難控制的特性 的英文怎麼說

中文拼音 [nánkòngzhìdetèxìng]
難控制的特性 英文
intractable nature
  • 難 : 難Ⅰ形容詞1 （做起來費事的） difficult; hard; troublesome 2 （不容易; 不大可能） hardly possible 3...
  • 控 : 動詞1 （告發;控告） accuse; charge 2 （控制） control; dominate 3 （使容器口兒朝下 讓裏面的液體慢...
  • 制 : Ⅰ動詞1 （製造） make; manufacture 2 （擬訂; 規定） draw up; establish 3 （用強力約束; 限定; 管束...
  • 的 : 4次方是 The fourth power of 2 is direction
  • 特 : Ⅰ形容詞（特殊; 超出一般） particular; special; exceptional; unusual Ⅱ副詞1 （特別） especially; v...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
  • 特性 : characteristic（s）; character; performance; features; properties; behaviour; response; character...
  1. High accuracy kdp crystal optics is now considered as one of optics that is the most difficult to be processed for its series of disadvantageous characteristics to optics processing such as anisotropy, soft nature, easy to deliquesce, high brittleness, sensitive to temperature change, easy to crack and so on. therefore the long machining period, low percent of pass and astaticism quality has become the bottleneck of icf technology, and the surface quality control of kdp crystal processing has become the key problem to be solved in the research of icf in our country

    Kdp晶體零件是目前公認的最難加工的光學零件之一，因為kdp晶體具有各向異性、質軟、易潮解、脆性高、對溫度變化敏感和易開裂等不利於光學加工的特點，所以加工周期長、合格率低、質量不穩定成為慣性約束聚變技術的瓶頸， kdp晶體超精密加工表面質量控制問題已經成為我國慣性約束聚變研究中亟待解決的關鍵問題。
  2. By hydraulic modeling, this paper describes studies on the stability of a floating bulkhead operating in standing water and flowing water, and it ' s hydrodynamic stability characteristics that distinguish in standing water from in flowing water ; and direct measurements of the forces acting on the model floating body during floating and sinking is taken. as a result, the rotation stress curves are produced and analyzed ; to provide data for optimum operation schedule analyses of the sluice, the relationship of the impact forces acting on the side wall of the gate and the running speed is studied ; the reasons of unstably uplifting of the bulkhead are discussed and the method to solve the problem is also given in this paper

    本文結合常州新閘防洪控制工程水工模型試驗，系統分析了浮箱門在靜水和動水中的穩定性及其影響因素，指出靜水穩性和動水穩性的不同特點；試驗測定了浮箱門動水運行時的受力情況，給出並分析了定位過程轉動力的變化過程曲線；根據浮箱門啟閉速度與門體和岸墻之間撞擊力大小的關系，選擇合理的動力設備，為設計和工程實踐提供可靠依據；分析浮箱門難以穩定上浮的原因，並給出解決方案。
  3. These platforms are based on distributed network environment. although they are able promote enterprise application, they have the complicated characteristic of distribution, asynchrony, and concurrence

    這些平臺都基於分散式網路環境，雖然能夠有效地促進企業應用，但是具有異構性、分佈性、並發性、異步性等諸多難以控制的特性。
  4. In this paper, taking one of the special processes - chromic acids anodizing for example, such administration methods as the key points control and the quality performance administration system for surface treatment process have been setup by process analysis and key points seeking. as for the complicacy of the quality control on metallurgical special processes and the huge statistic data, the quality information system of surface treatment have been established on the bases of computer database. this paper brings out the systematic evaluation way to setup reception test items by taking the reception test results as evaluation basis and sampling statistics as rules

    本文以鉻酸陽極氧化表面處理工藝為研究對象，通過工藝技術分析、尋找關鍵特性、建立對關鍵特性的控制等工作，研究建立了表面處理工藝動態質量管理系統；針對冶金特種工藝質量控制的復雜性及統計數據量大等特點，建立了以計算機數據庫管理為基礎的表面處理信息及處理系統；為解決冶金特種工藝原材料入廠復驗任務重的困難，建立了以原材料入廠復驗的試驗結果為評價基礎，以抽樣統計方法為依據的原材料入廠復驗項目優選系統等。
  5. For real complex industrial process plants with long time delay, nonlinear, multi - disturbance, and strong coupling, it is hard to develop practical mathematical models, and the complex plants are difficult to control automatically

    摘要連續碳酸化分解的生產過程式控制制復雜，具有長流程、大滯后、非線性、強干擾、強耦合的特性，對其難以建立精確描述的數學模型。
  6. 2. the cement rotary kiln is a complex process, which has nonlinear and time - varying characteristic and exist strong and frequent disturbance, so global model is hard to establish. based on analysis of the characteristics of the decomposing furnace in hangzhou cement rotary kiln plant, a new fuzzy predictive control method with multi - model structure is proposed

