Productivity load equalization method for cold rolling final finishing units of steel enterprise
A finishing unit and load balancing technology, applied in the direction of rolling mill control devices, metal rolling, metal rolling, etc., can solve the problems of complex factors, large amount of data, passive and so on
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[0082] By testing the production contract data of a cold rolling finishing unit in a large iron and steel enterprise from June 7 to 22, 2007, the specific method steps are as follows:
[0083] Step 1: Establish an initial population of 100 solutions according to the heuristic method. This heuristic method combines greedy and random strategies, that is, first randomly selects a contract to be adjusted, calculates the objective function value of the contract produced by each unit, selects the unit with the largest objective function value, and then randomly selects another contract to repeat Until all the contracts to be adjusted select production units, an initial solution is obtained. After obtaining an initial solution through the above heuristic, randomly select a contract again, and then obtain a solution according to the heuristic method, so as to obtain the required initial population of 100 solutions in turn.
[0084] The second step: the quality of the solutions in the...
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