設計目標函數 的英文怎麼說
中文拼音 [shèjìmùbiāohánshǔ]
設計目標函數
英文
design object function- 設 : Ⅰ動詞1 (設立; 布置) set up; establish; found 2 (籌劃) work out : 設計陷害 plot a frame up; fr...
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 目 : Ⅰ名詞1 (眼睛) eye 2 (大項中再分的小項) item 3 [生物學] (把同一綱的生物按彼此相似的特徵分為幾...
- 標 : Ⅰ名詞1 [書面語] (樹梢) treetop; the tip of a tree2 (枝節或表面) symptom; outside appearance; ...
- 函 : 名詞1. [書面語] (匣; 封套) case; envelope 2. (信件) letter 3. (姓氏) a surname
- 數 : 數副詞(屢次) frequently; repeatedly
- 設計 : devise; project; plan; design; excogitation; layout; layout work; styling
- 目標 : 1. (對象) target; objective 2. (目的) goal; aim; destination
- 函數 : [數學] function函數計算機 function computer; 函數計算器 function calculator; 函數運算 functional operation
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Considering the electrovalence, the curve of water consumption and the reliability of water supply, this paper respectively sets up the model based on the maximal flux and the model based on the expectation flux. it takes yearly expenditure converting value and yearly cistern converting value as target function and takes continuity equation, velocity of flow and compression resistance of cast iron pipeline as restrictions and sets up the pga model on optimal design of water supply networks
考慮到峰谷電價、用水量變化曲線及用水可靠性因素的影響,分別建立了以最高時流量設計管網的模型和以期望時流量設計管網的模型,以年費用折算值加上清水池年造價折算值為目標函數,以連續性方程、管中流速和鑄鐵管耐壓值等為約束條件,進行并行遺傳演算法對給水管網優化設計的實現。A rate - dependent damage evolution modified zwt nonlinear constitutive ralation is adopted, an object function of least square was established according to the experimental results. the searching space of each decision variable was foreordained with conventional optimizing method, and all parameters in zwt model for solidified pf resin were determined with generic algorithms
基於實驗曲線構建了最小二乘形式的目標函數,並採用傳統優化方法輔助設計了各個決策變量的搜索空間,進而用遺傳演算法確定了損傷型zwt非線性粘彈性本構關系中的材料參數。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。Secondly, in order to make a deep analysis of c2 system structure, the author made the fire cell and aerial command control centre into the c2 organization nodes, then import into the information flow to analyze the c2 organization network, through which the author constructed a linear programming model to analyze the time consumption of c2 organization. based on object petri network ( opn ), the author also analyzed the c2 organization reconstruction process
其次,為了深入分析c2系統結構,將火力單元和區域指控中心作為c2組織節點,引入信息流因素對支持網路化作戰的c2組織網路進行了建模分析,以c2組織的時效性作為目標函數提出了c2組織的一種設計模型,並研究了通過對象petri網對防空網路化作戰中的c2組織動態重組的建模方法。Taking the contact stress, bend stress stiffness and temperature stress as the condition, taking the weight of the kiln tyre as optimization aim function, the redia and the width of the tyre are optimized general optimize methods just consider the affecting of the parameters to aim function, but in fact, structural parameters ( such as structure dimension, interval and so on ), physics and dynamics ( damp factor, conduct factor, friction factor material ' s elastic module strength limits and so on ), which would be changed after used. the difference are called discrepancy robust design ' s basic concept is : all design parameters " discrepancy will affect the aim funct ion and arouse the quality target discrepancy
一般的優化方法,僅僅考慮了參數對其目標函數的影響,而實際情況下有些參數是變化的,產品的結構參數(如幾何尺寸、間隙等) 、物理和力學參數如阻尼系數、傳導系數、磨擦系數、材料的彈性模量和強度極限等的設計值與製造后和使用中的實際值會有差異,這種差異稱為設計變量和噪聲因素的變差。Optimal design with three variables is then done to the elbow - bar mechanism of the mp1040b moulding machine by utilizing the method of punishing function for constraint problems and variational scale for unconstraint problems. the optimal target function is the maxium of gradient in one work travel for the moulding plank of the elbow - bar mechanism. the result shows that the maximal gradient of moulding plank in one motion period declines by 25. 7 after optimization, and the angular acceleration of the bottom moulding plank decreases greatly
