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Development of an Automatic Online Gap-Detection Scheme for Levitated Industrial Steel-Plate Conveyance System

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3 Author(s)
Cheng-Tsung Liu ; Nat. Sun Yat-Sen Univ., Kaohsiung ; Yung-Yi Yang ; Sheng-Yang Lin

For stabilizing the steel-plate conveyance process, efforts on providing appropriate extra electromagnetic forces at the run-out-table of a steel mill have been extensively investigated. Such objectives can be achieved by implementing fixed poles on top of the rollers at the run-out-table to provide the controllable 2-D lift and propulsive forces, and the movable steel plate can then be driven in the desired directions. To realize the entire process, by considering the operational environment at a steel mill, an image-based online gap-detection scheme with real-time parameter calibration process has been developed. Results show that the system that is implemented with a fine-tuned interfacing/ processing scheme can supply rapid and accurate online 2-D gap profiles and, thus, fulfill the design and on-site operational objectives.

Published in:

Industry Applications, IEEE Transactions on  (Volume:44 ,  Issue: 2 )