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Authors: Daisuke Chugo 1 ; Nobuhiro Goto 1 ; Satoshi Muramatsu 2 ; Sho Yokota 3 and Hiroshi Hashimoto 4

Affiliations: 1 Kwansei Gakuin University, Japan ; 2 Tokai University, Japan ; 3 Toyo University, Japan ; 4 Advanced Institute of Industrial Technology, Japan

ISBN: 978-989-758-198-4

Keyword(s): Manual Wheelchair Assistance, Passive Robotics, Servo Brake, Gravitation-Negating Control Algorithm, User’s Intention-based Control Algorithm.

Related Ontology Subjects/Areas/Topics: Human-Machine Interfaces ; Informatics in Control, Automation and Robotics ; Mechatronics Systems ; Robotics and Automation

Abstract: This paper proposes a novel driving-assistance system for manual wheelchairs with consideration of both uphill and downhill conditions. On an inclined road, there is a high risk of a wheelchair moving in a direction that the user does not intend. In our previous works, the user has driven our assistive wheelchair in the usual manner. Our proposed system estimates its user’s intentions and passively works to complement their intentional force by negating the wheel traction that is generated by the road’s inclination using only the servo brakes on each wheel. Nevertheless, in some cases, our system fails to assist the driving motion of its user because the user drives the wheelchair in several ways that depend upon the environmental condition, for example, during uphill or downhill driving. The required assistance is not constant according to the situation, and it is difficult to assist with one wheel-control algorithm. Therefore, in this study, we first investigate the required assista nce condition according to the driving situation by conducting a preliminary experiment with wheelchair users. Considering the results of this investigation, we then propose a novel user interface that intuitively shows the system information and a wheel-control algorithm that selects a suitable wheel controller according to the driving situation. (More)

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Paper citation in several formats:
Chugo, D.; Goto, N.; Muramatsu, S.; Yokota, S. and Hashimoto, H. (2016). Wheelchair Assistance with Servo Braking Control Considering Both the Gravitation-Negating and the User’s Intention-based Assistance.In Proceedings of the 13th International Conference on Informatics in Control, Automation and Robotics - Volume 2: ICINCO, ISBN 978-989-758-198-4, pages 335-343. DOI: 10.5220/0005980503350343

@conference{icinco16,
author={Daisuke Chugo. and Nobuhiro Goto. and Satoshi Muramatsu. and Sho Yokota. and Hiroshi Hashimoto.},
title={Wheelchair Assistance with Servo Braking Control Considering Both the Gravitation-Negating and the User’s Intention-based Assistance},
booktitle={Proceedings of the 13th International Conference on Informatics in Control, Automation and Robotics - Volume 2: ICINCO,},
year={2016},
pages={335-343},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0005980503350343},
isbn={978-989-758-198-4},
}

TY - CONF

JO - Proceedings of the 13th International Conference on Informatics in Control, Automation and Robotics - Volume 2: ICINCO,
TI - Wheelchair Assistance with Servo Braking Control Considering Both the Gravitation-Negating and the User’s Intention-based Assistance
SN - 978-989-758-198-4
AU - Chugo, D.
AU - Goto, N.
AU - Muramatsu, S.
AU - Yokota, S.
AU - Hashimoto, H.
PY - 2016
SP - 335
EP - 343
DO - 10.5220/0005980503350343

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