Damping oscillations in a wire bending process
This paper presents an approach to modify CAD/CAM generated motion profiles for wire bending machines in order to damp wire oscillations without decreasing machine throughput. Two different methodologies are presented both leveraging on a simple and easily identifiable model of wire oscillations the first one based on a filtering approach the second one on an optimisation approach. The two methodologies are both characterised by a low computational complexity allowing them to be integrated directly in the bending machine user interface and can rely on a standard camera to identify wire oscillation parameters. A thorough experimental validation of the approaches is also presented showing promising results in damping oscillations with wires of different materials.