target function 中文意思是什麼
target function
解釋
指標函數-
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。 -
Taking the lest total internal losing exergy for target function, the distribute of difference in temperature among the three - effect is also acquired. an experimental device for three - effect falling - film evaporation was designed and constructed. the experiments of potassium carbonate solution was finished under different temperature of vapor and different input material liquid volume
建立了三效降膜蒸發的實驗裝置，以碳酸鉀溶液為原料進行了不同加熱蒸汽溫度、不同進料量的實驗研究，得到了實驗設備的（火用）損分佈，並研究了各部分損失的（火用）及有效利用的（火用）值與加熱生蒸汽溫度與進料量的關系。 -
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。 -
Through calculating annual expenses and analyzing investment risk, an optimization model firstly put forward. the coefficient of investment profit of the irrigation system, which includes pipe distribution networks, drop irrigation device, is minimized. the coefficient is optimization design ' s target function which is by the genetic algorithms to solve
在系統優化方面，單獨作為一個模塊用vc + +實現，本文首次提出了以包括管網、灌水器、水泵、電機等設備在內的微灌系統的益本比最大為目標函數，利用遺傳演算法求解的方法。 -
When solving the tna problem based on fleet balance application, a flight pairing network model is build, by which the primary problem transferred to a directed path decomposition problem to minimize target function, and a simulated annealing algorithm is constructed
在解決使飛機均衡使用的飛機排班問題時，本文利用航班節的網路模型將原問題轉化為一個使目標函數最小的航班節編組問題，在此基礎上構造了一個模擬退火演算法。 -
Base on the business enterprise development, the author brings forwards the following influence factors of business enterprise logistics method : logistics position in the business enterprise strategy ; the core competition and logistics management ability of the business enterprise ; the flexility of business enterprise ; and the different industries, different products and different life cycle of product etc. after that, the paper discusses the economic feasibility of the self - run logistics and the third party logistics in our country. at last, the paper established the calculation method and the target function of the logistics cost expenses, and put forward the method of how to compare their economy expenses - cost benefit method
然後，以企業的角度為基點，從企業物流方式選擇的影響因素：物流在企業中的戰略地位；企業的核心能力、物流管理能力；企業柔性；物流成本費用；不同行業；不同產品；產品不同生命周期等方面對自營物流與第三方物流的可行性進行了研究和探討，給出了兩者物流成本費用的內容，建立了計算兩者物流成本費用的目標函數，並提出了兩者經濟比較的方法? ?成本效益法。 -
The method of compond target function variable weighting was adopted for solving compond target optimization problem, and compond target was put into single target
在計算中，為達到無刷直流電動機全局優化的目的，採用隨機產生離散初始種群及隨機交叉操作和變異操作方法。 -
By means of the optimization method - punishing function method and taking the sum of the planet gear radius and center distance as the target function, the parameters of drive are optimized. by using the optimization program, the initial serial studies of drive are completed, the best serial parameter value of the drive is given
採用外點罰函數優化方法，通過取行星輪半徑和中心距之和作為優化目標函數，對滾錐齒超環面行星蝸桿傳動進行了參數優化，運用此優化程序，初步完成了對該種傳動的系列化研究，給出了傳動系列的最佳參數取值。 -
Combining demand of distribution automation transmission system realtime and saving money, in principle of optimization, putting out target function
結合配電自動化通信系統的實時性要求和節省投資的要求，以最佳性價比為原則，提出了目標函數。 -
Conditions of normal mode realization are deduced and optimized model with the multivariate mode indicator function as the target function is built. through solving the maximal eigenvalue problem, the original shaker force vector of appropriation is reached. then the realization approach of the optimal shaker force vector based on single shape principle is proposed and at the same time the automatization of normal mode appropriation is realized
對于模態物理分離技術的多點正弦激振純模態試驗技術，尋求其最佳激振力矢量是最為關鍵的環節，本文先推導出純模態實現的條件，建立以多變量模態指示函數為目標函數的優化模型，通過求解最大特徵值問題，得出適調純模態的初始激振力矢量，再提出以單純形原理為基礎的最佳激振力矢量的實現方法，同時也實現了純模態適調過程的自動化。 -
An exploratory study concerning the target function of heat exchange system optimization
關于換熱系統優化目標函數的探討 -
The article are on the base of analyzed model of distribution automation transmission system, in principle of optimization, put out target function of distribution automation transmission system capacity design
