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Study on Continuous-Casting Slab High-Precision Length Measurement and Cutting Control Technique

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3 Author(s)
Huiyi Zhang ; School of Computer Science, Anhui University of Technology, Ma'anshan 243002. E-mail: ; Tao Tao ; Xingli Jiao

Directed at the precision-decreasing problems like abrasion and slippage which occur in the roller for measuring continuous-casting slab length, a technology of edge detection for CCD (charge coupled device) digital image was adopted that fulfilled fixed-length cutting control at the first stage and dynamic tracing of casting speed. With hydraulic pressure cushioning and back-pushing technology, the second stage high-precision fixed-length cutting was achieved. Practical results show that the qualification rate of 2-stage fixed-length cutting within 0-8mm precision is 98.5%, and is qualified for engineering application. The technology can be applied to such fixed-length cutting control systems as those for production of giant-inertia products like medium plate and heavy rail

Published in:

2006 6th World Congress on Intelligent Control and Automation  (Volume:2 )

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