Double closed-loop control of the focal point position in laser beam welding

Measurement Science and Technology

Volumn 14, Issue 11, 2003, Pages 1938-1943

  Zhang, Xudong ^a   Chen, Wuzhu ^a   Jiang, Ping ^a   Liu, Chun ^a   Guo, Jing ^a  

^a TSINGHUA UNIVERSITY   (China)

Author keywords

Double closed loop control; Foca point position; Laser beam welding; Nozzle workpiece distance; Thermal focusing

Indexed keywords

CLOSED LOOP CONTROL SYSTEMS; FOCUSING; OPTICAL SENSORS; PHOTODIODES; PLASMA APPLICATIONS;

FOCAL POINT POSITION; PLASMA CHARGE SENSORS (PCS);

LASER BEAM WELDING;

CLOSED LOOP CONTROL; WELDING;

EID: 0344845400     PISSN: 09570233     EISSN: None     Source Type: Journal    
DOI: 10.1088/0957-0233/14/11/011     Document Type: Article

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