動力學分析中,各構件的質量和轉動慣量是通過pro / engineer軟體,先建立各個構件幾何模型而求得;然後,利用解決約束問題的罰函數法和處理無約束問題的變尺度法對mp1040b型模切機肘桿機構進行三個設計變量的優化設計,優化目標函數為肘桿機構的下模切板在一個工作行程中達到的最大傾斜程度;通過優化設計,模切機肘桿機構的下模切板在一個工作行程中的最大傾斜程度降低了25 . 7 ,其角加速度明顯減小,提高了模切機動力學性能。The differences between achromatic wave plates and pif include : - that the achromatic wave plates do not have the polarizers and the desired function
與pif的區別在於沒有首尾兩片偏振片,而設計中要實現的目標函數也與pif不同。The strategy on repair and reinforcement on steel crane girder structures in service based on fatigue dynamic reliability is analyzed in the paper. considering the benefits of repair and the long - term economic affection after repair and reinforcement, using the fatigue dynamic reliability as constraint condition, thinking of that the sum of benefits of repair and reinforcement as object function, the optimization model is put forward. then it is used to an certain crane arc ends repair an reinforcement
5 、基於疲勞動態可靠性,對在役鋼結構吊車梁的維修加固策略進行了探討,考慮維修加固效益和維修加固后的經濟影響,提出了以疲勞動態可靠性為約束,以維修加固總效益為目標函數的優化決策模式,並通過某鋼廠圓弧端吊車梁的維修加固實例驗證,可為工業建築吊車梁的設計,管理和維護提供依據。Optimum design for double - horse head beam pumping unit is a question of non - linear programming with inequality constraint condition and multi - objective function
雙驢頭抽油機優化設計是一個具有不等式約束多目標函數的非線性規劃問題。A method of fuzzy optimization design based on genetic algorithm is presented as a new method of parameter optimization design for dc double closed loop speed adjusting system. the method covers three steps. firstly, speed overshoot rate and settling time are chosen as performance indice according to the demand of engineering. these indice are normalized by using fuzzy membership function and then weighted to form objective function of optimization model of the system. secondly, the dynamic response curve of the system with corresponding parameters and peoformance indice are obtained by computerized numerical calculation and simulation. finally, parameters of engineering design are expanded as searching space ; and parameters of speed regulator and current regulator are taken as genes in chromosome. these genes in searching space are optimized to get best solution by way of genetic algorithm. as shown by experimental results, the parameters designed by this method are capable of significantly improving performance indice of the system, which proves that it is a practical and effective method
提出一種基於遺傳演算法的直流雙閉環調速系統參數優化設計方法.根據工程技術的要求,選用速度超調量和過渡時間作為參數優化性能指標.將該指標用模糊隸屬度函數歸一化,再加權平均形成系統優化模型的目標函數.採用計算機數值計算方法,通過模擬獲得系統對應參數的動態響應曲線及其性能指標.最後以工程設計的參數為搜索范圍,以速度調節器和電流調節器的參數為染色體中的基因,通過遺傳演算法在搜索范圍中優化這些基因,獲得優化解.實驗結果表明,所設計的參數能使系統性能指標有顯著提高First of all, the data system in the article is discussed and the goal function used to optimize the agricultural structure and the inhabitable condition are offered. then according to the characteristic of agricultural data system the logical structure of data bazaar in the data warehouse in the system is designed and the program for drawing out the data for data warehouse are offered. and we use the analysis services in sql server 2000 to design the multi - dimension data volume, which laid the groundwork for the later olap and data mining, we make use of the technique of mining the association rules to discover the rules in the data which are processed in a certain extent
本文首先探討了該系統中的數據指標體系,給出了相應的優化農業結構使用的目標函數和約束條件;然後根據農業數據的特點,設計了該系統中的數據倉庫中的數據集市的邏輯結構,給出了相應的數據倉庫數據的抽取程序;利用sqlserver2000中的analysisservices設計了數據倉庫的多維數據集,為後面的聯機分析處理和數據挖掘打好了基礎,並利用關聯規則挖掘技術,對經過一定處理之後的數據進行挖掘;最後選擇windows2000作為網路服務器、 sqlserver2000數據倉庫的服務器、利用microsoftvisualinterdev 、結合asp 、 frontpage 、 photoshop等作為系統開發平臺,設計開發基於intranet的農業結構優化決策支持系統,使得決策支持系統在intranet進一步擴展。Recently, a great progress has been made in aerodynamic optimization design technologies based on computational fluid dynamics. the control theory approach advocated by antony jameson is the typical methodology among them. its major advantage is that the computation of the sensitivity derivatives of cost function with respect to design variables is nearly independent of the number of design variables, which greatly saves the computational cost
