting as caregivers to elderly patients.

Cite this article as:
Hiroshi Suzuki, Ayaka Sumoto, Takahiro Kitajima, Akinobu Kuwahara, and Takashi Yasuno, “Development and Control of Power-Assisted Lumbar Suit Based on Upper-Body Acceleration,” J. Robot. Mechatron., Vol.33, No.4, pp. 919-926, 2021.
Data files:
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Last updated on Sep. 19, 2021