比例控制因數 的英文怎麼說

中文拼音 [bǐlìkòngzhìyīnshǔ]
比例控制因數 英文
proportional control factor
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  • 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...
  • 因 : Ⅰ動詞[書面語] （沿襲） follow; carry on Ⅱ介詞1 [書面語] （憑借; 根據） on the basis of; in accord...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 比例 : 1. （長度上縮小和放大的倍數） scale; scaling 2. （比率） proportion; ratio; proportionality
  • 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
  1. The point analyses the composition and efficancy of the structure of corporate governance with the modern administration theory. lt systematically sets forth and compares the features and development of the structure of the corporate governance in chinese and western. by analyzing the present situation of our listing companies, it points out : " the internal control " can be considered the inevitable phenomenon, emerged in the period from the socialism planned economy to the market economy in china ' s state - owned enterprises. by the means of gathering a vast amount of data and analying cases and charts, it gives the conclutions : because the enterprise inform is progressed " step by step ", the internal controlling in our country has assumed its own features : the enterprise is in the concussion between the " super - powerful controp ' of external and the " super - weakly control " in internal. those popular phenomenon have been looked as the principle manifestation of " the internal control " which taking the national stock as the ma in part and holding the post of chainman of the board and the chief manager in company to the same man

    本文利用現代管理理論和現代企業理論來剖析公司治理結構的組成和效率體現，對中西方公司治理結構的特徵和歷史發展作了較系統的闡述和比較，並且運用大量的數據對我國上市公司治理結構進行了實證分析，指出： 「內部人控制」是在我國社會主義經濟向市場經濟轉軌時期，國有企業公司治理結構中出現的一種必然現象。本文在闡述公司治理結構特徵和功效的基礎上，通過大量數據的收集、案例分析和圖表處理來分析我國企業治理結構的歷史變遷並揭示出：由於我國企業改革是「漸進式」的， 「內部人控制」表現出其自身的特點：企業處于外部「超強控制」和「超弱控制」的兩極震蕩中。作為最具我國現代企業代表特徵的上市公司，因為以國家股為持股主體，董事長和總經理兩職兼任的現象甚為普遍而成為目前企業事實上的「內部人控制」的主要表現形式。
  2. Based on general fuzzy controller, the thesis gives how the controller ' s performance is influenced by factors of proportionality, membership function and defuzzification method

    以常規模糊控制器設計為基礎，探討了量化因子和比例因子、隸屬函數、非模糊化方法等對控制器控制性能的影響。
  3. 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。
  4. The foundation engineering is typical in both excavation depth and scale, on the basis of in - situ investigation, the design optimistic of retaining wall was discussioned in this paper, the mian reseaches including : the using of fem optimazition methods of rods system ; the delvopment of programs for optimazition of imbedding depth of structure based on matlab and for whole design optimaziton of the retaining structures based on ansys, under the two controlling factors of the saft coefficient and the reliability probability about the whole damage of retaining atructure ; the analysis on the m index of soil, the depth of retaining structures imbedded in the rock and the overall optimistic design of retaining structures

    該基礎工程不論在開挖深度還是規模上都很具有代表性。作者在現場調研的基礎上，探討了基坑支護結構設計優化問題。主要研究內容可以歸納為：應用基於m法的彈性地基梁桿系有限元方法；在圍護結構整體穩定性安全系數與可靠性破壞概率兩種控制因素下，編寫了嵌巖深度優化的matlab程序與圍護結構整體設計優化的ansys批處理程序；進行了地層抗力比例系數反算、地下連續墻嵌巖深度優化與地下連續墻結構體系整體設計優化。
  5. This paper put forward a method of using amending sine value in the spwm sine table. this method can correct the distortion of the output voltage waveform, which resulted from the dead time used to the voltage type whole bridge main circuit. the inverter system adopts digital fuzzy controller with feed forward correction and which proportion coefficient and integral coefficient is changeable, so dynamic response is improved

    本文提出了一種採用修補spwm正弦表值的方法，用以改善電壓型全橋逆變主電路因上下橋的功率器件切換時先關斷后導通的死區時間而引起的輸出電壓波形畸變；逆變系統採用帶前饋校正的變比例變積分系數的模糊控制器，提高了系統的動態響應指標；系統設計了完善的保護措施，並具有市電電網的故障診斷功能。
  6. To accept the current signal from high negative voltage circuit, the analog ground is raised to a certain positive voltage, which makes it possible for the signal amplitude to be compressed at the same time of its polarity reversion. a pi control program special for laser gyro current control is brought forward according to the conventional pid control method, in which the control signal is figured out corresponding to the difference between the sample and the reference value by turn of proportion - short step integral - long step integral. and at the end of this paper, a comparison of system performance on different conditions is made and the key elements influencing system performance are educed

