故障容差 的英文怎麼說

中文拼音 [gùzhàngróngchā]
故障容差 英文
fault tolerance
  • 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
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  • 故障 : hitch; breakdown; stoppage; fault; faulting; accident; blunder; bug; conk; failure; impairment; i...
  1. The mutual inductor of electric current and voltage mutual inductor play an important role in relay protection. prevent from ct differential to protect and miss movement an important subject that the generatrix is protected on the saturation, put forward two electric current pass zero hour linear to spread person who become put into differential to protect in ct in recent years, avoid ct saturation district, can judge the bus bar trouble correctly

    但是在母線區外發生短路故障（特別是故障電流含有大量非周期分量）時， ct會出現飽和現象， ct飽和后，不能正確地傳變一次側電流，從而使二次電流發生嚴重畸變，產生很大的差電流，這樣就容易引起誤動作。防止ct飽和時差動保護誤動作一直是母線保護的一個重要課題，近年來提出的在ct二次電流過零時的線性傳變區投入差動保護，避開ct飽和區，能對母線故障做出正確判斷。
  2. 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。
  3. The sensors " fault - detection and fault - torlerance algorithms are studied, so do the three variance - caculating methods for sensors " fault - detection, and the fault - tolerance algorithms of parallel connection system and 2 / 3 ( g ) vote system for hardware redundancy. all the derivation and realization processes of these algorithms are discussed in detail

    研究了傳感器的故障檢測和容錯演算法，論述了三種針對單個傳感器故障檢測的方差演算法，以及針對硬體冗餘的並聯和2 3 （ g ） （三取二）表決系統的容錯演算法，並詳細論述了上述演算法的推導及實現過程。
  4. Then i finish the analysis from three aspects, instruction of circuit, stress of surrounding, and tolerance, thus providing basis of design. the following designs are in progress from four aspects, which are circuit design, thermal design, derating using and screening. at last, i make the update generator in batch process, and collect and analyze reliability dates again

    首先進行了與可靠性相關的數據收集與分析，對故障模式進行統計；然後從電路結構、環境應力及容差三個方面進行可靠性分析，從而為關鍵的可靠性設計提供了依據；接下來的可靠性設計，從電路設計、熱設計、降額使用、篩選四個方面逐一解決了可靠性分析階段發現的問題；最後，我將改良的發生器批量生產，並從中重新收集了可靠性數據進行計算，事實證明改良后高頻無極燈的平均壽命已達到6萬小時。
  5. In this thesis the high voltage electric capacity equipment is adapted as on - line object of monitor and diagnose system. the system ' s structure of high voltage electric equipment is introduced, and the possible to each error occuring in high voltage capacity type equipments during the monitoring, analysis and judgment is given

    本文選擇變電站高壓電容型設備作為在線監測的對象，探討了高壓電氣設備在線監測系統的構成，在理論上分析了變電站小四器的絕緣特點，並對其在在線監測和故障診斷中可能出現的誤差進行了分析和判斷。
  6. According to the comparison result, the variance analysis will not be applicable when the allowance range has to be set flexibly according to specific operation requirements although it can achieve a high rate of fault detection. for example, when the allowance range of some particular component gets bigger, the variance analysis could not precisely define the new judgment boundary

    比較后發現，方差特徵分析法雖然可以達到很高的故障檢測率，但不適用於元件容差需根據具體要求靈活設定的情況，例如當具體情況中某個元件的容差范圍變大時，用方差分析法卻不能準確地定出新的判斷界限。
  7. After analyzed the defaults of the fault dictionary method, several techniques to enhance the capability of the d. c. fault dictionary are presented. these include 1 ) using monte carlo analysis to get the node voltage tolerance, 2 ) using bayesian decision theory to direct the fuzzy set dividing, 3 ) selecting nodes by the fuzzy sets, 4 ) using the fault tree to diagnose the circuit ' s fault with varied sum of nodes

    文中分析了字典法存在的問題，提出了改進方法，其中包括：用蒙特卡羅法求各節點電壓的容差域；用貝葉斯決策理論來指導模糊集劃分；以模糊集為特徵進行節點優選；依故障診斷樹進行變節點診斷。
  8. One is hard fault, which means the stuck - open fault and the bridge fault ; another is soft fault, which refers to the component parameters going beyond the preassumed perfomance range. usually, these faults do not lead to a total failure of equipments

    一類稱之為硬故障，指元件的開路和短路失效故障，另一類稱之為軟故障，指元件的參數超出預定的容差范圍，一般它們均未使設備完全失效。
  9. 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。
  10. The fault diagnosis of the analog circuits is an advanced synthesis intercrossed subj ect, which is an application technology absorbing the new theory, technology and method in other subjects and fields. in the past 40 years, it has developed a great deal of theory and approaches. but the approaches are limited to deal with fault diagnosis because of the variety and complexity of the analog circuits, especially the large - scale analog circuits with the tolerance or the soft fault. artificial neural networks ( ann ) which have been one of the most active research areas recently can be contributed to solve problems in various practical fields. in this paper, analog circuit fault diagnosis approach based on pattern recognition, and ann is expatiated

