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This paper proposes a tendon driven system with antagonistic pairs of polyarticular tendons to simulate a variable stiffness of a human fingertip. The stiffness of a robot finger should be adjusted according to a situation that includes large position errors or collisions, because it tolerates errors of object positions and dimensions in assembly task and absorbs collision energy in hitting or catching...
This paper proposes a polyarticular tendon drive system to simulate a variable stiffness of a human fingertip. The stiffness determines displacement of the fingertip when an external force is affected to it. The stiffness should be adjusted not only according to measurement precision of object's dimensions in order to allow grasping position errors, but also according to tolerance of the assembly...
This paper introduces an exoskeleton assistive hand that supports human hand and wrist activities by using user's bioelectric potential to control the exoskeleton movement. The exoskeleton has three active joints for an index finger, three active joints for combination of a middle finger, a ring finger and a little finger and two active joints for a thumb. It also has two passive joints between the...
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