SIA OpenIR  > 数字工厂研究室
Alternative TitleResearch on Production Scheduling Rules,Design and implement of Rule Base
Thesis Advisor彭慧
Keyword动态调度 生产调度规则 规则库设计与实现
Call NumberF273/Z34/2013
Degree Discipline控制工程
Degree Name硕士
Degree Grantor中国科学院沈阳自动化研究所
Place of Conferral沈阳
Other AbstractProduction scheduling in manufacturing systems has great significance for reducing processing costs and increasing capacity utilization to enhance the core competitiveness in enterprises. Dynamic production scheduling is in line with the actual production. However, dynamic scheduling generally has the real-time requirement. And today's enterprises have more sophisticated multi-objective requirement. Because the scheduling rules have obvious advantages in the real-time, this paper construct rule base on the basis of the study of the rules, in order to meet both real-time and multi-objective requirements. Production scheduling rules, in accordance with the application objects of rules can be divided into the rules to rank workpiece and the rules to assign equipment, in accordance with industry can be divided into general industry rules and special industry rules. In addition, the performance of rules is closely related to system environment and criteria, so this paper evaluates the performance of scheduling rules under a hybrid flow shop environment. Because a single rule usually has a good effect on only one performance, scheduling rules are combined to achieve scheduling. In the same procedure, scheduling rules could be combined with two-layer or multi-layer rules. And the same combination or different combination of rules could be used during different processes. Design of rule base mainly includes two aspects: rule expression and rule selection. Rule expression includes IF-THEN representation, frame representation and object-oriented representation. After combining rule, the optimal combination of rules can be chosen by three ways: knowledge base chooses optimal combination, genetic algorithm chooses optimal combination, and maximizing deviation chooses optimal combination. Finally, this paper uses the object-oriented rule representation method and maximizing deviation choosing optimal combination after the combination of two-layer rules to design rule base. And the achieved rule base is integrated in SIA Schedule to verify its validity of maximizing deviation choosing optimal combination.
Contribution Rank1
Document Type学位论文
Recommended Citation
GB/T 7714
张诗珊. 生产调度规则研究及规则库的设计与实现[D]. 沈阳. 中国科学院沈阳自动化研究所,2013.
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生产调度规则研究及规则库的设计与实现.p(1601KB) 开放获取CC BY-NC-SAApplication Full Text
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