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:如何在工藝方案的設計中,解決這樣一個綜合效益問題,既要使工藝方案的可靠性高,又要使工藝方案的加工費用盡量低,本文提出了用動態(tài)規(guī)范法解決這個問題的原理和方法,并舉出了實例。
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 本文緊密結合云南省境內的以禮河梯級水庫的工程實際,在對其進行深入分析和概化的基礎上,建立了反映實際問題特點的梯級電站短期調度模型和廠內經(jīng)濟運行模型,動態(tài)規(guī)劃方法以其擅長求解多階段決策過程問題而被本文選為優(yōu)化工具,由于dddp的降維效果顯著,從而使動態(tài)規(guī)劃在本研究模型中得以運用。
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 本文以圓鋼雙線切分為基本實體模型,著重分析了預切分孔型和切分孔型在軋制過程中的變形特點及相應的孔型設計方法;基于前人的研究成果及作者的探索,選擇了相應的軋制力、軋制力矩、溫度及能耗模型,建立了預切分和切分的寬展及延伸系數(shù)的分配模型;應用動態(tài)規(guī)劃法以能耗最小為目標函數(shù)對孔型系統(tǒng)進行了優(yōu)化設計;利用visualbasic6 . 0和microsoftaccess數(shù)據(jù)庫的連接,建立了數(shù)據(jù)查詢系統(tǒng),以visualbasic6 . 0和autocad之間的接口在vb環(huán)境下完成了斷面孔型圖的繪制。
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 摘要針對多階段風險投資過程中信息不對稱性以及收益不確定性的特征,在考慮投資策略組合的基礎上,采用不完全信息靜態(tài)博弈理論和動態(tài)規(guī)劃方法,構造了股權債權混合投資時,目標函數(shù)為風險投資公司退出效用最大化的退出決策復合模型。
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 ) 由于給水管網(wǎng)優(yōu)化設計在給水工程中占有重要地位,國內外學者對其進行了廣泛而深入的研究,提出了多種優(yōu)化方法,諸如經(jīng)典優(yōu)化法、線性規(guī)劃法、動態(tài)規(guī)劃法、廣義簡約梯度法以及標準遺傳算法。
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 給水管網(wǎng)優(yōu)化設計是城鎮(zhèn)供水工程的一項重要工作,國內外許多學者都對此做了廣泛、深入的研究,提出了很多具有代表性的優(yōu)化設計理論與方法,例如枚舉法、線性規(guī)劃法、動態(tài)規(guī)劃法,還有遺傳算法和模擬退火算法等。
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 大連理工大學博士學位論文3 、基于產出增長型生產函數(shù)及dea方法的勘探創(chuàng)新技術價值評估現(xiàn)代科學技術的飛速發(fā)展,技術及技術創(chuàng)新對經(jīng)濟增長已起到了關鍵性的作用,因此不僅從定性上,而且從定量上對技術創(chuàng)新在經(jīng)濟增長中所起的作用進行正確的評估具有重要的現(xiàn)實意義。