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D-H parameter method is employed to conduct forward kinematic analysis of the dexterous hand in this article, in order to obtain the mechanical performance of the SMA biomimetic flexible dexterous hand for object grasping. The D-H parameters of the dexterous hand are determined, and the position expression of the fingertip relative to the base coordinate is obtained through theoretical calculations. Furthermore, inverse kinematic theoretical analysis of the biomimetic dexterous hand is conducted to obtain the joint angle parameters of each finger. A forward kinematic simulation model of the biomimetic dexterous hand is established, and the relationship between finger joint angles and fingertip position curves is obtained through simulation. The simulation results are compared with the theoretical analysis results to validate the correctness of the kinematic analysis of the dexterous hand, providing insights for its optimized design.
Xu et al. (Wed,) studied this question.
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