Abstract
This paper presents a structure of robust adaptive control for biped robots which includes balancing and posture control for regulating the center of mass position and trunk orientation of bipedal robots in a compliant way. First, the biped robot is decoupled into the dynamics of center of mass (COM) and the trunks. Then, the adaptive robust controls are constructed in the presence of parametric and functional dynamics uncertainties. The control computes a desired ground reaction force required to stabilize the posture with unknown dynamics of COM and then transforms these forces into full-body joint torques even if the external disturbances exist. The verification of the proposed control is conducted using the extensive simulations.
This work is supported by the Natural Science Foundation of China under Grants 60804003, 61174045, 61111130208, the International Science and Technology Cooperation Program of China under 0102011DFA10950, and the Fundamental Research Funds for the Central Universities (No. 2011ZZ0104), National Basic Research Program of China (973 Program) under Grant No. 2011CB707005, National High Technology Research and Development Program of China(863, Â 2011AA040701).
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Li, Z., Ge, S.S. (2012). Balancing and Posture Controls for Biped Robots with Unmodelled Dynamics. In: Su, CY., Rakheja, S., Liu, H. (eds) Intelligent Robotics and Applications. ICIRA 2012. Lecture Notes in Computer Science(), vol 7506. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-33509-9_6
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DOI: https://doi.org/10.1007/978-3-642-33509-9_6
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