Sensors and Control Systems in Arc Welding

ISBN-13: 9780412474903 / Angielski / Twarda / 1993 / 424 str.

Hirokazu Nomura

Opis

This book presents the state-of-the-art of the technology from the Japanese perspective, and covers sensors, sensing systems, measurement and control in relation to welding technologies. A general review of the technology in Japan is followed by thirty nine chapters on applications of sensors to welding processes.

Spis treści

Part 1: General review. Introduction to sensing systems and their application in arc welding processes. State-of-the-art review of sensors and their application in welding processes. Control system. Basis for welding process control. Sensor techniques and welding robots. Analysis of questionnaire results on sensor application to welding processes. Future aspects and subject. Part 2: Collected papers on applications of sensors to welding processes. Groove tracking control by laser sensing method. Development of automatic multi-layer welding system applying laser sensing technique. Online visual sensor system for arc-welding robot. Welding robot with visual seam tracking sensor. An arc-welding robot with a compact visual sensor. Development of robot for three-dimensional multi-layer welding with vision sensor. Visual arc sensor (ARC-EYE). Fuzzy control of CO2 short-arc welding. Application of fuzzy neural network to welding line tracking. Magnetic control of arc in high speed TIG welding. Adaptive control of welding condition using visual sensing. Automatic welding system with laser optical sensor for heavy-wall structures. Group-control system of narrow-gap MIG welding. Automatic control technique for narrow gap GMA welding. A study on automatic control system of one-side submerged arc welding by flux copper backing. Touch sensor and arc sensor for arc welding robots. Application of arc sensor to robotic seam tracking. Dynamic analysis of arc-length and its application to arc-sensing. Robot welding with arc sensing. Arc sensing method by fuzzy control. Development and application of arc sensor control with high speed rotating arc process. Groove tracking control by arc welding current. Automatic seam tracking and bead height control by arc sensor. Through-the-arc sensing control of welding speed for one-sided welding. Some kinds of wire ground sensors. Application of touch sensor to arc welding robot. Automatic welding for LNG corrugated membrane. Welding process monitoring by arc sound. Vibrating reed sensor for tracing the centre of narrow groove. Development of ultra heat-resistant electro-magnetic sensing system for automatic tracking of welding joint. Motion generation of an off-line programming system of an arc-welding robot. Application of an off-line teaching system for arc welding robots. Development and availability of IC-card welding system for automatic welding. Development of remote-controlled circumferential TIG welding system. In-process control system in one side SAW. Application of arc sensor and visual sensor on arc welding robots. Intelligent arc welding robot and simultaneous control of penetration depth and bead height. NC welding robot for large structures. Development of fully automatic pipe welding system.