time optimal process 中文意思是什麼

time optimal process 解釋
時間最佳過程
  • time : n 1 時，時間，時日，歲月。2 時候，時刻；期間；時節，季節；〈常pl 〉時期，年代，時代； 〈the time ...
  • optimal : adj. 最適宜的；最理想的；最好的 （opp. pessimal）。
  • process : n 1 進行，經過；過程，歷程；作用。 2 處置，方法，步驟；加工處理，工藝程序，工序；製作法。3 【攝影...
  1. The effects of main process factors such as feeding mode, reaction ph values, and ratio of ammonia and nickel ion, reaction time, agitation, reaction temperature and aging et al on the crystallization course and physical properties of nickel hydroxide were studied in detail. at last, we acquired the optimal preparation parameters, the spherical nickel hydroxide with high tap density and crystalloid degree, perfect flow ability were prepared

    在研究加料方式，氨水的加入量，反應時間、體系ph值、反應溫度、攪拌、陳化等主要工藝條件對ni （ oh ） _ 2結晶過程和物理性能影響的基礎上，確定了較優的工藝參數，制備出了堆積密度和結晶緻密程度較高、流動性較好的球形ni （ oh ） _ 2 。
  2. Based on orthogonal designed experiment, the synthesis of corundum - mullite - gahnite multiphase materials by two - step sintering process showed that the light fired temperature and holding time mostly influenced the apparent porosity of the multiphase materials. further study on the light firing time indicated that at the light firing temperature of 1300 and died fire temperature of 1600 for 3h, the optimal light fired time was about 1h

    二次煅燒及正交實驗合成復相材料研究表明：輕燒溫度和輕燒時間對復相材料的顯氣孔率影響顯著；通過輕燒保溫時間的進一步研究表明：含剛玉、莫來石、鋅鋁尖晶石的復相材料，在輕燒溫度為1300 、終燒條件為1600下保溫3h時，最佳的保溫時間為1小時左右。
  3. It is the optimal time for subjecting creatine to the medium when cultured to 12h and the concentration of creatine was 0. 75 %. creatine, sarcosine and choline chloride could induce the creatinase production and creatine was the optimal inducer, but creatinine and urea could not induce the creatinase production. 3 purification of creatinase the process of creatinase purification was performed as follows : first the enzyme was completely precipitated in the range of 40 - 80 % of saturation with ammonia sulfate fraction precipitation

    最佳氮源為玉米漿和蛋白腖，最佳比例為2 ： 3 ，最佳濃度為1 . 6 ；加入其它碳源時有助於菌株穩定產酶； 100ml搖瓶的最佳裝液量為15ml ；肌酸、肌氨酸和氯化膽堿都能誘導菌株產酶，其中肌酸誘導產酶的效果最好，而肌酐和尿素不能誘導菌株產酶；誘導物肌酸的最適加入時間為接種培養12小時后，最適加入量為0 . 75 。
  4. Aiming at such problems in combustion system of homemade middle and miniature boiler, as a complex system with the character of dead zone, time variation, serious non - linearity, large time delay, coupling and a lot of disturbance, this paper presents a new set of optimal control resources. by using well - matched control method on system, stable automatic running is realized. having the serious divulgence coals difference a lot from each other in character, instability of chemistry, value of lowest emission of heat, home - made boiler controller is not at all ideal. instead of traditional model that controls the ratio based on proportional control or with the correct signal of the amount of oxygen, this paper, combined with intellect control theory - - fuzzy control and self - optimizing concept, propounded a kind of fuzzy self - optimizing controller to be used in air supplying system of the boiler, and expatiates on the idea of dividing the control process into two parts, dynamic and static to realize, thus meets the demand of homemade boiler economic running

    本設計針對國產中、小型電站鍋爐燃燒系統參數時變、嚴重非線性、干擾因素復雜、耦合嚴重、模型不易確定的特點，提出多變量協調控制方案，解決了系統可控性差，難以實現穩定自動運行的問題；在此基礎上，改變以往以煙氣含氧量控制送風的傳統模式，針對國產電站鍋爐設備主體及一、二次送風迴路泄露嚴重，煤種混雜、成分不穩定、燃燒發熱值低、燃燒效率不高等問題，應用智能控制理論中的模糊控制技術，結合自尋最優控制的思想，設計了一種模糊自尋優控制器，應用在電站鍋爐送風控制系統上，並闡述了動靜態兩種實現途徑，通過在線優化風煤配比，實現最佳經濟燃燒，切實保障了鍋爐的經濟運行。
  5. The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault ， researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system ， a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows ： this paper compared some existing methods in excitation control ， fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 ， indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which ， discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations ， made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations ， which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations ， there were several very important parameters of power system - - rotor angle ( ) ， rotor speed ( ) ， generator q axis voltage ( eq ) ， transient voltage ( e ' q ) ， active power ( pe ) ， mechanical input power ( pm ) ， valve opening ( ) ， generator terminal voltage ( vt ) ， based on the model ， nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault ， which achieved better postfault regulation compared with another two routine methods ， one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either

