• 论文 •    

不确定信息条件下的车间调度策略研究

朱海平,邵新宇,张国军   

  1. 华中科技大学 机械学院工业工程系,湖北武汉430074
  • 出版日期:2006-10-15 发布日期:2006-10-25

Job-shop scheduling strategy under uncertain information environmentZHU Hai-ping, SHAO Xin-yu, ZHANG Guo-jun

(Dep. of Industrial & Manu. System Eng., Sch. of Mech. Sci. & Eng.,   

  1. Huazhong Univ. of S&T, Wuhan430074, China
  • Online:2006-10-15 Published:2006-10-25

摘要: 为了在不确定的车间信息环境下做出正确的调度策略,提出了一种支持多目标和多优先级车间调度策略的随机规划模型,并给出了求解算法。该模型的求解通过包含3个步骤的混合智能算法来实现,首先利用随机仿真生成近似的样本数据,然后利用神经网络进行不确定目标和约束函数的逼近,并用遗传算法最终完成对多目标优化解的搜索。最后,通过一个汽车企业模具制造车间中调度问题的实例,验证了该模型和算法的有效性及实用性。

关键词: 车间调度, 随机规划, 多目标优化, 不确定信息

Abstract: To make the correct executive decision under uncertain job-shop information environment, a stochastic programming model supporting multi objective and multi priority for job-shop scheduling was proposed and a hybrid intelligent algorithm consisting of three steps was designed to solve this problem. Firstly, some approximate data samples were obtained by stochastic simulation. Secondly, a neural network model was constructed to approach the uncertain function of objectives and constraints. Then the genetic algorithm was used to search for the optimal solution. Finally, a case study of a scheduling problem in a job-shop for die manufacturing in a motor company was used to illustrate the feasibility and practicability of this model and algorithm.

Key words: job-shop scheduling, stochastic programming, multi objective optimization, uncertain information

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