    利用集成a / d 、 d / a轉換器的新型晶元aduc824 ，實現了電流（電壓）采樣?數據處理?電流控制的閉環控制結構；地電位的抬升解決了a / d轉換器對負高壓迴路電流采樣時的輸入范圍匹配問題；控制信號反相的同時進行幅度壓縮，使得輸出調整電壓的解析度提高；根據常規的比例?積分?微分（ pid ）調節模型，針對陀螺系統的特性，給出了一種可以滿足系統要求、據采樣值偏差大小進行的比例?大步長積分?小步長積分、分層次比例?積分演算法；不同條件下系統穩流性能的對比、分析在論文最後給出，並據此找出了決定該系統穩流精度的關鍵因素，提出了系統的改進意見。
  7. The innovative ideas in this paper is to replace the linear fixed - gain pid controller for a nonlinear pid controller. based on the step response curves of conventional control system, we analyze the ideal variety of three gains in different times and construct the simulated curves of proportional, intergral and derivative gain. the controllers has considered all sorts of imperceptible factors affecting the servo performances in a lpmsm servo system, which include the parametric uncertainties brought by the changes of the mobile mass, the dynamitic performance of the system and the size of input. to solve the problem of so many unknown parameters, we use transmit arithmetic to find the parameters which are fit for the system. to keep the robust and stable performance

    本文的創新之處在於，將傳統的固定增益的pid控制器用非線性pid控制器來代替，並在此基礎上，就一般控制系統的階躍響應曲線，分析了在不同響應時間階段pid的三個增益調節參數的理想變化情況，並根據這些理想變化，分別給出了比例、積分、微分增益參數的一種連續的非線性擬和函數。在分析雙位置環時，仔細考慮了能使系統性能變壞的各種因素，如系統的動態性能及控制出入能量的大小等等。
  8. First, according to the demand of vimp for resin system, the reaction kinetics and rheological of up resin are investigated and the optimal content of low additive profile ( lpa ) is determined. then vimp based on a high - permeable medium and grooves are studied by visual experiments, through which the appropriate high - permeable mediums are selected and the parameters of width, depth and spacing for flow grooves and spacing for supply grooves are optimized. furthermore, various factors affecting the mold filling process are discussed and the whole vacuum infusion procedures are described taking examples of the manufacture of a model boat and a sandwich panel in one infusion

    文中首先根據vimp對樹脂體系的要求，對vimp用不飽和聚酯樹脂體系的動力學和流變學性能進行了研究，確定了最佳低收縮添加劑的含量；對高滲透介質型和溝槽型vimp開展了實驗研究，通過可視化實驗優選出較好的高滲透介質，確定了引流槽的寬度、深度和槽間距及主槽的槽間距等工藝參數並進行了優化；對影響充模過程的各種因素進行了詳細的討論，並以模型船和夾芯面板的製作為實例描述了兩種vimp的成型過程；在實驗的基礎上，建立了二維滲漏模型，採用控制體有限元法對高滲透介質型vimp進行了成型過程的計算機模擬計算，通過充模時間和流動前峰的計算值與實驗結果的比較，驗證本文所採用的數學模型和數值方法的正確性，其結果對實際生產具有一定的理論指導意義。
  9. Perfection and adjustment according to system properties, it combines genetic algorithms with fuzzy control, detailed analyzes the problem of designing fuzzy controller and proposes two advanced schemes : first scheme : the change - of - variables are emerged into input variables of the simple fuzzy controllers of oil feeding pump system as one variable, and one pi block is connected after output of fuzzy controllers, consequently the structure of the improved fuzzy controller is analyzed, finally genetic algorithms with adaptive probabilities of crossover and mutation is applied to optimize membership functions and fusing factors of the fuzzy controllers, and the simulation results of before and after optimization are compared

    由於在模糊控制器的設計過程中存在較多的人為因素，為了實現根據系統特性對模糊規則和隸屬函數進行自動修正、完善和調整，本文將遺傳演算法和模糊控制結合起來，並針對前面設計的模糊控制器中所存在的問題進行了詳細分析，提出了兩種改進方案： 1在簡單模糊控制器的輸入變量中加入了變量變化率的信息，即將輸入變量和變量的變化率融合為一個輸入量，並在模糊控制器的輸出端加入比例、積分環節，然後分析了這種改進后的模糊控制器的解析結構，最後採用改進后的自適應遺傳運算元的遺傳演算法對模糊控制器中的隸屬函數和融合因子進行優化，並將優化前後的結果作了比較和分析。 2
  10. Then, this paper empirically tested the validation and predictive accuracy of different var risk management model in the domestic financial market. finally, with the analysis of modem financial risk management development trend and the current domestic financial risk management situation, this paper made a prospect for the application of this model in the construction of domestic financial risk management system. through the analysis, the main conclusions are as follows : ( l ) the traditional mean - variance model is the special example of the portfolio selection based on the var risk management model for the case that the returns of the portfolio are assumed to be normally distributed ; compared with the mean - variance model, the var risk management model is more comprehensive and accurate in the measurement of the portfolio risk, so based on the var model, the investors can allocate the asset more effectively. ( 2 ) the var risk management model can provide the timely and comprehensive risk information for the top risk manager, so it is very helpful to the improvement of total risk management efficiency. ( 3 ) based on the var model, the raroc performance valuation approach can reflect the real performance of the portfolio manager and provide the coherent standard for the allocation of risk limitation and the construction of the incentive compatibility constraint mechanism in the financial instiutions

