冗余鋪絲機械手自運動流形分析及優(yōu)化
[Abstract]:In order to improve the flexibility and obstacle avoidance ability of the traditional position and pose separated wire laying manipulator, a new self-moving manifold algorithm for the position and pose coupling redundant laying manipulator is proposed in order to improve the flexibility and obstacle avoidance ability of the composite wire laying process. Because of the strong coupling between the joints of the redundant filament-laying manipulator, the inverse solution is difficult to solve, so the inverse solution of the redundant filament-laying manipulator is decomposed into the known Paden-Kahan spin quantum problem and the special rotatory quantum problem composed of the position joints. The inverse solution of redundant wire-laying manipulator is obtained by solving the special spin quantum problem, which improves the efficiency and intuitiveness of solving the inverse solution of the redundant wire-laying manipulator effectively compared with the position and pose separation method. Since the inverse solution of the redundant wire laying manipulator presents the structure of manifold, according to the multidimensional characteristics of the self-moving manifold of the redundant wire laying manipulator, The self-moving manifold of redundant filament-laying manipulator is mapped to position joint space and attitude joint space respectively to obtain its three-dimensional simulation curve. Because the optimal manifold of the redundant wire laying manipulator is more valuable in practical control, so the end actuator of the manipulator moves smoothly along the core mold trajectory in order to minimize the change of the joint velocity of the manipulator. Based on the constraint functional of the joint velocity of the redundant wire-laying manipulator, the corresponding kinematics optimization manifold is proposed, which lays the foundation for the subsequent optimal control. Finally, the feasibility of the proposed method is verified by taking the S-shaped inlet of a certain type of aircraft as an example.
【作者單位】: 南京航空航天大學機電學院;
【基金】:國家自然科學基金(51175261) 國家“973”計劃(2014CB046501) 高等學校博士學科點專項科研基金(20123218110020)~~
【分類號】:TP241
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