數學最優化 的英文怎麼說
中文拼音 [shǔxuézuìyōuhuà]
數學最優化
英文
mathematical optimization-
The best optimum mathematical model is constituted. scalar factor of structural parameter on loop rectangular negative pressure and adsorption slide is calculated. structural parameter, air gas source pressure carrying capacity and thickness of air cell are made sure by hydrodynamics and the theory of gas lubrication
詳細論述了導軌副的設計過程,運用數學上的拉格朗日條件極值求解法,建立最優化數學模型,求出環矩形負壓吸附導軌的結構參數的比例情況,並運用流體力學和氣體潤滑理論確定了環矩形負壓吸附導軌的結構參數、氣源氣壓、承載能力和氣膜厚度的確定性結論。It is generally impossible to obtain the analytic optimal guidance law for complex nonlinear guidance systems of homing missiles, and the open loop optimal guidance law is often obtained by numerical methods, which can not be used directly in practice. the neural networks are trained off - line using the optimal trajectory of the missile produced by the numerical open loop optimal guidance law, and then, the converged neural networks are used on - line as the feedback optimal guidance law in real - time. the research shows that different selections of the neural networks inputs, such as the system state variables or the rate of los ( line of sight ), may have great effect on the performances of the guidance systems for homing missiles. the robustness for several guidance laws is investigated by simulations, and the modular neural networks architectures are used to increase the approximating and generalizing abilities in the large state space. some useful conclusions are obtained by simulation results
對于復雜的非線性導彈制導系統,很難求得其解析的最優制導律,只能求得開環的數字解,不能適用於具有時變不確定性的導彈制導系統.利用神經網路的學習和推廣能力,對開環的數字最優制導律進行離線的學習,作為閉環的神經最優制導律在線應用.研究分別選擇系統狀態變量和視線角速率等不同的神經網路輸入對制導系統性能的影響,以及各種制導律的魯棒性問題,並採用模塊化神經網路結構提高神經網路的學習和推廣能力,模擬結果得到一些有益的結論In this paper matlab and vb are used to build a software which can predict absorption coefficient ' s of the underwater anechoic coatings from these analytical models. finally, some algorithm of the single parameter minimization, nonrestraint nonlinear minimization and restraint minimization in the optimization design theory are studied. the formulas of absorption coefficient of these analytical models are object functions
本論文利用各種解析模型的聲學設計理論,使用matlab與vb軟體建立了一套水下消聲覆蓋層吸聲系數預報軟體,研究了最優化設計中單參數最小化、無約束非線性最小化和有約束最小化理論的一些演算法,利用現有模型的吸聲系數計算公式作為目標函數,初步優化了一些結構的材料參數。The optimal degree of outbreeding remained the same in every 25 - year generation since 1800, although the overall number of children from marriages of every degree of relatedness did drop gradually over time ? an observation that accounts for part of iceland ' s demographic transition, and which probably has a social explanation
從19世紀開始,每25年一代的遠交的最優化程度一直沒變,盡管每一種親緣程度的婚姻的子女總數量在隨時間逐步下降冰島人口結構轉化顯而易見的一部分原因,另一部分解釋來自社會學角度。Another oil well orbit optimized model, unitary model, is established base on the old model and the choice of the best section plane is calculated
本文在二維油井軌道優化設計的基礎上,建立了考慮剖面類型選擇和剖面設計最優化在內的綜合數學規劃模型:歸一化設計模型。First regarding cutting speed, working feed as the variable of designing, this article establishes the multi - goal mathematics model of manufacturing cost, productivity, profit ; second according to the mathematics model, it adopts added - power optimum method with matlab and resolves the feasible optimum parameter with computer ; it provides the person who optimize with turning processing technology parameter, and can offer reference supporting other optimization of parameters
摘要以切削速度、進給量為設計變量,建立了以加工成本、生產率、利潤為多目標的數學模型;根據所得多目標綜合優化數學模型,採用加權函數法為優化方法,用matlab求出在約束限制可行域內最優參數,為車削加工工藝參數提供優化依據和優化量,可供其他參數的優化提供參考。Then its optimization basis is given through optimal function and its mathematical properties are discussed in the end
通過構造最優化函數進一步探討了廣義加權算術平均組合預測法的最優化理論依據及其數學性質。The existed optimal models for flood management are summarized ; especially the real time optimal operation models for reservoir and their solution methods are discussed
在歸納分析現有洪水管理系統最優化方法與數學模型基礎上,討論了洪水實時調度模型特點及一般求解途徑。The concept of the optimize design is proposed and its mathematic foundation is analyzed in this paper. after comparing several optical calculation methods, the one that is suitable for the lubricating system is chosen and analyzed in detail about its concept, characteristic and some focal points. meanwhile, combining with the analysis of the relationship among the parts and structure of marine low - speed diesel lubricating system, the internal disciplinary, other pipeline system and main engine, aiming at reducing the initial investment and the running cost in a certain years, the mathematic model of the system is built and the object function and subjected conditions are set up
