objective variable 中文意思是什麼
objective variable
解釋
客觀變量-
On a novel multi - objective fsqp algorithm for multi - variable nonlinear control of turbofan engine
演算法實現渦扇發動機多變量非線性控制 -
The optimum balancing of a four bar linkage with elastic links is studied, in which the control torque of redundant drives is taken as the design variable, and the shaking force and shaking moment of the mechanism are taken as the objective. the numerical simulation shows validity of the method
針對一平面彈性四連桿機構，以其震動力和震動力矩的加權和為目標函數，以冗餘驅動力矩為變量，對附加冗餘驅動的彈性機構進行最優平衡，其模擬結果表明該方法是有效的。 -
Thus, objective of this project is to improve the functionality and efficiency, and mitigate the drawbacks of a variable speed generation system or asg ( adjustable speed generator ) in conjunction with a dfig ( double fed induction generator ), which is frequently named as variable - speed / constant frequency ( vscf ) generation system
本文的研究目的是改進雙饋電機變速發電系統或變速驅動系統的的功能和效率，減輕系統缺陷所帶來的危害。雙饋電機變速發電系統通常又稱為變速恆頻發電系統（ vscf - variablespeedconstantfrequency ） 。 -
Under the opening economy condition, the exchange rate not only is a variable that affects the trade revenue and expenditure, but also becomes an important variable that affects macroeconomic policy of a country, international balances of payments, the domestic price level and the employment. exchange rate system influences monetary policy ultimate objective, and the currency supplies are not easy to control because that our country forces to complete a sale collects and the maintains exchange rate stably
在開放經濟條件下，匯率不僅是影響貿易收支的變量，而且成為影響一國宏觀經濟政策、國際收支平衡、國內物價水平和就業的重要變量。匯率制度影響貨幣政策最終目標，而且由於強制結售匯制度和維持匯率的穩定造成了貨幣中介目標貨幣供給量的內生性增強，外匯占款成為貨幣供給的主要渠道，大量外匯占款還改變了貨幣供給結構和貨幣政策傳導過程，加大了貨幣政策的操作難度。 -
Aim at ubiquitous parallel multi - reservoir structure in our country ' s basin, the universal objective function including coefficient bi embodying a spatial significance difference at different flood control points and variable ai denoting a selection of scheduling mode is established, which provide a valid intervenor interface for flood control consultation decision. according to the real - time requirement, a model of reservoir storage allocation is proposed, which embody basic idea of phasic compensation. passing the dynamic correction to cut down the disadvantageous influence that indetermination result in on the certain degree, joining together the step alternation solving method, this model can maximally consider bias of decision makers, ensure the rationality and practicability of the solutions
針對我國流域中普遍存在的並聯庫群結構，論文提出包含不同防洪點重要性的系數_ i和選擇調度模式的變量_ i的通用目標函數，為防洪會商決策，提供了有效的人工干預介面，根據實時性要求提出動態分配防洪庫容的庫容分配方法，體現了相機補償的基本思想，通過動態修正在一定程度上可以削減不確定性造成的不利影響，結合分步迭代求解技術，能最大限度體現決策者的偏好，保障解的合理性和可操作性。 -
Based on the single genetic algorithms and the features of the distribution network reconfiguration, this dissertation makes a further study on such aspects as selection operator, crossover operator, mutation operator, termination conditions and etc, thus, puts forward improved genetic algorithms. the dissertation makes certain study on the optimization reconfiguration model of distribution network. it puts forward a multi - objective model and according to the theory of variable weight coefficients transforms the multi - objective problem into a single - objective one
針對目前遺傳演算法在配電網路重構應用中的不足，論文著重從選擇運算元、交叉運算元、變異運算元和收斂準則等方面進行了改進，把最優保存策略和兩兩競爭相結合的方法作為新的選擇運算元，採用隨最優個體相對保留代數自適應變化的交叉和變異運算元，把最優個體最少保留代數作為演算法的終止條件。 -
