故障模擬演算法 的英文怎麼說

中文拼音 [gùzhàngmónǐyǎnsuànfǎ]
故障模擬演算法 英文
fault simulation algorithm
  • 故 : Ⅰ名詞1 （事故） event; incident; happening; accident 2 （原因） cause; reason 3 （朋友; 友情） fr...
  • 障 : Ⅰ動詞（阻隔; 遮擋） block; hinder; obstruct Ⅱ名詞（遮擋物） barrier; block; obstacle
  • 模 : 模名詞1. （模子） mould; pattern; matrix 2. （姓氏） a surname
  • 擬 : 動詞1. （設計; 起草） draw up; draft 2. （打算; 想要） intend; plan 3. （模仿） imitate
  • 演 : 動詞1 （演變; 演化） develop; evolve 2 （發揮） deduce; elaborate 3 （依照程式練習或計算） drill;...
  • 算 : Ⅰ動詞1 （計算數目） calculate; reckon; compute; figure 2 （計算進去） include; count 3 （謀劃;計...
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  • 故障 : hitch; breakdown; stoppage; fault; faulting; accident; blunder; bug; conk; failure; impairment; i...
  • 模擬 : imitate; simulate; analog; analogy; imitation; simulation模擬艙 boilerplate; 模擬電路 [電學] circ...
  1. 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。
  2. Fault location techniques are used to pinpoint location of the fault on a tra - nsmission line. transmission line faults must be located accurately to allow maintena - nce crew to arrive at the scene and repair the faulted section as soon as possible, which can relief the burdens of patrol personnel and reduce the revenue losses due to power outage. the accurate fault location alogrithms play an important role in power system safety, economy and reliability. in this paper, diversified fault location algorithms are summarized. according to the principles of algorithms, they can be classified into two categories : impedence based algorithm and traveling wave based algorithm. based on the analysis and comparission of each algorithm, the corresponding merits and app - lication limitations are presented

    精確的故障定位為現場巡線工作人員及時提供準確、可靠的信息，減輕人工巡線的負擔，同時加快線路的恢復供電，減少因停電造成的綜合經濟損失，為提高電力系統運行的安全性、經濟性和可靠性發揮重要的作用。本文總結了現有的各種測距方法，根據測距的原理將其分為阻抗法和行波法兩大類，對各種演算法的優缺點及適用范圍進行了分析，在此基礎上提出了一種組合的測距方案，並對演算法進行了模擬分析。
  3. Applying the classical pattern recogtiition theory anci ftiflcial neural networks method, this paper proposes the analog fault diahoes priricip1s with backward - propagation neural network ( i3pnn ) arid self - or ~ anizing feature map ( sofm ) neural network algorithm implementation

    本文提出了模擬電路故障診斷前向多層誤差反傳（ bp ）網路和自組織特徵映射（ sofm ）網路的演算法實現方法。
  4. 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。
  5. A united stimulation acquisition algorithm was designed for detecting the faulty circuits under automatic test equipment in order to decrease the test cost

    設計了適合自動測試系統進行模擬電路參數故障檢測的聯合激勵方式提取演算法以降低測試成本。
  6. On the base of thorough analysis of fault characters, the petri net model is introduced and changed into fault petri net ( fpn ) that can be used to settle some critical problems such as complicated faults, degradation competition and one cause with multiple consequence according to the characters of fault evolvement and spreading. in order to predicate the remained life of particular machine under special working conditions, an algorithm was also providcd to analyse the timely characters of the fpn. it is demonstrated that the method provided in this paper can simulate the dynamic evolvement process more appropriate than tranditional methods such as fault tree analysis ( fta ) and can predicate the remained life of the particular machine under special working conditions

    為此，深入分析了機械設備的故障特性，把以描述離散事件動態系統見長的petri網分析技術引入到機械設備剩餘壽命預測領域，並根據故障的演變和傳播特點，將petri網加以改造，提出適用於對機械設備復合故障動態演變歷程進行模擬的「故障petri網」 ，解決了「並發故障」 、 「劣化競爭」和「一因多果」等問題，並給出故障petri網的時間特性分析演算法，用於單機具體工況下的剩餘壽命預測。
  7. The main job of this research is : ( 1 ) analyze the operation situation of power system during faults ; pay attention to the traveling wave on the three - phase transmission line ; study the equation of voltage on three - phase transmission line with impedance capacitance coupling between phases ; contact the voltage on any point with the fault voltage, study the singularity of the voltage signal in fault point, and make it to be the base of the new fault detection method ; ( 2 ) apply the singularity detection theory based on wavelet analysis to the power system faults detection, give a complementary criterion to current fault detection criterion, study how to select the basic wavelet, how to filter noise, how to detect the singular point or fault point, and finally give a total solution. the simulations prove it to be a quick, correct and effective fault detection method

