Welding Robot Guidance By Look-Ahead Optical Sensors

L.H. J.F Beckmann; G. L. Oomen

doi:10.1117/12.943490

1 June 1988 Welding Robot Guidance By Look-Ahead Optical Sensors

L.H. J.F Beckmann, G. L. Oomen

Proceedings Volume 0863, Industrial Optoelectronic Measurement Systems Using Coherent Light; (1988) https://doi.org/10.1117/12.943490
Event: 1987 Symposium on the Technologies for Optoelectronics, 1987, Cannes, France

Abstract

In optical sensor systems for guiding a welding robot along a seam a "look-ahead" or "preview" distance is necessary. The look-ahead-time is used to advantage in control algorithms which can compensate for delay times in the robot controller. Simple and sophisticated control methods are described. With the so-called delayed shift method, originally intended for globally straight sections, it appears to be possible to track more complicated trajectories, without the requirement of a two-way interface between sensor and robot.

Citation Download Citation

L.H. J.F Beckmann and G. L. Oomen "Welding Robot Guidance By Look-Ahead Optical Sensors", Proc. SPIE 0863, Industrial Optoelectronic Measurement Systems Using Coherent Light, (1 June 1988); https://doi.org/10.1117/12.943490

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