本課題闡述了最優化設計的概念,分析了最優化設計問題的數學基礎,比較了約束多維問題的幾種優化方法,選取了適合於潤滑油系統的優化設計方式,並對該方式的概念、特點及其應注意的問題進行了較詳細的分析;同時,結合海船低速柴油機潤滑油系統的組成部件及其結構以及潤滑油系統內部規律與其它管路系統、船舶主機的關系的分析,從經濟性的角度,以設備初投資及其在一定年限內的耗能費最低為目標,建立了本系統優化設計的數學模型,確立了目標函數和約束條件。4 by studying mechanical optimization method, combining theory of metal cutting processing, summarize the optimization function by the cutting parameter as optimization aim and corresponding restraint condition. adopt one of optimization methods - compound shape method - to calculate cutting parameter ' s optimization result
4運用機械最優化方法,結合金屬切削加工理論,推導了以切削參數為優四川大學碩i學位論文化目標的優化目標函數並確定了相應優化約束條件,採用優化方法中的復合形法實現了切削參數的最優化設計。Optimization design is an uptodate measure to seek the most perfect and optimum design proposal, and the mathematical principle of optimization had application in engineering design. it incorporate the speciality design theory, the optimization methods of mathematics and the computer art, accommodate a scientific design approach and a significant layout strategy for design engineering, and it can heihten design efficiency and advance designing quality. enginneering science must envisage economic construction, so it is beyond all doubt that the optimization design as the final approach of engineering development
優化設計是把最優化數學原理應用於工程設計問題,在多個設計方案中尋找到盡可完善的或最適宜的設計方案的一種現代設計方法。優化設計集專業設計理論、數學最優方法和計算機技術於一體,為工程設計提供了一種重要的科學設計方法,能夠大大提高設計效率和設計質量。工程學科必須面向經濟建設,優化設計作為工程設計的最終目標是毫無疑義的。Structural optimum design, which incorporates the speciality design theory, optimum methods and computer technology, is to make structural design scheme rationalization, scientific and satisfactory
結構優化設計是集專業設計理論、數學最優化方法和計算機技術於一體,是一種使結構設計方案合理化、科學化、滿意化的設計方法。Structural optimizing design is a new design method of combining the mathematical optimizing theory and compute
結構的優化設計是把數學上的最優化理論結合計算機技術應用於結構設計的一種新型設計方法。The dynamic plan, which is a basic way of math, has great scope for using in optimization regulation. it decomposes a complicated problem into a series of simple problem which contain one variable and agree with the decision having many stages about reservoir ' s optimization regulation
動態規劃法是最優化技術中適用范圍最廣的基本數學方法,它是把一個包含多變量的復雜問題分解成一系列各自只包含一個變量的簡單問題,適合於水庫興利調度的多階段決策。The mathematical models of the major coverage of firing employment were built, and based on the viewpoint of optimization, the corresponding algorithms were improved
建立了聯合作戰火力運用主要環節的數學模型,並立足於最優化的觀點,改進了相應演算法。The paper is theoretically based on modern network optimization, including graph theory, optimization, operation research, network management
本文的理論基礎是現代網路優化理論,其中包括圖論、最優化方法、運籌學、離散數學及代數結構學。A hydrodynamic optimal method to enhance the energy conversion coefficient of the vertical - axis variable - pitch turbine is presented in this paper based on the analysis of the existing mathematical models, on the computational methods for predicting the hydrodynamic performance of turbines and on the available experimental results. by applying mathematical optimal theory, a mathematical model for optimizing the hydrodynamic attack angle of the blades of turbines is formulated and some numerical results are obtained as well
本文在總結和研究豎軸可調角直葉水輪機水動力性能計算的現有數學模型,計算方法和實驗結果的基礎上,運用最優化理論,給出了改善和提高該種水輪機能量利用率的一種優化方法,建立了數學模型,並得到了計算結果。The mathematics model of multiobjective optimum combination, good algorithms and cad system for strip layout of multistep progressive die are given in this paper
摘要提出了多工位級進模工步設計的多目標最優化組合的數學模型、通用演算法以及建立其cad系統的實現方法。Along with the development of minimax theory, it had been applied in game theory, mathematical economics, optimization theory, variational inequalities, fixed - point theory, potential theory, section problem, etc
隨著極大極小理論的發展,它已經應用於博弈論,數量經濟學,最優化理論,變分不等式,微分方程,不動點理論,位勢論,截面問題等諸多領域。The journal caters for middle school mathematics teachers senior college students and postgraduates majoringin mathematics or its related specialties technicians, engineers as well as for researchers and teachers in operations research, optimization theory, applied mathematics, computational mathematics, computer science, administration science, system engineering, control engineering and economics
供運籌學、最優化理論、應用數學、計算數學、計算機科學、管理科學、系統工程、經濟學工作者、以及工程技術人員、高等院校有關專業高年級學生與研究生、中等學校的數學教師閱讀。分享友人