    本文的主要工作有： （ 1 ）分析電力系統在發生故障時的運行狀態，尤其對三相傳輸線上的故障行波進行了分析和研究，推導了考慮相間耦合的三相傳輸線電壓方程，並將傳輸線上任一點的電壓與故障點電壓建立起聯系，得出了傳輸線上電壓信號在故障點處的奇異性，並以此作為構造新的故障檢測演算法的理論基礎； （ 2 ）將基於小波變換的信號奇異性檢測理論運用於電力系統故障檢測中，針對目前相關研究的不足，提出了電力系統故障檢測判據的補充判據，通過對基本小波的選擇、除噪措施、信號奇異點也即故障點的檢測方法所作的分析，給出了一個可行的解決方案；模擬研究表明：這是一個快速、準確、有效的故障檢測演算法。
  8. The supervised and unsupervised learning diagnosis methods are discussed and several improvements have been presented in the learning algorithms. the simulation results show that the proposed method can perforfti correct diagtioals iii the linear analog circuits with tolerances

    本文對模擬故障診斷的有監督學習和無監督學習方法分別進行了研究，通過對實現過程的分析，對經典的學習演算法進行深入研究，並提出若干改進。
  9. Based on the " research on the new method for rotating machine faults diagnosis based on independent component analysis " ( national nature science fund project, no : 50205025 ) and " study on the new method of corba - based distributed calculation tactics construction in remote condition monitoring and diagnosis " ( zhejiang province nature science fund project, no : 501061 ), this paper aimed to the rotating machinery faults diagnosis oriented time - frequency analysis. the emd - based basic theories and methods were studied ; to weaken the emd method ' s end effect, some new data extention means were proposed ; to improve the emd method ' s precision and efficiency, some new algorithms were proposed ; the emd based time - frequency analysis software was designed and developed ; a experiment system at the base of rotor test bed was built to study the ro tor faults diagnosis using the new time - frequency analysis method, then studed several typical faults

    本文結合「基於獨立分量分析的旋轉機械故障診斷新方法的研究」國家自然科學基金項目（ 50205025 ）和「基於corba分佈計算策略構建遠程監診的新方法研究」省自然科學基金項目（ 501061 ） ，以面向大型旋轉機械故障診斷的時頻分析為目標，研究了該方法的基本原理和演算法：針對其端點效應等不足，提出了新的數據延拓技術；針對emd演算法的精度和速度上的不足，提出了新的改進演算法；設計和開發了基於emd時頻分析的軟體系統；以模擬轉子實驗臺為基礎構建了實驗系統，並進行了實驗研究。
  10. In the paper, based on the existing literature research foundation an analog circuit catastrophic fault location approach by using feedforward networks with back ? propagation learning is realized. by this approach, the simulation require ments before test are reduced because fewer training samples are needed, and the fault location process is fast. this method is very efficient in location of single hard fault wit component tolerances. the measureme nt space feature and the general characterization concept of single and double soft fault in linear circuits are presented. according to this concept, a linear circuits soft fault location approach using subhidden layer bpnn is established with element tolerance, and it is shown that this approach is successful in fault location. a double fault feature extraction.,

    本文在現有文獻理論研究的基礎上實現了採用bp演算法前向多層神經網路對直流測試下模擬電路硬故障的診斷方法。其特點是採用少量典型特徵樣本作為bp網路的訓練樣本，獲得訓練樣本的代價小，減少了測前工作量，同時診斷速度快，在考慮元件容差時仍有好的診斷效果。文中介紹了線性電路單一軟故障和雙軟故障所具有的電壓增量空間特性和統一特徵概念。
  11. The results of simulation show that the two algorithms are dependable and high precision, almost without any alteration when fault type, transition resistance and system parameter change

    模擬結果表明，本文提出的兩種雙端故障測距新演算法具有可靠性高、測距精度高的特點，完全不受故障類型、過渡電阻和系統參數的影響。
  12. The former combines enumeration and sample technique and is easy to implement, but only definite failure modes are simulated, which may be inaccuracy with bulk power system in which high order failures and protection failures are the main cause to instability

    基於蒙特卡羅抽樣的概率穩定模擬演算法可以考慮電力系統的高重隨機故障，並考慮故障間的相關性。模擬法可以模擬多重、連鎖故障對系統暫態穩定性能的影響。
  13. Using the non - sequential monte - carlo simulation, this paper also researches the effect on probabilistic stability of system containing upfc under random faults

