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·646· 北京科技大学学报 第33卷 1s),即使是对200个订单分配到1403个板坯的较 solving.Ann Oper Res,2004,130 (1-4)19 大规模的问题,计算时间仅为0.12236s,完全能够 4]Gargani A,Refalo P.An efficient model and strategy for the steel mill slab design problem//Proceedings of the 13th International 满足生产实际的需要. Conference on Principles and Practice of Constraint Programming. 5结论 Providence,2007:77 [5] Van Hentenryck P,Michel L.The steel mill slab design problem 在钢铁企业的生产过程中,板坯是衔接各个关 revisited//Proceedings of the 13th International Conference on Inte- 键工序的物流单元,也是将客户需求和工艺要求统 gration of Al and OR Techniques in Constraint Programming for Combinatorial Optimization Problems.Paris,2008:377 一起来的关键所在,合理的板坯设计对提高生产效 [6]Dawande M.Kalagnanam J,Lee H S,et al.The slab-design 率起着重要的作用.本文从钢铁企业生产管理的实 problem in the steel industry.Interfaces,2004,34(3):215 际需求出发,针对板坯的规格相同、客户订单分解过 [Denton B,Gupta D,Jawahir K.Managing increasing product va- 程中有最小重量限制的板坯设计问题,建立了以最 riety at integrated steel mills.Interfaces,2003,33(2):41 小化板坯数量为目标的约束满足模型:通过三划分 [8]Vonderembse M A,Haessler R W.A mathematical programming 问题的多项式归结,证明了该问题是强NP难的.进 approach to schedule master slab casters in the steel industry. Manage Sci,,1982,28(12):1450 而,结合问题的特殊性质提出了基于约束满足的求 Dash S,Kalagnanam J,Reddy C,et al.Production design for 解算法,并证明了该算法的收敛性.数据实验表明 plate products in the steel industry.IBM J Res Dev,2007,51(3/ 本文提出的算法具有很好的效果和能够满足实际应 4):345 用的计算效率 [10]Sun S H,Xiao Y J,Li T K.Solving the inventory matching problem of hot rolling strips based on the constraint satisfaction 参考文献 method.J Univ Sci Technol Beijing,2008,30(6):680 [Xi Y,Li T K.An optimal algorithm for slab designing of fixed (孙树慧,肖拥军,李铁克。基于约束满足方法求解热轧带钢 weight slabs.J Unig Sci Technol Beijing,2008,30(10):1179 库存匹配问题.北京科技大学学报,2008,30(6):680) (席阳,李铁克.针对固定重量板坯的板坯设计优化算法.北京 [11]Sapena O,Onaindia E,Garrido A,et al.A distributed CSP ap- 科技大学学报,2008,30(10):1179) proach for collaborative planning systems.Eng Appl Artif Intell, 2] Frisch A M,Miguel I,Walsh T.Modeling a steel mill slab design 2008,21(5):698 problem//Proceedings of the IJCAI1 Workshop on Modelling and [12]Johnson D S,Demers A,Ullman J D,et al.Worst-ease perform- Solring Problems with Constraints.Seattle,2001:39 ance bounds for simple one-dimensional packing algorithms.S/ [3]Hnich B,Kiziltan Z,Miguel I,et al.Hybrid modelling for robust AM J Comp,1974,3(4):299北 京 科 技 大 学 学 报 第 33 卷 1 s) ,即使是对 200 个订单分配到 1 403 个板坯的较 大规模的问题,计算时间仅为 0. 122 36 s,完全能够 满足生产实际的需要. 5 结论 在钢铁企业的生产过程中,板坯是衔接各个关 键工序的物流单元,也是将客户需求和工艺要求统 一起来的关键所在,合理的板坯设计对提高生产效 率起着重要的作用. 本文从钢铁企业生产管理的实 际需求出发,针对板坯的规格相同、客户订单分解过 程中有最小重量限制的板坯设计问题,建立了以最 小化板坯数量为目标的约束满足模型; 通过三划分 问题的多项式归结,证明了该问题是强 NP 难的. 进 而,结合问题的特殊性质提出了基于约束满足的求 解算法,并证明了该算法的收敛性. 数据实验表明 本文提出的算法具有很好的效果和能够满足实际应 用的计算效率. 参 考 文 献 [1] Xi Y,Li T K. An optimal algorithm for slab designing of fixed weight slabs. J Univ Sci Technol Beijing,2008,30( 10) : 1179 ( 席阳,李铁克. 针对固定重量板坯的板坯设计优化算法. 北京 科技大学学报,2008,30( 10) : 1179) [2] Frisch A M,Miguel I,Walsh T. Modeling a steel mill slab design problem/ /Proceedings of the IJCAI-01 Workshop on Modelling and Solving Problems with Constraints. Seattle,2001: 39 [3] Hnich B,Kiziltan Z,Miguel I,et al. Hybrid modelling for robust solving. Ann Oper Res,2004,130( 1-4) : 19 [4] Gargani A,Refalo P. An efficient model and strategy for the steel mill slab design problem/ /Proceedings of the 13th International Conference on Principles and Practice of Constraint Programming. Providence,2007: 77 [5] Van Hentenryck P,Michel L. The steel mill slab design problem revisited / /Proceedings of the 13th International Conference on Inte￾gration of AI and OR Techniques in Constraint Programming for Combinatorial Optimization Problems. Paris,2008: 377 [6] Dawande M,Kalagnanam J,Lee H S,et al. The slab-design problem in the steel industry. Interfaces,2004,34( 3) : 215 [7] Denton B,Gupta D,Jawahir K. Managing increasing product va￾riety at integrated steel mills. Interfaces,2003,33( 2) : 41 [8] Vonderembse M A,Haessler R W. A mathematical programming approach to schedule master slab casters in the steel industry. Manage Sci,1982,28( 12) : 1450 [9] Dash S,Kalagnanam J,Reddy C,et al. Production design for plate products in the steel industry. IBM J Res Dev,2007,51( 3 / 4) : 345 [10] Sun S H,Xiao Y J,Li T K. Solving the inventory matching problem of hot rolling strips based on the constraint satisfaction method. J Univ Sci Technol Beijing,2008,30( 6) : 680 ( 孙树慧,肖拥军,李铁克. 基于约束满足方法求解热轧带钢 库存匹配问题. 北京科技大学学报,2008,30( 6) : 680) [11] Sapena O,Onaindia E,Garrido A,et al. A distributed CSP ap￾proach for collaborative planning systems. Eng Appl Artif Intell, 2008,21( 5) : 698 [12] Johnson D S,Demers A,Ullman J D,et al. Worst-case perform￾ance bounds for simple one-dimensional packing algorithms. SI￾AM J Comput,1974,3( 4) : 299 ·646·
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