simulation fault 中文意思是什麼

simulation fault 解釋
錯誤模擬
  • simulation : n. 假裝;模擬;裝病,裝瘋;【生物學】擬態,擬色。
  • fault : n 1 過失,過錯;罪過,責任。2 缺點,缺陷,瑕疵。3 (獵狗的)失去嗅跡。4 【電學】故障,誤差;漏電...
  1. In power system full dynandc simulation software, the adndttance matrixes of fault branches are adopted in the fault models to simulate arbitrary symmetrical and unsymmetrical faults, by use of contraction technique for adndttance matrix the multi - faults and the randomly occurred faults can be processed. the feature of this method is that the arbitrary multi - fault occurred in a branch can be simulated without any additional branches or buses to be added, thereby, the ca1culation efficiency and the expedience of usage are improved

    本文提出採用故障支路導納陣處理復故障計算,該演算法可以對一條支路發生任意重故障進行處理,而不需要增加支路或節點,克服了目前常用的電力系統機電暫態程序在處理復故障時,一般要按照事先預想的故障類型以及故障和操作發生的位置增加新的節點和小開關支路的問題。
  2. Numerical simulation and development adjustment scheme design of ma - 2 fault block oil reservoir

    馬2斷塊油藏數值模擬及開發調整方案設計
  3. To the incertitude of fault diagnosis, the decision - making fusion based on evidence theory is put forward. the basic conception of evidence theory is introduced. with the simulation based on the example, we can know evidence theory fusion improved the fault diagnosis precision

    針對故障診斷中的不確定性,提出了基於d - s證據理論的決策融合,簡要介紹了d - s證據理論的基本概念,並結合算例進行了分析。
  4. Numerical simulation of the analysis of possibility of water inrush through fault

    斷層突水風險的數值模擬
  5. Through the research on the development character of overthrust fault, we analyzed its sealing mechanism. we also established evaluation standard and method of fault sealing ability through the following two simulation experiment : experiment on the quantitative relationship between property of fracture zone filler and fault sealing ability ; experiment on the deformation character of cream shale. based on these work, we evaluated sealing ability of overthrust faults on several typical structure in kuche depression

    本文通過逆掩斷層發育特徵研究,分析了逆掩斷層封閉機理,在斷裂帶填充物性質與斷層封閉性定量關系模擬實驗和膏泥巖變形特徵模擬實驗基礎上建立了斷層封閉性評價標準及評價方法,以此對庫車坳陷幾個典型構造上逆掩斷層垂向封閉性進行了評價,結果表明現今斷層多是封閉的,這是庫車塌陷天然氣和異常孔隙流體壓力得以保存的主要條件。
  6. We established geological and mathematic model for the relief of overthrust fault and earned out simulation computation after selecting factors. the result is that pressure can be released when fault is open. but ft will take a long time for the formation pressure to be relieved to normal formation pressure

    建立了逆掩斷層泄壓的地質模型和數學模型,選取參數后進行了模擬計算,結果表明逆掩斷層活動開啟釋放壓力,但要將地層壓力釋放到正常地層壓力需要時間較長,在斷裂活動時期不足以將圈閉中超壓釋放掉,這是庫車坳陷超壓能夠保存的另一主要原因。
  7. Procreant knowledge expression and forward inference engine are adopted in the method of fault diagnosis based on expert system theory. in the fault diagnosis applying neural network theory, six kinds of improved arithmetic of back - propagation arithmetic, including gradient descent with momentum, variable learning rate back - propagation, resilient back - propagation, quasi - newton, levenberg - marquardt and conjugate gradient, are applied to diagnose the faults of electric load manage center and solid state power controller. different diagnostic results gotten by simulation are compared at last

    在基於專家系統的故障診斷方法中,採用了產生式知識表達和正向推理機制;在基於神經網路的故障診斷方法中,則分別採用了bp神經網路的附加動量法、自適應學習速率、彈性bp演算法、擬牛頓法、共軛梯度法和levenberg - marquardt法對電氣負載管理中心和固態功率控制器的故障進行診斷,並對由模擬得到的不同診斷結果進行比較。
  8. Through the simulation of large - scale circuit simulation proved that use the crossover tearing technology could detailed network structure, simplify the diagnostic process, and the neural network can parallel deal with the diagnosis information, and the logic operation can judge the information of the multi - fault. the illustrative simulation shows that it can increase the diagnosis speed and decrease the workload before test

    通過對大規模模擬電路的模擬證明,使用交叉撕裂明細網路結構,簡化診斷過程,且運用神經網路組對信息進行并行處理,邏輯分析運算對多故障信息進行處理判斷,大大提高了故障診斷速度,減小了測前工作量。
  9. Transient simulation of tri - winding single phase motors with wye - connected during fault operation

    三繞組單相電動機故障運行瞬態過程模擬研究
  10. In the models, the iron core nonlinearly of the traction transformer and the magnetic hysteresis effect without the b - h curve are considered. having tested by digital simulation, the winding parameter has not changed in the state of external fault or magnetizing inrush etc. but the winding parameter has obviously changed in state of inter fault or inter - turn fault. ( 3 ) the rules three phases converted to two phases of traction transformer in electric railways are developed in this paper

