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基于计算机网络的船闸优化调度研究(李中华)

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基于计算机网络船闸优化调度研究水利论文2F|/W(OdU$I8D#]/S7u/i

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+rj%NH*s1NdmO R B0【作者】李中华 【导师】张瑞凯; 宣国祥
v'j#Mg6S%N`jY0【作者基本信息】南京水利科学研究院,水力学及河流动力学,2001年,硕士水利论文T/a&RPh$]5]3aw

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【中文摘要】 本文作者针对目前我国船闸运行调度信息共享性差、调度效率不高、不能充分发挥船闸通过能力的现状,根据船闸运行调度流程及相关的业务规则,采用三层结构数据库开发技术建立了一套基于Internet/Intranet的船闸优化调度决策系统。采用该系统可以简化船舶过闸申报手续、规范调度作业流程。 作者应用排队论、决策论、整数规划等最优化理论,从船舶到达规律、船闸运行策略和船舶过闸调度决策三方面深入研究了船闸的运行调度方法。在船舶调度策略部分作者提出了船型调度决策和船只调度决策的概念,并建立了相关的船型调度判别指标和船只调度决策的数学模型。针对船只调度决策的核心——船舶空间调度问题,深入探讨了不同调度期望目标下的船舶空间调度问题,最终建立了一种行之有效的船闸优化调度数学模型,设计了相关的算法。 计算机仿真模拟实验表明,本文建立的船闸优化调度模型及相关的船舶空间调度算法在缩短船舶平均等待时间,提高船闸闸室面积利用率方面具有明显的优化效果。对京杭大运河船闸的仿真结果表明:(1)23m宽的船闸闸室面积利用率要高于20m宽的船闸;(2)单放船和挂机船混合进闸优于二者分别进闸。这对于京杭大运河船闸平面尺寸规划及...更多船闸调度策略制订具有重要的参考价值。  还原

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I)T1xuW\MX2\o0【英文摘要】 At present, many navigation locks’s capacity can’t be full exerted because of the lower-efficient lock management systems. Base on software technology of multi-tier database application, a lock optimized scheduling and decision system base on the Internetllntranet is developed. This system can be used to simplify ship declaration procedure and improve the lock capacity. The ship arrival law, lock operation strategy, and lockage dispatching are studied base on the queuing theoiy, decision theory, and integer programming. The author presents the concepts of ship-shape dispatching and ship dispatching. ship-shape distinguishing and the mathematical model of ship dispatching are established. The lockage arrangement is investigated in detail under the different dispatching expectation theory. The effective mathematical model of lockage dispatching is established ultimately, and the correlation arithmetic is designed. The computer simulation result indicates that the established lockage-disp...更多atching model has distinguished optimized effect in shortening the ship-waiting time and increasing the usage-ratio of lock chamber area. Based on the field data of the Great Canal, the author discovered that the area usage-ratio of lock with 23m width chamber is greater than that of lock with 2Gm width chamber, and different shape ship lockage is more efficient than the same shape ship lockage. The result is useful in the design of lock chamber and lockage dispatching.  还原

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)QH x:N#g8z0【中文关键词】 船闸; 船闸调度; 最优化理论; 计算机仿真; 京杭大运河; 多层数据库开发; 决策支持系统水利论文#g0Q UxWo*l8L
【英文关键词】 navigation lock; lockage dispatching; optimization theory; computer simulation; Great Canal; multi-tier database development; DSS水利论文-t6neH(_
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TAG: 船闸 研究 李中华 计算机网络
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