    根據水泥生產線系統復雜、干擾頻繁、全局模型建立困難的實際情況，通過對回轉窯燒成工藝和分解爐過程特性的分析，提出一種基於t - s模型的多模結構的預測控制演算法，並在dcs系統中開發了實時控制的軟體。
  7. 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。
  8. In addition, according to the complexity of the enthalpy different laboratory and the coupling between the temperature with humidity, for normal regulations pid can not attain the good control result, the fuzzy - pid control strategy is bringed up. in this thesis, we explain the reason of selecting by the fuzzy - pid control, the fuzzy - pid control ' s principle, design, and imitate the true model to take and analyze fuzzy control system proceed stability analysis

    此外，基於焓差室內部結構的復雜性以及溫度和濕度之間存在著一定的耦合作用，目前採用的常規pid控制難以達到較好的控制效果的特點，提出了fuzzy - pid控制策略。在論文中，簡要說明了選取fuzzy - pid的原因和fuzzy - pid控制的原理、設計，以及模擬模型的求取，並對該模糊控制系統進行穩定性分析，最後採用matlab進行模擬研究，給出模擬結果和理論分析。
  9. Copper matte converting system is a complicated process which has the characteristics of multivariable, nonlinearity, strong coupling, large inertia, time varying and uncertainty and very difficult to carry out real - time on - line control. the purpose of the optimization, decision - making and control of copper matte converting process is to improve the productivity and decrease energy consumption

    銅鋶吹煉過程是一類具有多變量、非線性、強耦合、大慣性、時變性和不確定性、難以實時在線控制等特點的復雜對象，銅鋶吹煉過程優化決策與控制的目的是為了提高勞動生產率，實現優質高產和降低能源消耗。
  10. However, the artificial methods for tuning pid parameters are so far applied commonly regardless of in the domestic or overseas process control engineering practice, which cause the pid tuning job extremely time - consuming and can not assure of the best control system performances consequently, particularly for these time variant processes

    然而，至今控制系統的pid參數整定工作無論是在國內還是在國外的控制工程實踐中，主要採用的還是人工整定法。這使得pid參數的整定工作不僅費時，而且難以保證控制系統性能最佳，尤其是對于被控對象特性隨工況發生變化的系統， pid參數人工整定法更不能滿足系統的要求。
  11. In the next, the paper focuses on explaining the recognition of waterway fixed assets, and puts forward if the potential service from port facility such as bulwark, navigation mark, beacon and so on, which bear the property of public goods can not be dominated or possessed by the corporation which constructed them, the expenditure of construction and repairs should be treated as the expense of the year ; if the potential service can be dominated by the corporation or other port corporations pay for the use of above - mentioned port facilities, then the expenditure of construction should be regarded as the cost of fixed assets

    由於水運固定資產具有其本身的特性，它的確認一直是水運會計理論界的一個難題。本文提出：如果防波堤、航標、燈塔等具有公共產品性質的港務設施的服務潛能不能為企業所擁有、控制，那麼就應將建造、修理支出作為本期費用；如果它們的服務潛能為企業所擁有或者因其它港口企業使用它們而使本企業受惠，那麼就應將有關上述設施的成本支出計入固定資產進行確認及核算。
  12. This form of liability is called “ liability without fault ”. the foundation of “ liability without fault ” has resolved many problems, but it also has brought many problems. “ fault ” and “ without fault ” are two concepts which have opposite meanings, then why can they exist in one system of law

    由於這類損害事故的發生往往是行為人難以預料、難以控制的，因而可以說超出了行為人理性所能及的范圍，究其本質可以說是對現代社會特殊風險的分散。
  13. However, the practice of this specific pattern also has some problems for the current press industry of the target market being ambiguous, the service offered not enough or considerate, the fund needed huge, the obtaining of readers " data difficult and etc. this thesis does not only make a comprehensive analysis and speculation of the membership pattern of distribution at the burgeoning stage, but illustrates the point that this kind of distribution mode is playing an increasingly more important part in the press industry, which means much theoretically and practically

    因會員制營銷具有的以雙向為原則進行溝通交流、以互利互惠為目標及較強信息控制功能的特性，報業會員制發行模式具有資格限制、促進編讀互動，適應讀者需求、調整讀者結構、培養讀者忠誠度、提高報社工作效率、增加報社廣告效益、與報社無形資產良性互動等特點和優勢，但由於目前報業會員制實施尚處「初級階段」 ，故而存在著目標市場不明確、服務深度不夠、宣傳力度較小、所需資金數額較大、客戶資料較難獲取等問題。
  14. The blueprint of a windows nt based axis control system was presented. the strategy of axis control was designed based on windows nt architecture and the runtime model was built. the solution to some key technical problems was also discussed

