Calculation of center of mass and inertia moment of human body in motion by means of transformation matrix

Yifang Fan; Zhiyu Li; Changsheng Lv

doi:10.1117/12.806470

13 October 2008 Calculation of center of mass and inertia moment of human body in motion by means of transformation matrix

Yifang Fan, Zhiyu Li, Changsheng Lv

Author Affiliations +

Proceedings Volume 7128, Seventh International Symposium on Instrumentation and Control Technology: Measurement Theory and Systems and Aeronautical Equipment; 71280I (2008) https://doi.org/10.1117/12.806470
Event: Seventh International Symposium on Instrumentation and Control Technology, 2008, Beijing, China

Abstract

Aim of research: Human body segment inertial parameters are the basic physical quantities in the study of human body in motion. Through careful calculation, inertial parameters such as the position of center of mass and moment of inertia of the total and segmental human body in motion in random postures have been obtained. Research method: Based upon the basic inertial parameters derived from Hanavan human body model and from Barter regression equation, upon position vector, moment and moment of inertia of the human body and segment relative to inertial reference frame by means of transformation matrix, and upon the resultant moment theorem and the parallel-axis theorem, inertial parameters such as the position of center of mass and moment of inertia of human body in random posture in motion are thus obtained. Result and conclusion: The research findings are in accordance with those of the balance plate and trilinear pendulum. The characteristics of individual and random posture of human body inertial parameter in motion are presented in this paper.

Citation Download Citation

Yifang Fan, Zhiyu Li, and Changsheng Lv "Calculation of center of mass and inertia moment of human body in motion by means of transformation matrix", Proc. SPIE 7128, Seventh International Symposium on Instrumentation and Control Technology: Measurement Theory and Systems and Aeronautical Equipment, 71280I (13 October 2008); https://doi.org/10.1117/12.806470

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