A Multifunctional Ankle Foot Orthosis Utilizing a Magnetorheological Actuator

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Original languageEnglish
Article number012001
Journal / PublicationIOP Conference Series: Materials Science and Engineering
Online published13 May 2020
Publication statusPublished - 2020


Title2019 2nd International Conference on Advanced Nanomaterials and Nanodevices, ICANN 2019
Period23 - 25 October 2019



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.

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