    提出了基於windowsnt設計軸控制系統的基本方案，並根據windowsnt自身的特性設計了軸控制系統的運行模型，討論了一些技術性難點的解決方案。
  15. It is always impossible to obtain accurate mathematics model for the practical industrial processes. the model under which the controller is designed is usually different to the real plant owing to model reduction, linearity approximations and the ignoring of the dynamics difficulty for modeling, the changing of the operating environment and other unmeasurable disturbances

    在實際工業過程式控制制中要想完全準確地建立被控對象的數學模型是非常困難甚至是不可能的，通過模型降階近似，非線性特性的線性化近似，以及忽略對象難以建模的動態特性、外部工作環境的變化和各種不可測干擾之後所得到的對象模型跟實際對象的特性存在一定的差距，這種差距往往可以看成是系統模型的一種不確定性。
  16. Since sontag - type control based on control lyapunov function is an important control law in robust stabilization of affine systems, we point out that is a kind of variable structural control in essence. due to this recognition and the fact that control lyapunov functions are difficult to be constructed, we propose the concept of weak control lyapunov function and then prove the stabilizing property and the robustness of sontag - type control. using the way of proposing the control lyapunov function and the special structure of sontag - type control, we investigate the dissipassivation control of a kind of perturbed nonlinear systems

    基於控制李雅普諾夫函數的sontag - type控制，是仿射系統魯棒鎮定研究中一種非常重要的控制律，通過研究我們發現，該控制律實質上是一種變結構控制；基於這一認識，也考慮到控制李雅普諾夫函數難于構造，我們抽象出弱控制李雅普諾夫函數概念，並證明了基於弱控制李雅普諾夫函數的sontag - type控制的鎮定作用和優化特性；借鑒控制李雅普諾夫函數的抽象方式以及sontag - type控制的特殊結構，探討了一類受擾系統的耗散化控制；探討了齊性度理論與控制李雅普諾夫函數相結合的鎮定設計問題。
  17. The road tunnel ventilation system has strong non - linear characteristic and it is difficult to gain the precise mathematical model by using the traditional linear control theory, therefore, the modern control methods such as the fuzzy control become the trend for the road tunnel ventilation control. however, there are some difficulties with the establishment of the fuzzy membership functions and the rule base

    公路隧道通風系統具有很強的非線形特徵，傳統的線性控制理論難以獲得精確的數學模型，因此模糊控制等現代控制方法成為公路隧道通風控制的趨勢，但模糊控制存在隸屬函數、控制規則難以確定的問題。
  18. Control systems in modern automatic engineering are nonlinear, time - changed and indefinite. lt is difficult to model by traditional method, even sometime impossible. under these circumstances we should apply model identification to gain the approximate model of object for effective control, there are many models to be chosen, fuzzy model is one of them, it is put forward with the development of fuzzy control. fuzzy model has characteristics of general approximation and strong nonlinear, it is fit for describing complex, nonlinear systems. to avoid rules expansion when the number of input values are very big. in this paper we apply hierarchical fuzzy model to resolve this problem, we also illustrate it has general approximation to any nonlinear systems. genetic algorithm is a algorithm to help find the best parameters of process. lt has abilities of global optimizing and implicit parallel, it can be generally used for all applications. in our paper we use fuzzy model as predictive model and apply ga to identify fuzzy model ( including hierarchical fuzzy model ), we made experiments to nonlinear predictive systems and got very good results. the paper contains chapters as below : chapter 1 preface

    現代控制工程中的系統多表現為非線性、時變和不確定性，採用傳統的建模方法比較困難，或者根本無法實現，在這種情況下，要實現有效的控制，必須採用模型辨識的方法來獲取對象的近似模型，並加以控制，目前用於系統辨識的模型種類很多，模糊模型是其中的一種，它隨著模糊控制的發展而被人提出，模糊模型具有萬能逼近和強非線性的特點，比較適合於描述復雜非線性系統，為了解決模糊模型在輸入變量較多時規則數膨脹的問題，文中引入遞階型模糊模型，並引證這種結構的通用逼近特性。遺傳演算法是模擬自然界生物進化「優勝劣汰」原理的一種參數尋優演算法，它具有隱含并行性和全局最優化的能力，並且對尋優對象的要求比較低，在工程應用和科學研究中，得到了廣泛的應用，本文將遺傳演算法引入模糊模型的辨識，取得了很好的效果。
  19. Abstract : the importance of controlling strip shape and crown is analyzed, but it is difficult to realize due to the intrinsic characteristics of rolling process

    文摘:分析了板帶軋制過程中板形和凸度控制的重要性，減少凸度能顯著提高成材率，而軋制過程的固有特性使得板形和凸度難以控制。
  20. It ' s difficult to precise control for non - linear and uncertainty of aircraft, so braking control problem was solved by adopting fuzzy control

    對于剎車系統的非線性和不確定性，難以精確控制的特點，採用模糊控制來解決剎車控制問題。
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