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Development of a Novel Parallel Structure for Gait Rehabilitation

Development of a Novel Parallel Structure for Gait Rehabilitation
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Author(s): Rogério Sales Gonçalves (Federal University of Uberlândia, Brazil)and Lucas Antônio Oliveira Rodrigues (Federal University of Uberlandia, Brazil)
Copyright: 2020
Pages: 40
Source title: Handbook of Research on Advanced Mechatronic Systems and Intelligent Robotics
Source Author(s)/Editor(s): Maki K. Habib (The American University in Cairo, Egypt)
DOI: 10.4018/978-1-7998-0137-5.ch003

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Abstract

This chapter deals with the development of a new active body weight support, based on a parallel robotic structure with 5 degrees of freedom. Initially, a revision of the main structures applied in body weight support for gait rehabilitation is presented, along with a conceptual model of the proposed structure. Therefore, the inverse kinematics and singularity analysis are performed. A dynamic model is then built based on the obtained kinematics, and all parts of the structure are optimized using an evolutional algorithm. Finally, a CAD model of the structure is built based on the optimized dimensions and the model is applied to computational simulations of the gait rehabilitation, being thus ready for prototype construction.

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