Abstract
With the further development of virtual human simulation technology and motion modeling, it is an important task to construct and simplify the virtual human geometry model. Aiming at the issues including large computational overhead, unnatural model generation gesture, change of kinematic chain structure and high complexity, this paper takes the body extension motion as the research object, uses the forward dynamics calculation method, conducts analysis of dynamic control structure of arm movement, and uses inverse kinematics algorithm to control leg movement. According to the forward dynamics algorithm to study the collision contact model of the foot and the ground, the virtual human could act more naturally and consistently in extension motion and the computational complexity could be effectively reduced.
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