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Design and analysis of a novel parallel mechanism for prosthetic knee wear test simulators
, Article Journal of Mechanical Science and Technology ; Volume 31, Issue 2 , 2017 , Pages 885-892 ; 1738494X (ISSN) ; Farahmand, F ; Durali, M ; Abedinnasab, M. H ; Sharif University of Technology
Korean Society of Mechanical Engineers
2017
Abstract
Using a parallel mechanism in the wear test simulators of prosthetic knees provides an easy access to the femoral and tibial components during tests. Moreover, because of its higher accuracy and load capacity, in comparison with serial mechanisms, it allows simulation of heavier tasks, such as climbing stairs, to be performed. This paper describes a new 3 Degree of freedom (DoF) spatial 2T1R (T: Translational DoF; R: Rotational DoF) parallel mechanism, for reproducing the force and motion of the tibial component of the knee prostheses in a wear test simulator. Kinematics and dynamics analysis of the mechanism indicated that it can satisfy the required DoFs, workspace and load capacity...