Abstract
The deformation of the compliant part is the key factor that affects the production efficiency of the automobile press line. Considering multi-manipulator trajectories and part contours, this paper quantitatively analyzes the deformation of compliant parts when the manipulator transfers sheet metal parts. A multi-objective co-optimization method is proposed to generate smooth motion curves with smaller velocity, acceleration, and jerk. Based on the built-in module of rigid to flex in ADAMS software, some rigid parts such as the end effector and sheet metal part are transformed into compliant ones. And the redundant manipulator in the press line is taken as the representative case to check whether the trajectory performance is conducive to deformation suppression. Simulation result shows that the jerk curve without cusp points is more conducive to suppressing the part deformation than that with cusp points.
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