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A novel adaptive object impedance control strategy is presented for dual-arm cooperative humanoid manipulators. A general impedance scheme comprising internal impedance control and object impedance control is adopted, which aims at conferring a compliant behavior both in end-effector level and object lever. The adaptation law for the stiffness and damping of object impedance is derived from Lyapunov...
A tactile sensor based varying contact point manipulation strategy that utilizes the mathematical models based on the assumption of fixed contact points is proposed to manipulate unknown objects with rolling contact for dexterous robot hand. In this strategy, fingertip tactile sensor is utilized to detect contact position and to update the size parameters about the finger end-link when rolling occurs...
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