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Dynamics of a running below-knee prosthesis compared to those of a normal subject
, Article Journal of Solid Mechanics ; Volume 5, Issue 2 , 2013 , Pages 152-160 ; 20083505 (ISSN) ; Zohoor, H ; Firoozbakhsh, K ; Hosseini, R ; Sharif University of Technology
Islamic Azad University
2013
Abstract
The normal human running has been simulated by two-dimensional biped model with 7 segments. Series of normal running experiments were performed and data of ground reaction forces measured by force plate was analyzed and was fitted to some Fourier series. The model is capable to simulate running for different ages and weights at different running speeds. A proportional derivative control algorithm was employed to grant stabilization during each running step. For calculation of control algorithm coefficients, an optimization method was used which minimized cinematic differences between normal running model and that of the experimentally obtained from running cycle data. This yielded the...
Dynamic Simulation of Running Human Normal and with Below-Knee Prosthesis
, M.Sc. Thesis Sharif University of Technology ; Firoozbakhsh, Keykhosro (Supervisor) ; Zohoor, Hassan (Supervisor)
Abstract
Researches in the field of human gait have a lot of applications in medicine, ergonomics, sport science and technology. Lower limb prostheses design is one of the fields in which human gait is important. One of the best methods of gait analysis is to use analytical models. In this project, first, the normal human was simulated using a two-dimensional biped model with 7 segments, i.e., a HAT segment representing head, arms and trunk, and 6 segments representing thighs, shanks and feet of the two legs. In this model the foot-ground contact was is estimated using Taylor series after running experiment and it’s analysis which is expendable to people with different ages and different weight and...