When the paper uses the optimization regulation, it divides the management time into " t " stages according to ten days to make up the decision having many stages of the reservoir ' s optimization regulation, and it takes the reservoir ' s retain quantity of water or retain status of water and confiscated quantity of water a s condition variable, takes the water quantity of drawing off or quantity of electricity as decision variable. when the confiscated quantity of water can be known or be forecasted in every stage during the period of management, that is to say the confiscated water process can adopt the determined process, we can make up determine dynamic plan model with many stages and take the minimal lacking water as objective function
在動態規劃方法中把水庫的整個調度期，按句劃分為t個時段，以水庫的蓄水量s或蓄水位z和入庫水量q作為狀態變量，以水庫放水量q或電站出力n或發電量e作為決策變量，構成一個多階段決策過程，當計劃調度期內各時段的入庫徑流量已知或可以預報，即入庫徑流過程可以採用確定性徑流過程時，分別按缺水量d最小作為目標函數建立多階段確定性動態規劃數學模型。 -
So, the real exchange rate of rmb is chosen as the objective of this study. firstly, the international exchange rate theories are reviewed, on the basis of which one - variable autoregressive models of time series are put forward. then, according to analyzing real exchange rate theories and the properties of rmb ' s real exchange rate, a linear autoregressive model and two nonlinear regime switch models are selected as tools for this research
首先，本文對匯率的理論研究進行了回顧，提出了使用時間序列的一元自回歸模型，然後，在對實際匯率的理論研究，以及人民幣實際匯率本身所具有的特點進行分析的基礎上，選擇使用線性自回歸模型和非線性的制度轉換模型中的自我激勵閾值自回歸模型和平滑過渡自回歸模型來描述實際匯率的動態行為特徵。 -
According to the work condition of one 1450 five - stand tandem cold mill, reduction distribution as decision variable, the penalty function was established, in which rolling pressure distribution ratio was as objective function and the constraint condition of reduction distribution was as penalty term
根據某1450五機架冷連軋機生產工況，以壓下量分配為自變量，以軋制力成比例分配為目標函數，將壓下量分配的約束條件作為懲罰項，建立懲罰函數。 -
Abstract : this article is based on the theory of fuzzy optimization design. the running speed and width and initialtensileforce and interval distance of roller are its design variable. the objective function is the minimum power loss of the traction motor. it constructs the fuzzy optimization mathematical model of the two - way running belt conveyer ' s main parameters
文摘:以模糊優化設計理論為基礎，以雙運帶式輸送機輸送帶的運行速度、寬度、初張力及托輥間距為設計變量；以牽引電機運行的最小功率消耗為目標函數，構造出了雙運帶式輸送機主參數的模糊優化數學模型。 -
Such methods are generally decreasing method, such as, feasible direction methods, constrained variable metric methods, etc. another class is sub - problems method, which approximates the optimal solution by solving a series of simple sub - problems, such as penalty function methods, trust region methods, and successive quadratic programming sub - problems, etc. the same property of two classes of methods is that they determine whether the next iterative point is " good " or " bad " by comparing the objective function value or merit function value at the current point and next iterative point
另一類叫做子問題演算法，這種演算法是通過一系列簡單子問題的解來逼近原問題的最優解，如罰函數法、信賴域演算法、逐步二次規劃演算法等。這兩類演算法的一個共同特點是，通過比較當前點和下一個迭代點的目標函數值或評價函數值來確定迭代點的「優」或「劣」 ，若迭代點比當前點「優」則該迭代點可以被接受，否則須繼續搜索或調整子問題。 -
Cooperative objective was the mediator variable between co - workers organizational tenure similarity and supportive behaviors, and job burnout
合作性目標在員工任職期限的相似性與相互支持行為、工作倦怠之間的關系方面起完全中介作用。 -
Thanks to the support of the national natural science foundation of china under grand no. 50277036 for " the pulse electromagnetic fields and system - level em radiation of electric vehicles ", this thesis concentrated on the design of the variable voltage and variable frequency ( vvvf ) system and the development of a genetic algorithm for vector optimal design problems. the work includes mainly four parts : a brief introduction of the frequency - converter, the emc design of the vvvf system and the national standard of the electromagnetic interference of the vvvf system, the study of global search optimization algorithms, and an improved genetic algorithm called emigration genetic algorithm for multi - objective optimal problems
