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A compliant two-fingered microgripper is designed, fabricated, and demonstrated. To mimic human finger actuation, the proposed finger is distributively actuated by a shape memory alloy (SMA) wire. An SMA-actuated finger model is presented to predict SMA strain and finger motion given its contraction force. Based on this model, the finger shape and SMA wire dimension are optimally designed. The gripper...
A compliant two-fingered microgripper was designed, fabricated, and demonstrated. To accommodate objects of various sizes and weights, the gripper is distributively actuated by shape memory alloy (SMA) wires so that high gripping range to gripper length ratio and mechanical advantage are achieved. A SMA actuated gripper model is presented to predict SMA strain and gripper deflection by using measurements...
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