    模擬電路故障診斷是一門不斷發展中的綜合交叉性學科，是在不斷吸收其它學科和領域的新理論、新技術和新方法的基礎上向前發展的一門應用技術。雖然經過了四十多年的發展，也已經形成了一系列的診斷理論和方法，但由於模擬電路特別是有容差的大規模模擬電路故障的多樣性和復雜性，使得可用於診斷容差模擬電路的故障和大規模模擬電路軟故障的方法還十分有限。人工神經網路理論近年來取得了快速發展，已開始在各個研究領域廣泛應用。
  11. The establishment of gear fault data warehouse the paper studies several gear cases in drive lab of wuhan university of science and technology. the signal of normal gear pair, the one has been worn seriously, the one which has circular pitch error and the one whose pinion has a ruptured tooth is acquired independently. after fft transformation, the amplitude values of 0 - 0. 4 multiple engage frequency, 0. 4 - 0. 5 multiple engage frequency, 0. 5 - 1 multiple engage frequency, 1 multiple engage frequency, 2 multiple engage frequency, 3 multiple engage frequency, 4 multiple engage frequency and greater then 4 multiple engage frequency of every signal are obtained respectively

    論文主要完成下列內容: 1 .齒輪故障數據倉庫的建立以武漢科技大學傳動實驗室的若干臺齒輪箱為研究對象，分別採集正常齒輪副、磨損嚴重的齒輪副、有周節誤差的齒輪副和小齒輪有一個斷齒的齒輪副的振動加速度信號，經過fft變換，分別得到每個信號的0 ~ 0 . 4倍嚙合頻率、 0 . 4 ~ 0 . 5倍嚙合頻率、 0 . 5 ~ 1倍嚙合頻率、 1倍嚙合頻率、 2倍嚙合頻率、 3倍嚙合頻率、 4倍嚙合頻率和大於4倍嚙合頻率幅值。
  12. The paper mainly did the dissemination of error neural network ( bp ) research and gave recommendations on ways to improve bp algorithm. by using better diagnostic techniques with the neural networks legend, memory and reasoning functions and tolerant nature, robustness and good nonlinear, it can better realized the fault

    主要對誤差後向傳播神經網路（ bp ）進行研究，提出了改進的bp演算法，利用神經網路的聯想、記憶和推理功能以及容錯性、魯棒性和很好的非線性映射能力等特點，更好地實現故障診斷。
  13. And it is commonly regarded as fault - free when the comparative deviation of component parameters are within 5 % of the nominal value, while in practical operations the allowance range could be set flexibly according to different requirements for the circuit performance

    通常認為元件參數的相對偏差絕對值在標稱值的5 %范圍內為無故障，但實際上元件的容差是可以根據對電路性能的不同要求而靈活設定的。
  14. It elaborates the contents and requirements of the technique means of fault diagnosis and damage identification for structure, and the present research and application of damage identification for structure with vibration diagnosis technique ; based on the modal parameters, it discusses the theory and technique of the damage identification for structure with the flexibility difference method and curvature modal method, then present the idea of damage identification for structure with flexibility difference curvature method

    本文闡述了結構故障診斷的技術手段、結構損傷識別技術的內容與要求，應用振動診斷方法進行結構損傷識別的技術研究與應用現狀；論述了基於模態參數，用柔度差值法、曲率模態法進行結構損傷識別的理論與方法，進而提出了柔度差值曲率法進行結構損傷識別的思想與方法。
  15. The resulting optimized - frequency diagnosis algorithm, based on the second - order sensitivity, helps get a solution with better accuracy. when the tolerances of normal components are ignored and partly ignored, experiment results show that the accuracy of solutions, compared to the first - order sensitivity, is improved and is further improved via combining the improved genetic algorithm with the second - order sensitivity diagnosis method

    模擬實驗表明:在不考慮正常元件容差和考慮部分正常元件容差兩種情況下，和一階靈敏度故障診斷方法相比較，二階靈敏度故障診斷方法的精度得到了顯著的改善，並且改進遺傳演算法的引入能使故障診斷方程的求解精度獲得進一步的提高。
  16. The boom of modern naviation technology urgently requires its navigation system to be more accurate and more reliable. it is unpractical to meet both demands by any kind of navigation equipment separately. when the classical centralized kalman filter ( ckf ) is used in this kind of integration, there will be two disadvantages : firstly, there exists real time computation difficulty

    如果組合導航系統按照傳統的設計方法設計成維數龐大的集中式卡爾曼濾波器，則計算量將以維數的三次方劇增，給實時計算帶來困難；且容錯能力較差，一旦某一子系統出現故障，所有正常工作的子系統都會受到污染。
  17. Simulation results show that the above method is suitable for redundant robot kinematical planning before and after a failure. also, some new problems after free - swinging joint failures are pointed out. combined with the interesting topics in this field, these unsolved problems are discussed in this article

    結合冗餘度機器人容錯研究發展的一些方向，例如保證機器人末端軌跡上某些點不發生誤差等等，對本文所研究的內容進行了拓寬，對故障后機器人運動規劃所面臨的一些新問題進行了有益的探討。
  18. And to the electric capacity type voltage mutual inductor, because it compares with electromagnetic type voltage mutual inductor, transient state its bad to respond characteristic, as circuit when making the short circuit two times trouble, the voltage two times delays dropping to zero while needing to pass certain one

    而對于電容式電壓互感器，由於它與電磁式電壓互感器相比，其瞬態響應特性比較差，當線路故障而使二次短路時，二次電壓需經過一定的時延後才能下降到零。
  19. 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。
  20. This paper founded a fault diagnosis method using random signal norm. through extracting a number of feature norm and tolerance, we can carry out reliability test to the specific sample and category the faults

    通過大量樣本提取出信號的特徵范數和容差值后，便可對特定樣本進行可靠性檢驗，並對診斷得出的故障進行分類。
分享友人
分享到 Line

分享到臉書