近年來,計算流體力學( cfd )設計技術得到較大發展,其中最有代表性方法是jameson發展的基於控制理論(伴隨方法)的氣動優化設計技術,其顯著優點是目標函數對設計變量的梯度計算幾乎與設計變量數目無關,從而大量節省了計算費用,並成為當前cfd領域的研究熱點。A niched - penalty approach is used to transform this optimal kinematical design problem to an unconstrained one. a kinematic accuracy comparison of the genetic designed fine - tuning stewart platform with the quasi - newtonian designed one is made. the comparison results have shown that the kinematic accuracy of the genetic designed fine - tuning stewart platform has a much higher accuracy and a compact structure than that of the quasi - newtonian designed one, which guarantees the accomplishment of high precision trajectory tracking and reduces the disturbance of wind to the feed - supporting system
以並聯機器人jacobian矩陣的條件數為優化設計的目標函數,提出了基於遺傳演算法的並聯機器人最優運動學性能結構參數優化設計方法,採用實值遺傳演算法,對精調stewart平臺進行了優化設計,得到了最優運動學的精調stewart平臺結構參數,為實現新一代大射電望遠鏡饋源指向跟蹤系統高精度軌跡跟蹤控制奠定了堅實的基礎。Second, through employing the 3 - d finite element model and the dual objective function inversion method developed in this paper, and taking the measured fundamental frequency of system and the structure response to a harmonic excitation at the top of structure in field as the reversion objectives, the linear material parameter inversion is performed in ansys by using ansys parameter design language ( apdl )
第二,採用三維實體有限元模型和本文提出的雙目標函數反演方法,把現場測試得到的系統基頻和頂部激振下實測的結構動力響應作為反演目標,利用ansys參數設計語言( apdl ) ,在ansys軟體中實現了系統材料線性參數的反演。From the view of engineering economies, this paper get objective function of equipment selection for ice - storage system, and get the optimal equipment selection, in which introduce into uniform annuity and correction coefficient of designing date load
摘要從工程經濟學角度,引進等額年金,設計日負荷修正系數,得出冰蓄冷空調系統設備選擇的目標函數,對各參數進行賦值,求得最佳的系統設備選擇,並用一個工程實例驗證,結果表明此數學模型是有效的。The object function and restriction conditions optimum design for amb ' s structures are set up. based on these results, the structural parameter design method of radial and axial amb is presented, and a test - bed of amb has been designed by the author
根據磁力軸承結構優化設計目標函數和約束條件,推導了徑向、軸向磁力軸承結構參數設計公式,並設計了一套磁力軸承試驗臺裝置。Consider the robustness of the designed product, of robust optimal design is found ; through transmitting the tolerances and controlling the effects of variability in design variables and parameters on design functions, we keep the robustness of design solution ; analyzing the randomicity of quality criteria in robust optimal design. according to probability theory and statistics, getting the solution of statistic speciality of objective function using stochastic simulative experiment method
通過分析實現設計產品穩健性的途徑,建立了穩健優化設計目標函數;通過變差傳遞,控制設計參數的變差對設計函數的影響,保證設計解的穩健性;分析穩健優化設計質量特性的隨機性,運用概率論與數理統計理論方法,利用隨機模擬試驗法對產品質量的統計特性進行計算和處理。For the optimization problem of fgms fracture performance, this paper fundamentally studies the fgm coating plate with interface edge - cracks, and establishes the approximate analysis method of the driving force for interface edge - cracks growth - energy release rate. this paper considers energy release rate as objective function and the optimization problem of fgms fracture performance is carried out by the paper mention optimization scheme
關于梯度材料破壞性能的優化設計問題,本文對含邊界界面裂紋的平板狀梯度塗層進行了初步的研究,建立了邊界界面裂紋擴展驅動力- -能量釋放率的近似分析方法,以能量釋放率為優化設計目標函數採用本文提出的優化設計方案對梯度材料的破壞性能進行優化設計。However, most approaches in the literature were to adopt information measures as cost functions, along with some mathematical optimization methods to analyze and design systems. in fact, little has been done on the study of control systems under the framework of information theory, that is, considering control systems as information transmission channels
然而目前大多數成果只是採用信息測度函數作為系統性能的分析和設計目標函數,結合相應的優化等手段進行研究,而確實將控制系統置於信息論(信息傳輸)的框架中考慮的卻相對較少。And the best scheme among them has been proposed. in the last, with design opt of ansys, assigning roof plate ' s and base plate ' s thickness as design variables, making them meet the constraints of displacement of roof plate and base plate, and assigning the maximum stress of the structure as the goal function, the pile - boots structure has been optimized
最後利用ansys自帶的優化求解器designopt ,以對樁靴結構強度和變形影響較大的頂板和底板厚度為設計變量,在滿足重要部件?頂板和底板豎向位移的約束條件下,把結構的最大等效應力設為目標函數,採用一階優化方法,對樁靴結構進行了優化設計,並得到了最優解。分享友人