    此外，本文還通過採用非序貫蒙特卡羅模擬演算法，研究了upfc 、 tcsc在隨機故障下對系統概率穩定性的影響。
  14. In this paper an fault simulator for iddt testing is presented, which can detect concurrently the multi - faults. due to the subtle error among equipment manufacturing, the gate delays of circuits are not the same but range within limits. which induces the uncertainty of the waveform transforming time

    本文從故障激活的條件入手，利用五值邏輯，對瞬態電流測試中的延時變化進行波形分析和波形計算，採用並發模擬演算法，編程實現了一個iddt測試的故障模擬器。實際電路中由於製造工藝的限制，邏輯門的延時並不相同，而是在一定范圍內變化，引起波形變化的時間不確定。
  15. The fault diagnosis based on wavelet transform ( wt ) is studied. according to the theory of the signal singularity detection based on wt, a fault diagnosis method based the b - spiine wavelet is given, and the good result is obtained in the simulation experiment

    基於小波變換的故障診斷?根據小波變換的信號奇異性檢測理論，給出了一種基於b樣條小波的故障診斷演算法，並對其進行了計算機模擬，結果表明該方法正確有效。
  16. An example of faults diagnosis in a complicated electromechanical system - horomill is cited ; and according to its concrete features, this thesis covers the measuring and the collection of fault feature information, the composition of the software and the hardware of faults diagnosis system, and the collection of sample books. the author takes the algorithm of faults diagnosis of artificial neural networks to emulate the faults diagnosis of the horomill system. th e thesis proves the feasibility and the superiority of faults diagnosis of the artificial neural networks - based electromechanical system

    以輥碾磨這一復雜機電系統的故障診斷為實例，針對輥碾磨的具體特點，研究了故障特徵信息的檢測與提取、故障診斷系統軟體和硬體的構成以及學習樣本的選擇方法，並利用人工神經網路的故障診斷演算法對該系統的故障診斷進行模擬，證明了基於人工神經網路對機電系統故障診斷的可行性和優越性。
  17. Base on the existing synchronous sequential circuits fault simulator - hope, the test vector generation method of sequential circuits based on ant algorithm is systematically researched firstly

    本文在同步時序電路故障模擬器? hope的基礎上，率先對基於螞蟻演算法的時序電路測試矢量生成方法作了系統的開拓性研究。
  18. This particle gives out some detection method, mainly about creation algorithm of detection vector and checking up the fault - cover rate of detection vector by the way of fault simulation. creation algorithm of detection vector contains : pseudo - exhaustive testing, d algorithm, fault dictionary algorithm

    本文針對電子線路在使用過程中發生的故障，提出了幾種測試方法，主要講述測試向量的生成演算法及使用故障模擬的方法來檢測測試矢量在故障檢測過程中的故障覆蓋程度。
  19. Since that the choosing line hardware for the neutral ungrounded system has just passed part of the dynamic simulative test, matlab software was chosen to do a lot of simulative tests on single phase - to - grounding fault. and the simulative sampling ratio is almost the same as the hardware ' s. because there is a low wave filter in the hardware, i choose the db15 wave - let to carry out the multidimensional decomposition on the sample by the method of one dimension discrete wavelet in order to obtain low frequency signal including the high frequency transient information on single phase - to - grounding fault

    鑒于實驗室已有的小電流接地系統選線硬體的研製只通過了實驗室里的動模試驗，故選用matlab軟體對小電流接地系統進行大量的單相接地故障模擬試驗，模擬的采樣率和硬體基本一致，由於硬體中帶有低通濾波器，故在進行采樣數據的morlet小波分析時先採用db15小波對采樣進行一維離散小波的多尺度分解，使得分解得到的低頻信號剛好包括了小電流接地系統單相接地故障時的暫態高頻信息，然後對這一信息再繼續進行小波演算法分析，分析結論表明利用變換后的實部、虛部和模值能夠較準確的實現單相接地故障時的故障選線和暫態高頻分量的提取。
  20. This paper also have a research on bp and hopfield network, by using the nn, it provide a mechanism to deal with the diagnosis equations. the stability, astringency and the feasibility of this method can be strictly proved. the simulation results shows that the proposed methods can perform correct diagnosis in a very short time

    隨后著重研究了bp神經網路與hopfield神經網路模型，並利用其故障診斷機理及特性提出了兩種解故障診斷方程組的神經網路方法，其穩定性、收斂性和可行性都能夠得到嚴格的證明，最後給出了模擬演算法步驟及診斷實例，實驗結果表明該方法對容差模擬電路的故障診斷有很好的改進。
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