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Lower Project Cost,Shorten Construction Schedule and Promote Market Competition of Fossil Power Plants
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《Electricity》 1999年第3期23-27,共5页
关键词 PROJECT Lower Project Cost Shorten Construction schedule and Promote Market competition of Fossil Power Plants
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Rule-based scheduling of multi-stage multi-product batch plants with parallel units 被引量:2
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作者 Bin Shi Xinrui Qian +1 位作者 Shanshan Sun Liexiang Yan 《Chinese Journal of Chemical Engineering》 SCIE EI CAS CSCD 2017年第8期1022-1036,共15页
A novel rule-based model for multi-stage multi-product scheduling problem(MMSP)in batch plants with parallel units is proposed.The scheduling problem is decomposed into two sub-problems of order assignment and order s... A novel rule-based model for multi-stage multi-product scheduling problem(MMSP)in batch plants with parallel units is proposed.The scheduling problem is decomposed into two sub-problems of order assignment and order sequencing.Firstly,hierarchical scheduling strategy is presented for solving the former sub-problem,where the multi-stage multi-product batch process is divided into multiple sequentially connected single process stages,and then the production of orders are arranged in each single stage by using forward order assignment strategy and backward order assignment strategy respectively according to the feature of scheduling objective.Line-up competition algorithm(LCA)is presented to find out optimal order sequence and order assignment rule,which can minimize total flow time or maximize total weighted process time.Computational results show that the proposed approach can obtain better solutions than those of the literature for all scheduling problems with more than 10 orders.Moreover,with the problem size increasing,the solutions obtained by the proposed approach are improved remarkably.The proposed approach has the potential to solve large size MMSP. 展开更多
关键词 Line-up competition algorithm Order assignment role Multi-stage multi-product Parallel unit Scheduling optimization
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