Training Assist System of a Lower Limb Prosthetic Visualizing Floor-Reaction Forces Using a Color-Depth Sensing Camera

Kunihiro OGATA; Tomoki MITA; Takeshi SHIMIZU; Nobuya YAMASAKI

doi:10.1587/transinf.2015EDP7089

Training Assist System of a Lower Limb Prosthetic Visualizing Floor-Reaction Forces Using a Color-Depth Sensing Camera

Kunihiro OGATA, Tomoki MITA, Takeshi SHIMIZU, Nobuya YAMASAKI

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Some unilateral lower-limb amputees, have through continued exertion, increase the foot reaction force of the sound leg. The asymmetric gait with a prosthetic leg may thus negatively affect the musculoskeletal health of the leg on the healthy side. Therefore, it is important for these amputees to learn how to adjust the balance of each foot load in training. The aim of this study is to develop a training support system visualizing floor-reaction forces using a color-depth sensor. The pose of the entire body of the amputee is measured by the depth sensor, and the floor reaction force is estimated based on Zero Moment Point (ZMP), which is calculated using the center of mass of the amputee. Evaluation experiments of the proposed method were performed and they confirmed the effectiveness of the estimation method and the training with the visualization of reaction force.

Publication: IEICE TRANSACTIONS on Information Vol.E98-D No.11 pp.1916-1922

Publication Date: 2015/11/01

Publicized: 2015/07/28

Online ISSN: 1745-1361

DOI: 10.1587/transinf.2015EDP7089

Type of Manuscript: PAPER

Category: Rehabilitation Engineering and Assistive Technology

Authors

Kunihiro OGATA
  National Rehabilitation Center for Persons with Disabilities
Tomoki MITA
  National Rehabilitation Center for Persons with Disabilities
Takeshi SHIMIZU
  National Rehabilitation Center for Persons with Disabilities
Nobuya YAMASAKI
  National Rehabilitation Center for Persons with Disabilities

Keyword

rehabilitation, visualization, prosthetic leg, zero moment point

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Kunihiro OGATA, Tomoki MITA, Takeshi SHIMIZU, Nobuya YAMASAKI, "Training Assist System of a Lower Limb Prosthetic Visualizing Floor-Reaction Forces Using a Color-Depth Sensing Camera" in IEICE TRANSACTIONS on Information, vol. E98-D, no. 11, pp. 1916-1922, November 2015, doi: 10.1587/transinf.2015EDP7089.
Abstract: Some unilateral lower-limb amputees, have through continued exertion, increase the foot reaction force of the sound leg. The asymmetric gait with a prosthetic leg may thus negatively affect the musculoskeletal health of the leg on the healthy side. Therefore, it is important for these amputees to learn how to adjust the balance of each foot load in training. The aim of this study is to develop a training support system visualizing floor-reaction forces using a color-depth sensor. The pose of the entire body of the amputee is measured by the depth sensor, and the floor reaction force is estimated based on Zero Moment Point (ZMP), which is calculated using the center of mass of the amputee. Evaluation experiments of the proposed method were performed and they confirmed the effectiveness of the estimation method and the training with the visualization of reaction force.
URL: https://globals.ieice.org/en_transactions/information/10.1587/transinf.2015EDP7089/_p

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@ARTICLE{e98-d_11_1916,
author={Kunihiro OGATA, Tomoki MITA, Takeshi SHIMIZU, Nobuya YAMASAKI, },
journal={IEICE TRANSACTIONS on Information},
title={Training Assist System of a Lower Limb Prosthetic Visualizing Floor-Reaction Forces Using a Color-Depth Sensing Camera},
year={2015},
volume={E98-D},
number={11},
pages={1916-1922},
abstract={Some unilateral lower-limb amputees, have through continued exertion, increase the foot reaction force of the sound leg. The asymmetric gait with a prosthetic leg may thus negatively affect the musculoskeletal health of the leg on the healthy side. Therefore, it is important for these amputees to learn how to adjust the balance of each foot load in training. The aim of this study is to develop a training support system visualizing floor-reaction forces using a color-depth sensor. The pose of the entire body of the amputee is measured by the depth sensor, and the floor reaction force is estimated based on Zero Moment Point (ZMP), which is calculated using the center of mass of the amputee. Evaluation experiments of the proposed method were performed and they confirmed the effectiveness of the estimation method and the training with the visualization of reaction force.},
keywords={},
doi={10.1587/transinf.2015EDP7089},
ISSN={1745-1361},
month={November},}

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TY - JOUR
TI - Training Assist System of a Lower Limb Prosthetic Visualizing Floor-Reaction Forces Using a Color-Depth Sensing Camera
T2 - IEICE TRANSACTIONS on Information
SP - 1916
EP - 1922
AU - Kunihiro OGATA
AU - Tomoki MITA
AU - Takeshi SHIMIZU
AU - Nobuya YAMASAKI
PY - 2015
DO - 10.1587/transinf.2015EDP7089
JO - IEICE TRANSACTIONS on Information
SN - 1745-1361
VL - E98-D
IS - 11
JA - IEICE TRANSACTIONS on Information
Y1 - November 2015
AB - Some unilateral lower-limb amputees, have through continued exertion, increase the foot reaction force of the sound leg. The asymmetric gait with a prosthetic leg may thus negatively affect the musculoskeletal health of the leg on the healthy side. Therefore, it is important for these amputees to learn how to adjust the balance of each foot load in training. The aim of this study is to develop a training support system visualizing floor-reaction forces using a color-depth sensor. The pose of the entire body of the amputee is measured by the depth sensor, and the floor reaction force is estimated based on Zero Moment Point (ZMP), which is calculated using the center of mass of the amputee. Evaluation experiments of the proposed method were performed and they confirmed the effectiveness of the estimation method and the training with the visualization of reaction force.
ER -