Manipulating Deformable Linear Objects: Manipulation Skill for Active Damping of Oscillations

Titelangaben

Schlechter, Antoine ; Henrich, Dominik:
Manipulating Deformable Linear Objects: Manipulation Skill for Active Damping of Oscillations.
In: IEEE/RSJ International Conference on Intelligent Robots and Systems. - Lausanne, Switzerland , 2002 . - S. 1541-1546
DOI: https://doi.org/10.1109/IRDS.2002.1043974

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Abstract

While handling deformable linear objects (DLOs), such as hoses, wires or leaf springs, with an industrial robot at high speed, unintended and undesired oscillations that delay further operations may occur. This paper analyzes oscillations based on a simple model with one degree of freedom (DOF) and presents a method for active open-loop damping. Different ways to interpret an oscillating DLO as a system with 1 DOF lead to translational and rotational adjustment motions. Both were implemented as a manipulation skill with a separate program that can be executed immediately after any robot motion. We showed how these manipulation skills can generate the needed adjustment motions automatically based on the readings of a wrist-mounted force/torque sensor. Experiments demonstrated the effectiveness under various conditions.