Control method and system for a trackless autonomous crawling all-position arc welding robot with wheels and permanent magnet caterpillar belts
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United States of America Patent
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Mar 3, 2009
Grant Date -
Jul 6, 2006
app pub date -
Dec 19, 2005
filing date -
Aug 19, 2003
priority date (Note) -
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Abstract
A method and system are provided for a trackless autonomous crawling all-position arc welding robot with wheels and permanent magnet caterpillar belts. A sensor detects a welding seam position and transmits the position to a tracking controller. The tracking controller sends instructions to a welding torch which may be moved in generally horizontal and vertical directions based upon the instructions. Additionally, a crawler drive controller receives the welding seam position and sends a control signal to an AC servomotor drive that positions the crawler based on the control signal.
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