International Journal of Robotics Research
IEEE Transactions on Systems, Man, and Cybernetics, Part B: Cybernetics
IEEE Transactions on Systems, Man, and Cybernetics, Part B: Cybernetics
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This paper proposes a control method for running biped robot with desired arm motion based on resolved momentum control. The focus is to maintain robot stability by using redundant degrees of freedom when running biped robot has desired arm motion. Motions for robot stability are calculated by predetermined the reference angular momentum keeping robot balance based on resolved momentum control. The reference angular momentum maintaining robot stability is determined by linear relationship with the angular momentum from constraint motions by a gradient optimization method. Under the assumption that the vertical center of mass (CoM) motion is simple hopping robot, trajectories of vertical and horizontal CoM are generated based on inverted pendulum model (IPM). A series of computer simulations of a 28-DOF biped robot showed that running of a biped robot with desired arm motions stably was successfully achieved with the proposed method.