Title :
LASSCA-a sensor system for straightness measurement of large surfaces
Author :
Drews, P. ; Fromm, P.
Author_Institution :
Europaisches Centrum fur Mechatronik, Rheinisch-Westfalische Technische Hochschule, Aachen, Germany
Abstract :
In the field of large workpiece production, such as railway or ship manufacturing, the quality of a welded workpiece is determined by two main entities: the strength of the individual seam; and the spatial accuracy of the assembled part. A common technology for detecting global and local deformations is measuring the right angle distance between the workpiece and a reference plane. This paper introduces a newly developed sensor system which measures the complete envelope curve of a workpiece based on a rotating laser beam and a light sensitive receiver. A short overview of the measurement principle and the signal processing realised as well as the application of the sensor in the field of railway production are presented
Keywords :
measurement by laser beam; quality control; signal processing; spatial variables measurement; LASSCA sensor system; applications; global deformation; light sensitive receiver; local deformation; measurement principle; rotating laser beam; signal processing; straightness measurement; welded workpiece quality; workpiece production; Assembly; Goniometers; Laser beams; Manufacturing; Marine vehicles; Production; Rail transportation; Rotation measurement; Sensor systems; Welding;
Conference_Titel :
Industrial Electronics, Control, and Instrumentation, 1996., Proceedings of the 1996 IEEE IECON 22nd International Conference on
Conference_Location :
Taipei
Print_ISBN :
0-7803-2775-6
DOI :
10.1109/IECON.1996.570924
