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A New Method of Transmission Network Flexible Planning Using the Connection Number
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作者 金华征 程浩忠 《Journal of Shanghai Jiaotong university(Science)》 EI 2008年第4期436-442,共7页
Because connection number can express and process synthetic uncertainties caused by various uncertainties in the transmission network planning, a connection number model (CNM) was presented to compare the values of co... Because connection number can express and process synthetic uncertainties caused by various uncertainties in the transmission network planning, a connection number model (CNM) was presented to compare the values of connection number logically. This paper proposed a novel model for transmission network flexible planning with uncertainty. In the proposed planning model both certainty and uncertainty information were included, and the cost-benefit analysis method was used to evaluate the candidate schemes in the objective function. Its good adaptability and flexibility were illustrated through two examples. 展开更多
关键词 transmission network planning UNCERTAINTY flexible planning connection number connection number model (CNM) blind number
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Modeling and optimization methods of integrated production planning for steel plate mill with flexible customization 被引量:1
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作者 卢山 苏宏业 +2 位作者 Charlotta Johnsson 王越 谢磊 《Chinese Journal of Chemical Engineering》 SCIE EI CAS CSCD 2015年第12期2037-2047,共11页
With diversified requirements and varying manufacturing environments, the optimal production planning for a steel mill becomes more flexible and complicated. The flexibility provides operators with auxiliary requireme... With diversified requirements and varying manufacturing environments, the optimal production planning for a steel mill becomes more flexible and complicated. The flexibility provides operators with auxiliary requirements through an implementable integrated production planning. In this paper, a mixed-integer nonlinear programming(MINLP) model is proposed for the optimal planning that incorporates various manufacturing constraints and flexibility in a steel plate mill. Furthermore, two solution strategies are developed to overcome the weakness in solving the MINLP problem directly. The first one is to transform the original MINLP formulation to an approximate mixed integer linear programming using a classic linearization method. The second one is to decompose the original model using a branch-and-bound based iterative method. Computational experiments on various instances are presented in terms of the effectiveness and applicability. The result shows that the second method performs better in computational efforts and solution accuracy. 展开更多
关键词 Production planning Steel plate mill Flexibility Mixed integer nonlinear programming
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A Study on the Architecture of Flexible ERP Based on Multi-Agent Technology
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作者 LI Gang, SUN Lin-yan (Management School of Xi’an Jiaotong University, Xi’an 710049, China ) 《厦门大学学报(自然科学版)》 CAS CSCD 北大核心 2002年第S1期295-,共1页
Traditional ERP software system cannot efficiently su pport new management ideas such as BPR, DEM and virtual enterprise which emphasi zes that enterprise should be adjusted to market changes and business process ch a... Traditional ERP software system cannot efficiently su pport new management ideas such as BPR, DEM and virtual enterprise which emphasi zes that enterprise should be adjusted to market changes and business process ch ain and value chain should be integrated tightly. To solve these problems, this paper proposed the conception of Flexible ERP system. F-ERP is a self- adapti ve software system based on multi-agent technology. It developed the followin g kind of agents which are useful for F-ERP: business process agent, interf ace agent, data agent and decision and analysis agent. The F-ERP software syste m is an hierarchy system which is composed of data layer, system tools layer, bu siness application layer and business decision layer. It used component based de velopment mythology and complied with CORBA to development F-ERP. The F-ERP sy stem can support the new management ideas such as BPR, DEM and virtual enterpris e etc. By implementation of it, enterprise can improve its management and promot e its competence. 展开更多
关键词 flexible enterprise resource planning multi-age nt ARCHITECTURE
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