In this paper, we analyze a spatial 3-degree-of-freedom cable-driven robot with a point-mass end-effector suspended by 3 cables. The kinematic and dynamic behaviour of this robot was investigated in previous works, in particular, the possibility of taking advantage of inertia forces on the end-effector to enlarge the robot workspace. Here, we propose to use this highly dynamic robot as a robotic sling, in order to perform throwing operations: the end-effector uses a gripper to carry an object, and the gripper opens at a suitable instant in order to launch the object towards a given target point. The mathematical model and results from numerical simulations are presented.
Dynamically-Feasible Trajectories for a Cable-Suspended Robot Performing Throwing Operations
Mottola G.;Carricato M.;
2021-01-01
Abstract
In this paper, we analyze a spatial 3-degree-of-freedom cable-driven robot with a point-mass end-effector suspended by 3 cables. The kinematic and dynamic behaviour of this robot was investigated in previous works, in particular, the possibility of taking advantage of inertia forces on the end-effector to enlarge the robot workspace. Here, we propose to use this highly dynamic robot as a robotic sling, in order to perform throwing operations: the end-effector uses a gripper to carry an object, and the gripper opens at a suitable instant in order to launch the object towards a given target point. The mathematical model and results from numerical simulations are presented.File | Dimensione | Formato | |
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Lin_Mottola_Carricato_Jiang_Li_Romansy2020_Published.pdf
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