In this paper, we propose the use of inverse dynamics in a closed-form with direct dynamics for interactive motion control of a human skeleton. An efficient recursive algorithm based on Newton-Euler formulae is used to calculate the force and torque produced by joint actuator in order to fulfill a desired motion. The resulting force and torque are then used in direct dynamics to make the final motion with external force and torque. Armstrong-Green algorithm is used for direct dynamic simulation. To decrease the errors in numerical integration, we use foui in-order Runge-Kutta method instead of Euler method. Inverse dynamic functions calculate the required force and torque at every small time interval in the process of direct dynamic simulation. In this way, it will correct errors at each time interval. The direct and inverse dynamic functions are integrated in the software TRACK with direct and inverse kinematics functions that provide a more powerful way for human animation.


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    Title :

    Interactive Human Motion Control Using a Closed-Form of Direct and Inverse Dynamics


    Contributors:

    Publication date :

    1994-01-01


    Remarks:

    ISBN: 978-981-02-1896-6 ; Fundamentals of Computer Graphics pp. 243-255


    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English



    Classification :

    DDC:    629



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