Abstract : the paper solve how the technological plan reliability is highand its processing cost is small at the same time in designing technological processing with dynamic programming method 文摘:如何在工艺方案的设计中,解决这样一个综合效益问题,既要使工艺方案的可靠性高,又要使工艺方案的加工费用尽量低,本文提出了用动态规范法解决这个问题的原理和方法,并举出了实例。
In this article , the author study the short - term optimization dispatching of cascaded hydropower in order to get a practicable mathematical model and arithmetic . basing on deep analysis and generalization of yilihe cascaded reservoir , the author set up a short - term dispatching mathematical model and an inner - plant economical operation model to simulate the real operation process . dynamic programming method ( dp ) is effective to solve the several problem and discrete differential dp ( dddp ) is a reduce dimension tool 本文紧密结合云南省境内的以礼河梯级水库的工程实际,在对其进行深入分析和概化的基础上,建立了反映实际问题特点的梯级电站短期调度模型和厂内经济运行模型,动态规划方法以其擅长求解多阶段决策过程问题而被本文选为优化工具,由于dddp的降维效果显著,从而使动态规划在本研究模型中得以运用。
Firstly , the distortion of rolled piece and the designing method in the beforehand slit pass and slit pass has been analyzed . secondly , based on the research production of predecessor and research of the author , card system selected some corresponding experience formulas such as roll force , roll moment , roll temperature and roll consume , and established spread model in the beforehand slit pass and slit pass and the distribution model of elongation coefficient . subsequently , card system applied the dynamic programming method with minimum roll consume and optimized its pass system 本文以圆钢双线切分为基本实体模型,着重分析了预切分孔型和切分孔型在轧制过程中的变形特点及相应的孔型设计方法;基于前人的研究成果及作者的探索,选择了相应的轧制力、轧制力矩、温度及能耗模型,建立了预切分和切分的宽展及延伸系数的分配模型;应用动态规划法以能耗最小为目标函数对孔型系统进行了优化设计;利用visualbasic6 . 0和microsoftaccess数据库的连接,建立了数据查询系统,以visualbasic6 . 0和autocad之间的接口在vb环境下完成了断面孔型图的绘制。
Contraposing multi - stage venture investment projects with asymmetric information and uncertain return , considering venture capitalists ' investment strategies , and using incomplete information static game theory and dynamic programming method , this paper develops a compound model on exit decision to maximize utility of venture capitalists investing in debt and equity 摘要针对多阶段风险投资过程中信息不对称性以及收益不确定性的特征,在考虑投资策略组合的基础上,采用不完全信息静态博弈理论和动态规划方法,构造了股权债权混合投资时,目标函数为风险投资公司退出效用最大化的退出决策复合模型。
The optimal design of water supply networks has been broadly and deeply studied by many domestic and foreign scholars because of its important status in water supply engineering . the scholars advanced many kinds of optimal methods , such as classic optimal method , linear programming method , dynamic programming method , generalized reduction gradient ( grg ) method and simple genetic algorithms ( sga ) 由于给水管网优化设计在给水工程中占有重要地位,国内外学者对其进行了广泛而深入的研究,提出了多种优化方法,诸如经典优化法、线性规划法、动态规划法、广义简约梯度法以及标准遗传算法。
The optimal design of water supply networks is an important task of town water supply engineering . it has been broadly and deeply studied by many domestic and foreign scholars and many representative optimal theories and design methods have been advanced such as enumerating method , liner programming method , dynamic programming method , genetic algorithms ( ga ) and simulated annealing ( sa ) and so on 给水管网优化设计是城镇供水工程的一项重要工作,国内外许多学者都对此做了广泛、深入的研究,提出了很多具有代表性的优化设计理论与方法,例如枚举法、线性规划法、动态规划法,还有遗传算法和模拟退火算法等。
Finally , the hjb equation of the value function has been obtained by the dynamic programming method , then by the analysis of equation and economic meanings of the equation and the variables , optimal strategies can be found . 3 . the value evaluation of exploration innovation technologies based on output - growth production function & dea method with the fast development of the modern science and technology , technology and technology innovation have play a key role in the 大连理工大学博士学位论文3 、基于产出增长型生产函数及dea方法的勘探创新技术价值评估现代科学技术的飞速发展,技术及技术创新对经济增长已起到了关键性的作用,因此不仅从定性上,而且从定量上对技术创新在经济增长中所起的作用进行正确的评估具有重要的现实意义。