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- W2796399713 abstract "Grasp planning for multi-fingered hands is computationally expensive due to the joint-contact coupling, surface nonlinearities and high dimensionality, thus is generally not affordable for real-time implementations. Traditional planning methods by optimization, sampling or learning work well in planning for parallel grippers but remain challenging for multi-fingered hands. This paper proposes a strategy called finger splitting, to plan precision grasps for multi-fingered hands starting from optimal parallel grasps. The finger splitting is optimized by a dual-stage iterative optimization including a contact point optimization (CPO) and a palm pose optimization (PPO), to gradually split fingers and adjust both the contact points and the palm pose. The dual-stage optimization is able to consider both the object grasp quality and hand manipulability, address the nonlinearities and coupling, and achieve efficient convergence within one second. Simulation results demonstrate the effectiveness of the proposed approach. The simulation video is available at: http://me.berkeley.edu/%7Eyongxiangfan/IROS2018/fingersplit.html" @default.
- W2796399713 created "2018-04-13" @default.
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- W2796399713 date "2018-03-30" @default.
- W2796399713 modified "2023-10-16" @default.
- W2796399713 title "Real-Time Grasp Planning for Multi-Fingered Hands by Finger Splitting" @default.
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- W2796399713 doi "https://doi.org/10.48550/arxiv.1804.00050" @default.
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