    在介紹逆系統理論的基礎上，詳細介紹了dfl理論，通過比較闡明了dfl理論其本質是逆系統方法的一類，並結合具體課題推導出的模型方程將dfl理論進行了擴展，使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程，此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ，在此基礎上建立了實用的電力系統簡化的數學模型，並將擴展的dfl理論應用於此模型系統，結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器，通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門（考慮發電機的飽和因素）進行了對比，證實了採用此種控制器可以有效地提高電力系統的暫態穩定性，並且在電力系統遭受小干擾時同樣具有良好的調節性能。
  6. The objective of the optimal model is to keep the flood process mode similar and subject to restrictions of the actual peak flow discharge and flood volume in different period of time, the ga and prsaa that have global optimal capabilities are used to solve the model in this paper

    在滿足洪峰流量約束和分時段洪量約束條件下，本文建立了以洪水過程模式盡量相似為目標的洪水過程放大優化模型，並採用具有全局搜索能力的遺傳演算法和并行組合模擬退火演算法求解該模型。
  7. Firstly, to perform pca or lda on basis of such high - dimensional image vectors is a time - consuming process. secondly, the high dimensionality usually leads to singularity of the within - class covariance matrix, which is a trouble for calculation of fisher optimal discriminant vectors

    這樣就從根本上避免了在高維的圖像向量空間內構造散布矩陣並計算特徵向量的困難，大幅度地降低了特徵抽取過程所耗費的計算量。
  8. There are many plants that have the character of time - varying, large delay, large inertia in the process of production of modern power station such as the superheated steam temperature, the reheated steam temperature, the water treatment of boiler and the load regulation. some of them have the strong character of nonlinear and some of them are multivariable coupling systems it is very difficult to obtain good effect of control by conventional pid control. it is necessary to set up the mathematics models of controlled plants if applying control means of modern control theory such as self - adaptive control, optimal control ， decoupling control and predictive control. and these control systems have large calculation and bad character of real time in general. these disadvantages make them be not able to meet the need of real production process and limit the application of them in modern power station. now the generator units are developing towards large capacity and high parameters. many new kinds of generating electricity means are coming into being. the characers of production units of power station become more and more complex but the demand to quality of control becomes more and more strict. the new control means are in bad need to control them effectively

    現代電站的生產過程中存在過熱汽溫、再熱汽溫、鍋爐水處理、負荷調節等許多大遲延、大滯后、特性時變的對象，它們中有些還是具有強非線性特性的對象或多變量耦合系統，採用常規的pid控制手段很難取得良好的控制效果。若應用現代控制理論中的自適應控制、最優控制、解耦控制、預測控制等控制手段，則需要建立被控對象的數學模型，而且往往控制系統的計算量大、實時性差。這些缺點使其很難滿足實際生產過程的需要從而極大地限制了其在現代電站中的應用。
  9. 4 the optimal insurance based on game theory study the above aggregate model of life insurance by applying the game theories. the insurance process is characterized by the game of two - person zero - sum for the first time : the existence of the optimal value of premium in the model and how to obtain the optimal value are analyzed in detail based on the game theories

    4基於對策理論的最優保險將對策理論應用於保險實踐中，投保過程可以由二人零和對策來描述，應用二人零和對策理論討論模型中保險費的最優值存在性及如何得到保險費的最優解。
  10. Abstract : a semi - analytical method is used to modelling the pract ical 3 - zone simulated moving bed chromatography ( smbc ) process for optimal searc hing. the switch time which is the most important operation parameter of 3 - zone smbc is analyzed based on the nonlinear batch chromatography theory firstly, and then adjusted by the deviation between the output and the expectation. the switch time approaches the optimization very soon by continously searching on the basi s of the theory. the parameters of the practical system are inputted into simulat ion, the result is used in our experiment and a good separation is obtained

    文摘:針對三帶模擬移動床色譜的實際模型，用一種融合了前饋與反饋的半解析優化計算方法對三帶模擬移動床色譜過程進行了模擬.首先，由非線性單柱色譜理論解析地給出一個三帶模擬移動床色譜的主要操作參數即切換時間值，然後利用所得結果與目標量之間的偏差來校正切換時間，在理論指導下進行優化搜索，切換時間能很快達到最佳值.將測得的系統參數引入計算，並將計算結果用於實際操作，得到了很好的分離效果
  11. Just like other optimization problems, coalition formation need search the optimal solution or quasi - optimal solution in a complex and huge space. if algorithm traverses the whole search space, search process will lead to combination explosion that make it impossible for algorithm to complete search in polynomial time

    與其它的最優化問題一樣，聯盟形成需要在復雜而龐大的搜索空間尋找最優解或滿意解，如果遍歷整個搜索空間，就會產生搜索組合爆炸，在多項式時間內無法完成搜索。
  12. Just like other optimization problem, coalition formation need search the optimal solution or quasi - optimal solution in a complex and huge space. if algorithm traverses the whole search space, search process will lead to combination explosion that make it impossible for algorithm to complete search in polynomial time

