A Multifunctional Ankle Foot Orthosis Utilizing a Magnetorheological Actuator

Y Zhou; L Liu

doi:10.1088/1757-899X/813/1/012001

Author(s)

Related Research Unit(s)

Department of Biomedical Engineering

Detail(s)

Original language	English
Article number	012001
Journal / Publication	IOP Conference Series: Materials Science and Engineering
Volume	813
Online published	13 May 2020
Publication status	Published - 2020

Conference

Title	2019 2nd International Conference on Advanced Nanomaterials and Nanodevices, ICANN 2019
Place	China
City	Shanghai
Period	23 - 25 October 2019

Link(s)

DOI	DOI https://doi.org/10.1088/1757-899X/813/1/012001 Final Published version
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Attachment(s)	Documents 47768989.pdf Final Published version, 397 KB, PDF Publisher's Copyright Statement This full text is made available under CC-BY 3.0. https://creativecommons.org/licenses/by/3.0/
Link to Scopus	https://www.scopus.com/record/display.uri?eid=2-s2.0-85085195576&origin=recordpage
Permanent Link	https://scholars.cityu.edu.hk/en/publications/publication(31ffc284-0313-46c5-b3d5-19a08be03a43).html

Abstract

The intelligent material, so-called magnetorheological (MR) fluid, is used in the design of an ankle foot orthosis. This paper presents the configuration of a multifunctional ankle foot orthosis that is equipped with a novel MR actuator. At first, the structure of the orthosis is introduced. Then, according to the mounting position of the actuator, the MR actuator is conceived by designing the structure and magnetic circuit. The actuator has three working modes, assistant, resistant and free modes. Finally, the manual power consumptions of two conditions, gait with and without the orthosis, are investigated; electricity consumptions of two cases, orthosis with and without the MR actuator, are compared.