綜上所述，本文以研究配電自動化通信系統的模型為基礎，以最佳性價比為原則，提出了配電自動化通信系統容量設計的目標函數。 -
The minimum erathwork of slope cutting is regarded as target function, and the anticipated factor of safety of slope as a constraint condition, so this problem is equivalent to optimality one with constraint conditions. thus the optimal scheme of slope cutting can be obtained
這里將最小的削坡土方量作為目標函數，將預期的邊坡安全系數作為約束條件，把削坡問題等價於一個有約束的優化問題，可找出最優的削坡方案。 -
Optimization of suspension can reduce vehicle dynamic load and improve the life of road, so we introduce the semi - active suspension. by changing the output equation and target function of control system, we can establish many semi - active suspension vehicle models
懸架結構的調整可以降低車輛動載、改善車輛對路面的破壞性作用（即動載） 、提高路面的使用壽命，因此，作者引入了半主動懸架技術用於改善車輛動載。 -
We develop the model by drawing into the concept of " pareto optimality " and use the concepts of feasible set and validation set to analyze the target function
同時，有創意的引入「帕累托最優」概念模型進行改進，還將投資學中的馬柯維茨關于可行集和有效集的概念與目標函數進行了類比分析。 -
This system has the friendly windows for dialogue between person and machine, can draw and label the plan of each roll groove with the way of parameterization drawing, under the condition that giving the size of the rough blank the specifications of the finished product and the technical parameters of the roll, selecting the minimum consumption as the target function, adopting the optimization, adopting the boundary condition of the grip the strength of roll and the check of the power - generating. moreover, the plan can be outputted in the software of autocad
本系統具有友好的人機對話界面，可以在給定坯料尺寸、成品尺寸和軋機技術參數的條件下，以能耗最小為目標函數，採用最優化方法，在滿足咬入條件、軋機強度校核、電機校核等邊界條件下優化設計出最優的孔型系統，採用參數化繪圖方法將優化設計結果繪製成孔型圖並進行標注，最終可以向autocad繪圖軟體輸出。 -
The following is the detailed, 1. in the chapter 2 of constructing system modeling, first, the manufacture tasks are calculated and the process is described. then, according to the theory of constraints ( toc ), the constraint items and target function of corporation runing are defined and three rules of heuristic algorithm are described. at last, the model to arranging production plan by heuristic algorithm and the fuzzy logic model to follow the plan be carried out are constructed
在建立系統模型部分，首先，明確企業的加工任務和加工工藝；其次，採用toc理論確定企業生產的約束條件，確定企業運行的目標函數，建立啟發式搜索編排的3大規則；最後，建立啟發式搜索編排生產計劃的模型，和生產計劃執行情況的模糊跟蹤模型。 -
Actually, this is to resolve an over - determined nonlinear system including six output values and eight input values. so newton - gauss iterative algorithms is used, set up the target function in the sense of the least squares. it is discussed whether the minimal solution to the function exist and is single one while the astringency of newton - gauss method is analyzed
對于冗餘驅動振動臺，其位姿正解是求解具有八個輸入、六個輸出的超定非線性方程組，因此本文採用了最小二乘法中的牛頓?高斯迭代法，建立最小二乘目標函數，對目標函數極小解的存在性、唯一性以及牛頓?高斯迭代法的收斂性進行了理論證明和分析，將求出的最小值作為位姿正解的最優解。 -
The trigger time of decision - making is handled as random variables. after computing the expectation on the distribution function, the approximate solution can be got by employing numeric techniques to the target function that involves european option pricing formula
通過把決策觸發時間隨機化以及針對分佈函數求數學期望等手段，可以利用歐式期權定價公式得到問題的數值近似解。 -
This paper, firstly, expatiates the content and sense about optimal design of water supply networks, briefly introduces all optimal methods which have been advanced, analyzes these methods and points out their limitation, summarizes the factors which influence the results in optimal design of water supply networks ; secondly, it introduces the principle of genetic algorithms ( ga ). it takes yearly expenditure converting value as target function and sets up the ga model on optimal design of water supply networks based on sga by means of taking some effective measures on selection operator, crossover operator, mutation operator and some parameters setting ; finally, the ga model is verified by its application on engineering project
本文首先闡述了給水管網優化設計的內容和意義，簡要介紹了已有的優化方法，分析比較了各種優化方法並指出其存在的不足，歸納總結了影響給水管網優化設計結果的各種因素；接著，介紹了遺傳演算法的基本原理，然後在標準遺傳演算法的基礎上，通過對選擇運算元、交叉運算元、變異運算元以及部分參數的設置採取改進措施，並以年費用折算值為目標函數，建立了給水管網優化設計的遺傳演算法模型；最後，通過工程實例驗證了該模型具有一定的理論和應用價值。
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