在國家自然科學基金資助項目《電動汽車脈沖電磁場與系統級輻射的研究》的工作基礎上，本文對電動車電磁輻射關鍵部分? ?變頻調速系統的電磁兼容性設計以及在電磁兼容性設計中涉及到的電磁系統的多目標優化方法進行了系統的分析和研究，其核心內容包括：變頻器工作原理；變頻調速系統電磁兼容性設計及變頻調速系統電磁兼容標準；隨機類全局優化演算法研究；提出了一種改進的遺傳演算法命名為遷徙遺傳演算法。 -
In chapter 3, the group decision - making is applied in the safety evaluation, and the credit degree is put forward to considering the experts " appraisal level. the principle of set - valued statistics and the fuzzy gravity center based decision theory are put into a new method, and are applied in the uncertain type of ahp. hence, the weights of evaluation indices that reflect the experts " level are gained. this measure, which reflects the objective of the evaluation process and the subjective of the experts, can concentrate various opinions and lower the deviation of the evaluation process. a new method of calculating weights and variable weight is presented in the safety evaluation, and it is discussed that how the method of variable weight is applied in several evaluation methods
在原有的集值統計原理的基礎上，引入對專家評判水平的評判? ?專家的權重，形成加權的集值統計原理，並與重心決策理論相結合，計算出考慮了專家水平差異的橋梁安全性評價指標的權重。這樣處理反映了評價的客觀性和參評人員的主觀性，能很方便地集中多種不同意見，減少了評價過程中的隨機誤差。在橋梁安全性評價中，為了反映橋梁狀態發展的不均衡性，使評價過程更趨于合理，評價結果更可靠，將變權原理應用於橋梁安全性評價，探討變權原理在多種評價方法中的運用。 -
The traffic model and a suit of differential equations presenting the status of the system are given first, from which an objective function is derived, and then the transmission is optimally controlled by the neural network which is characterized by nonlinear map and the particle swarm optimization algorithm which is characterized by stochastic optimization, namely the neural network is employed to generate variable rate of token generation, and the particle swarm optimization algorithm with inertia weight is employed to optimally train neural network in the form of finding a sub - optimal resolution in acceptable computation time
本文給出了傳輸控制的系統模型及其系統各狀態的差分方程表示，由此推導出了系統的代價函數。然後利用神經網路的非線性映射的功能和基於概率尋優的粒子群優化演算法對系統進行優化控制，利用神經網路控制令牌桶的可變令牌產生速率，利用帶慣性權重的粒子群優化演算法對神經網路的權值進行優化訓練，使其在可以接受的時間內達到次優解。 -
The stress and local stability constraints are transformed into movable lower bounds of sizes. an inverse variable xt = ? is inducted, and the objective function is expanded as second order taylor approximation while the displacement constriction is expanded as first order taylor approximation. the lemke algorithm is used to get the final design result
把復雜的應力約束和局部穩定約束轉化為動態尺寸約束，引入倒變量x _ i 1 / a _ i將目標函數展開為二階近似，將位移約束用莫爾積分化為一階近似，用對偶規劃方法將原問題化為等價的二次規劃問題，調用lemke演算法，求得最優設計結果。 -
( 3 ) optimization design principle of long - short - pile composite foundation is put forward, base on which replacement ratio and pile length is taken as design variable, bearing capacity, settlement, stratum strength and other demands acted as constraint function, pile cost taken as objective function, so the optimization design model of long - short - pile composite foundation is built
（ 3 ）提出了長短樁復合地基優化設計原理，在此基礎上將置換率和樁長作為設計變量，承載力、沉降、下臥層強度等要求作為約束函數，總制樁費用作為目標函數，建立出長短樁復合地基優化設計數學模型。 -
Objective with variable focal length
可變焦距物鏡 -
The characteristics of the method of monte carlo are to get the probability model with different random variable, which can solve the risk - decision - making elaborately and provide the objective judge of guideline
該方法能夠更加精細的處理風險型決策，對模擬最終指標的每一個可能區間都能夠以確定的概率來表示，能對決策者提供更客觀精細的評價指標。 -
In the light of the conception of non - inferior result, optimum algorithm utilizes enumeration method and direct method, according to important and variable degrees of various objective function, the principle of selecting the optimum result is put forward
尋優演算法運用直接求非劣解的概念，借用枚舉和直接方法進行尋優，提出了根據各目標函數的重要程度及變化程度選擇最優解的原則。
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