    ( 3 )利用牽引變壓器磁鏈平衡方程,建立了基於系統辨識理論的雙繞組單相接線牽引變壓器、阻抗匹配平衡牽引變壓器及scott (斯科特)接線牽引變壓器的「灰箱」模型,該模型考慮了牽引變壓器鐵芯非線性和磁滯效應,但又不直接反映在模型中,並且無需鐵芯的b - h曲線數據。
  11. With the development of the network and the multi - processor system, the research, simulation and the impemeni of the system - level fault diagnosis which is the very important means to increase the reliability of the system, are becoming more and more important. on the system - leve1 fault diagnosis, based on the group theory of system - level fault diagnosis that has been put forward by pro f zhang, the paper constructs newly the theory bases, improves on the matrix method, reinforces and consummates group arithmetic of all kinds of test mode, for the first time, analyses and discusses the equation solution of all kinds of models, so al1 the consistent fault patterns ( cfp ) could be found, straightly and high efficiently, even if the sufficient and necessary condition of t - diagnosable is dissatisfied and the complexity of system - level fault diagnosis is greatly decreased, especialy in strong t - diagnosabl6 system. last the simulation system ' s function has been extended and the application hotspot and the development trend have been disscussed

    本人在張大方教授等人提出的基於集團的系統級故障診斷的理論基礎上,重新構建了系統級故障診斷的理論基礎,定義了系統級故障診斷測試模型的三值表示;改進了系統級故障診斷的矩陣方法,重新定義了測試矩陣、鄰接矩陣、結點對、結點對的相連運算、極大準集團和斜加矩陣,由此能直觀、簡便地生成集團和極大獨立點集;補充和完善了各類測試模型的系統級故障診斷的集團演算法,通過定義集團測試邊和絕對故障集,簡化了集團診斷圖,由此能較易地找到所有的相容故障模式,即使不滿足t -可診斷性,大大減少了系統級故障診斷的復雜度,尤其是對強t -可診斷系統;首次分析探討了各類測試模型的方程解決,由此從另一角度能系統地、高效率地求出所有的相容故障模式( cfp ) :擴充了系統級故障診斷模擬系統的功能,快速、直觀和隨機地模擬實驗運行環境,進行清晰和正確的診斷,同時提供大量的實驗數據用於理論研究,優化演算法和設計。
  12. To unerstand precursory process before seismic fault slip, this work focuses on earthquake nucleation process on a fault plane through numerical simulation

    摘要為了把握斷層上地震的前兆規律,對連續介質中斷層面上的地震成核過程進行了數值模擬研究。
  13. 3d numerical simulation of impact of key fault and fault enhancement on foundation rock mass of guangzhao high gravity dam

    光照重力壩壩基斷層影響及處理的三維數值模擬
  14. After analyzing the character of risk, i introduce data mining method into risk management, to solve the contradiction between great capacity of data and lack of information, the methods include mathematics statistics and artificial neural network ( ann ). then, i study on the methods of risk management in risk identification, risk evaluation and risk disposal, what is advanced, fault tree analysis method based on fuzzy probability, stochastic simulation method and the topsis method based on interval number all consider the characteristic of risk. finally, i discussed the application of information system ( mis ) in project risk management, and developed a risk management information system

    論文在深入分析了風險特徵之後,將數據挖掘技術引入風險管理,用以解決海量數據與貧乏信息之間的矛盾,所採用的技術有數理統計和人工神經網路( ann )兩種方法;接著,論文對風險識別、風險評價、風險處理中的風險管理方法進行了研究,所提出的基於模糊概率的故障樹技術、隨機模擬技術和基於區間數的topsis方法都體現了風險管理的特點;最後,論文對信息系統( mis )在工程項目風險管理中的應用進行了探討,開發出一個風險管理信息系統。
  15. The reasons and mechanism of how the feature information quality influences the bit performance are analyzed systematically. in order to analyze how the feature level influence the bit performance, the factors that induce the feature information quality are analyzed first, and the mechanisms of feature level influencing fa are investigated. the quantitative analysis and simulation results show feature irrelevancy to fault condition, feature redundancy and feature unmatched to fault classifier is the cause of false alarm

    本文的主要研究內容與結論如下: 1 .深入研究了機電系統bit特徵層導致虛警的原因和機理對特徵層的特徵信息質量包含的內容進行了分析,得到特徵與故障不匹配、特徵冗餘和特徵與決策器不匹配三種信息質量較差是特徵層導致機電系統bit虛警率高的主要原因。
  16. 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。
  17. The technique problems that have been solved are digital governor structure and principle emulating, control panel simulation, fault information stream analysis and spc - 33 digital governor speed control system simulation

    論文所解決的問題是:調速器介面、原理模擬;調速器控制面板模擬;電子調速器故障信息流分析;轉速控制系統模擬。
  18. The wavelet packet analysis applied in fault diagnosis system is studied in this thesis. using simulation fault data, uncalm and time difference vibration signal of sodium pump are decomposed on different levels and frequencies. to picked - up the eigenvectors reflecting different fault of sodium pump with availability, simulation results have shown its satisfaction in the identification

    對小波包分析應用於故障診斷進行了研究,利用模擬出來的故障數據,將快堆鈉泵非平穩時變振動信號分解到不同層次和不同頻帶上,有效地提取出反映鈉泵不同故障(狀態)的特徵向量,在識別中得到了滿意的結果。
  19. The result of protection simulation, fault report and event report is used to construct fact database. besides, in order to ensure correct analysis of protective action, the check for winding connector is designed in this paper

    然後,本文以虛擬保護結果和故障報告、事件報告為初始證據事實,採用層次式的模塊化結構,初步設計了基於面向對象的保護動作行為分析專家系統的主框架。
  20. We give the process building the application procedure, and explain the visual c + + language and the animation technique etc. lastly, we make a model to realize the fault analysis simulation, fault elimination simulation by using fault integration display system, and build the multimedia simulation model based on virtual reality technology

    接著介紹了應用程序planepower創建的過程及其中用到的vc + +語言、動畫實現技術等。最後,創建了一個應用程序,在其中實現故障分析模擬、利用故障綜合顯示系統排除故障的模擬以及基於虛擬現實技術的多媒體模擬模型的構建,並以應急電源為例,構建了其模擬模型的。
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