Coordinated coil scheduling method of multiple production lines for cold rolling area in steel plant
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United States of America Patent
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Aug 15, 2017
Issued Date -
N/A
app pub date -
Dec 23, 2014
filing date -
Nov 27, 2014
priority date (Note) -
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Abstract
The present invention provides a coordinated coil scheduling method of multiple production lines in cold rolling area in steel plant, comprising: acquiring the information about the candidate coils to be scheduled in each of the multiple production lines in cold rolling area; building a coordinated coil scheduling model of multiple lines; obtaining the initial coordinated coil schedule of multiple lines by using a heuristic algorithm; improving the initial coordinated coil schedule in real time; and sending the improved coordinated coil schedule to the ACS of each production line. In this method, besides different production technological requirements of each coil, the cohesion relationship of different production lines are taken into account to make material supply to each equipment reasonable, and the smooth production process of coils in each of the lines is guaranteed with the changeover minimized, such that the whole efficiency of the manufacturing process is improved.
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