Dynamic Modelling And Simulation Of Sit To Stand On Simmechanics

Year 2012, Volume: 16 Issue: 3, 205 - 212, 01.06.2012

Kasım Serbest Murat Çilli Osman Eldoğan

Abstract

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Keywords

Inverse dynamics method, Motion analysis, SimMechanics

Oturup Kalkma Hareketinin Simmechanics Ortamında Dinamik Modellenmesi Ve Benzetimi

Abstract

In this study, simulation of developed an inverse dynamics model to analysis of sit to stand which is the one of the essential tasks of daily function was carried out. The human body has been composed as a total of 6 rigid- open loop-body model consisted of a foot, a leg, a thigh, a trunk, an arm and a forearm using SimMechanics (2.7.1). Motion of the subject whose anthropometric properties transferred to the SimMechanics model has been viewed with a video camera to drive the joints. The reaction forces when the subject placed on reflective markers performs movements (standing from 20 cm, 40 cm and 50 cm height) have been measured by the force plate. It has been benefited by codes created with MATLAB (7.6.0) to digitize monitored the two- dimensional movements. The calculated vertical ground reaction forces, as a result of the simulation of the inverse dynamics model on SimMechanics, have been compared with the measured vertical ground reaction forces and it has been observed the results are close to each other when the subject performs the movements. This study has been shown that SimMechanics was successful to analyse human movements. It is possible to perform different analysis thanks to its flexible structure of the model.

Keywords

Ters dinamik yöntem, Hareket analizi, SimMechanics

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