    與其他的最優化問題一樣，聯盟形成需要在復雜而龐大的搜索空間中尋找最優解或滿意解，如果遍歷整個搜索空間，就會產生搜索的組合爆炸，在多項式時間內無法完成搜索。
  13. In order to be pull into practice use in engineering application, a real time emluator of the the closed - loop control system for the x - model aero - engine acceleration process has been established through combining the engine model and the controller model. the sqp ( sequential quadratic programming ) is used to get the optimal acceleration process result for the x - model aero - engine

    為了達到工程上實用的目的，在對某研究所提供的某型發動機實時模型作了詳細分析並進行了加速過程的模擬計算后，本文將控制器模型和發動機模型聯立在一起，構成了閉環形式的發動機加速過程實時模擬計算模型。
  14. In light of the disadvantage of few decision - making variables in the traditional auction mechanism design, this paper, taking the reservation price of the auctioneer, auction time, and the arrival process of bidders into account, proposes the optimal design of online single unit auction with financially constrained buyers aimed at maximizing the auctioneer ' s revenue

    摘要針對傳統拍賣機制設計所涉及的決策變量較少的弊端，結合網上拍賣的新特點，引入拍賣商的保留價、拍賣時間和投標者到達過程等決策變量，以投標者利潤最大化為目標建立相關模型，在考慮投標商資金約束情況下，對單物品在線最優拍賣進行了設計。
  15. Abstract : this paper discusses the sensitivity problem of optimal statinary policy with discounted factor in continuous time markov dicision process. the author gives a solution by reducing it to a polynomial problem

    文摘:討論了連續時間馬氏決策過程中最優平穩策略對折扣因子的靈敏度問題，並將之化為一個多項式問題來求解。
  16. A study on modeling, scheduling and optimal control problems for a class of hybrid manufacturing systems is investigated. in this framework, the discrete entities have a state characterized by a temporal component whose evolution is described by event - driven dynamics and a physical component whose evolution is described by continuous time - driven dynamics, thus it is a typical hybrid system. not only the optimal control for manufacturing process like that discussed in many references but also the optimal machining sequence are considered in this paper. the whole problem is solved by a two - level optimization method : at the inner loop, for any given machining sequence of the jobs, the optimal control for manufacturing process is considered ; while at the outer level, an improved genetic algorithm is used to decide the optimal machining sequence of a batch of jobs to be processed. finally, some examples are given to illustrate the validity of the algorithm

    研究了一類單階段混合製造系統的建模、分析與調度問題，這類系統既包含離散事件動態，也包含連續時間動態，前者用排隊網路描述，後者用微分方程描述.不僅考慮了a這類系統的最優控制問題，而且考慮了工件進入生產線的最優時間，並用一個復雜的優化模型描述，同時給出了一個兩層優化方法，內層給出對給定工件序列的最優控制，而外層用一改進的遺傳演算法求解工件進入生產線的最優時間序列.若干模擬實例說明了演算法的有效性
  17. In the part of negotiation among multiple disciplines, a kind of group negotiation strategy considered negotiation time, resource and other various factors is brought forward. payoff ( utility ) function in the game theory is used to simulate the action of negotiators, and using fuzzy sets theory and pareto optimal principle to guide the process of negotiation, and receiving pareto optimal solution through negotiation

    在多學科協商中，綜合考慮協商中時間、資源等多方面的因素，提出了一個組協商策略，採用博弈論中的回報（效用）函數方法模擬協商者的行為，結合模糊集理論和pareto最優方法對協商過程進行指導，進而通過協商得到相應的pareto最優解。
  18. The theoretical analysis and test result show that the proper preprocessing an appropriate preprocessing of the optimization mathematical model can simplify the optimal design process, accelerate the algorithm convergence speed, and at the same time, improve the best solution quality

    理論分析和測試數據表明：對優化數學模型採用適當的預處理，簡化了優化設計過程，加速了演算法的收斂速度，同時提高了最優解的質量。
  19. Using sncl4 - 5h2o and sbcl3 as precursors, antimony doped tin oxide particles with good electrical properties have been prepared by hydrothermal synthesis. the optimal conditions of this synthesis process were as following : doping ratio was 11 % ; reaction temperature was 180 ; reaction time was 2h ; the temperature and time of calcinations is 700 and 2h. the size of ato particles obtained is about 20nm, and its resistance can reach 0. 2, under 0. 2mpa pressure

    在摻雜濃度為11 ，水熱反應溫度為180 ，反應壓力1mpa ，反應時間2h ，熱處理溫度為700 ，熱處理時間2h的實驗條件下制備的ato粉體，性能達到最佳，晶粒度在20個nm左右，在0 . 2mpa壓力下粉體電阻值為0 . 2 。
  20. In terms of the supply of pubic goods, the realization of optimal resource allocation is, at the same time, the process of eliminating the burden of taxation automatically

    私人部門主導型混合產品:這類混合產品的提供主體主要是私人組織，其外部性小，在性質上接近私人產品。
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