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This paper deals with the trajectory planning of a full-rotate parallel robot for wafer transfer operations. With the path length in work space of the robot as parameter, the dynamic model is parameterized. The system constraints-input torque and velocity constraints and the task constraints-output velocity, acceleration, and jerk limits are set; with the minimized operation time as the optimization...
A filter for trajectories smoothing is presented. The filter provides an output reproducing the input trajectory if this is compliant with given constraints on the velocity, the acceleration and the torque required for tracking it. Otherwise, the filter approximates the input profile guaranteeing that the output trajectory satisfies all the kinematic and dynamic limits. The tracking of the input signal...
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