    通過研究分析，本文主要得出如下結論： （ 1 ）傳統的markowitz均值? ?方差模型僅僅是在資產組合收益率正態分佈假設條件下基於var風險管理模型進行資產組合選擇的特例，與均值? ?方差模型中的方差風險度量方法相比， var風險管理模型能夠更全面、更貼切地衡量資產組合的風險，且基於此模型能夠更有效地進行資產配置決策； （ 2 ） var風險管理模型能夠滿足更高層次風險管理者對風險信息的需求，有助於整體風險管理效率的提高； （ 3 ）基於var風險管理模型的raroc績效評價能夠反映資產組合管理人的真實業績，從而為金融機構風險限額的分配和激勵約束機制的制定提供統一的標準； （ 4 ）國內證券市場資產組合收益率服從正態分佈的假設明顯不成立，實證檢驗表明基於資產組合收益率正態分佈假設條件下的方差? ?協方差模型對國內資產組合風險的預測存在較大的偏差，由於文中證明在收益率正態分佈假設條件下基於方差? ?協方差模型進行資產組合選擇的結果等價于markowitz的均值? ?方差模型，因此，均值? ?方差模型對國內資產組合風險的預測同樣會存在著較大的偏差，而半參數var風險管理模型則能夠取得較好的預測衡量效果； （ 5 ） var風險管理模型符合未來金融風險管理的發展趨勢，基於var風險管理模型建立內容提要風險限額內控體系、風險信息披露體系和業績評價體系，並進行金融監管，將有助於國內金融機構內部風險管理方法和外部監管技術跟上國際金融風險管理的發展潮流。
  11. This paper also optimizes the support vector machine ( svm ) parameters and controller scale coefficients based on genetic algorithms ( ga ), in order to get the optimal performance of the controller

    利用遺傳演算法來優化支持向量機參數和控制器比例因子參數，以期實現最優的控制性能。
  12. Direct torque control using space vector modulation ( svm - dtc ) scheme is discussed and the detailed designed, including space vector choosing and modulating, to overcome the control difficulties coming with the characteristic of low inductance. comparing with the basic dtc, the simulation results confirm the feasibility and good performance of this strategy. in order to reduce the torque error in dynamic state resulted from the nonlinear relationship between the torque and torque angle, a proportional - plus - integral ( pi ) torque controller with variable proportion is presented to ensure exact and quick control of torque in dynamic state

    系統的闡述了永磁同步電機直接轉矩控制理論，分析了改進后的svm - dtc控制策略，並具體設計了控制技術的實現方案，包括參考矢量的生成和空間電壓矢量調制的方法；為減小電磁轉矩與轉矩角非線性關系這一因數給電機電磁轉矩動態調節造成的誤差，本文實現了變比例系數轉矩pi調節器的方案，確保了系統穩定性的同時，實現了電磁轉矩在動態過程中快速而準確調節。
  13. Parameters of fuzzy neural networks are rectified more quickly by maintaining the consistency of fifth layer weights in the fuzzy neural networks to proportional parameters in the nine - point five - state controller. at the same time, the weights of fifth layer are endowed real meaning. the simulation results prove that the controller has better effect and is easily rectified

    只需要把模糊神經網路第五層的權值與九點五態控制器的比例參數值保持一致，就能取得比較好的控制效果，因此，可以更加快捷地整定模糊神經網路的參數，同時賦予了第五層權值以實際的意義。
  14. It is feasible that injuries and deaths due to disasters and the ratio of economic loss due to disasters to the increment of social fortune can be decreased steadily through various disaster reduction operations, thus controlling the trend of geo - hazards

    通過採取各種減災行動，可以實現因災傷亡人數持續減少，災害損失相對社會財富增長的比例持續降低，從而實現控制地質災害增長的趨勢。
  15. Clients with primary or less and senior middle educational level compared with those with college or more educational level, the latter have higher odds, whereas the former have lower odds of previous condom use

    在控制了其他因素后，年輕、職業為商業和服務業職員或行政管理人員、離異或喪偶者以及調查前12個月中性伴人數較多者在調查前12個月使用過避孕套的比例較高。
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