detected fault 中文意思是什麼
detected fault
解釋
檢測到的故障-
With the deveiopment of hydraulic technology, hydraulic system and hydraulicequipment are more complicated, hydraulic technology is more widely and morecomp1icatedly used in agricultural machine and their malfunction is more difficu1t to bedetected. fault diagnosis of hydraulic system is not as apt to be observed as that of themechanical equipmeflt or is not as easy to be detected as that of electric equipmeflt bymu1tipurpose meter or other meters. flux meter gage and pressure gage ca n ' t meet the needof fault diagnosis for hydraulic system because its working medium and workingcomponents are hiding inside the sealed vessel
隨著液壓技術的發展，液壓系統及液壓設備越來越復雜，液壓技術在農機上的應用也變得廣泛而復雜，農機液壓系統的故障診斷也越來越困難，液壓系統的故障診斷不象機械設備那樣直觀，也不象電氣設備那樣通過萬用表等儀器測得，液壓系統的工作介質和工作部件都在密閉的容腔內，流量計、壓力表等測量儀器遠遠不能滿足故障診斷的需求。 -
A codebook - based event correlation approach is introduced. by considering detection and identification of abnormal events as coding problems, fault localization can be done efficiently and noises in event streams can be detected. at present, demands for fault management automation are very wide
本文引入代碼書（ codebook ）技術實現事件關聯，其基本思想是將檢測和標識系統中的異常事件看作編碼問題，具有運行速度快、能自動識別事件流中的噪音等優點。 -
Benefit from designer experience, expert system regulations are built by c language. through the inference, all fixed logic fault and most multi - line short circuit fault are detected by expert system. on that account, the design process built by c language will be a mode that can be imitated by other intelligent fault diagnosis system
對于專家系統智能故障診斷技術而言，構建專四川大學碩士學位論文家系統規則庫和設計推理機制是重點，本文採用c語言構建規則庫，然後通過精心設計的專家推理機，從而使得固定邏輯故障和大多數多線橋接故障能夠被專家診斷系統檢測出來。 -
By constructing filters dynamically to suppress influence of captured symptoms to fault detection, this technology can isolates new symptoms and thus the spectrum of symptoms detected are broadened and the accuracy with which symptoms are detected is increased
針對事件過濾階段的主要問題，提出動態癥狀隔離方法，通過動態構造過濾器抑制已捕獲癥狀對故障檢測的影響，隔離出新的癥狀，擴大檢測癥狀的范圍和提高準確率； 4 -
It mainly includes following aspects : in this paper, firstly implication of wavelet analysis in signal harmonic component extraction is presented in detail, and on this foundation signal given frequency band component extraction method is proposed. then we investigate frequency aliasing phenomenon, reason why frequency aliasing phenomenon is easy happened when wavelet is implied in field of motor fault diagnosis, and frequency bands where frequency aliasing phenomenon is easer happened, and put forward approved morlet wavelet analysis method which can effectively alleviates frequency aliasing phenomenon. third we set up vibration signal detected system, design experiments to obtain three groups of fault signals : eccentricity fault, mixed fault of eccentricity plus mild rub, mixed fault of eccentricity plus moderate rub, and process these data using analysis method proposed in this paper
首先對論文的選題以及相關背景進行了探討，並對相關的小波基礎理論進行了闡述，主要針對感應電動機的偏心故障和偏心+碰摩復合故障形式及相關的應用演算法進行了詳細探討，主要工作內容包括下面幾個方面:在論文中，首先對小波分析在信號的諧波分量提取中的應用進行了研究，在此基礎上，提出了信號的特定頻帶成分的提取方法;研究了小波分析的頻域混疊現象，探討了小波分析應用於電機故障診斷領域時易發生頻域混疊現象的原因，以及混疊現象較易發生的頻帶，提出了可以有效減輕頻域混疊現象的改進的morlet小波分析方法;搭建了振動信號檢測系統，設計實驗採集得到三組故障數據:偏心故障，偏心+輕微碰摩復合故障，偏心+中度碰摩復合故障，並對這些數據應用本文提出的分析方法進行信號處理，提取出的特徵參數可有效區分這兩種故障形式;研究了基於matlab和labview的混合編程方法，完成了電機故障檢測系統的軟體開發。 -
Focus on the characteristics of this radar, long - time effect and electromagnetic compatibility are emphasized. some hardware / software resolution to the electromagnetic interference is put forward and the tolerance deviation of the each detected point is different. the fault dictionary is made more reliable in reference to the previous repairing experience and the whole system is convenient for routine use
針對某雷達的特點，著重對長線效應和電磁兼容性進行了討論，並提出了對電磁干擾的硬體和軟體解決辦法，對各檢測點的容差提出了不同的要求，並參考以往的修理經驗，使字典更具可靠性。 -
Fault description ( reason ) : high voltage detected at intake manifold pressure sensor signal pin
故障描述（原因） ：檢測到進氣歧管壓力傳感器信號電壓值高。 -
In the condition of feedback sensor failure, the fault tolerant control is also deeply researched in this paper. when feedback sensor is in failure, the system could do the real - time estimation through the detected data of the fault sensors and feedback the signals, thus fault tolerance is achieved
文章深入研究了控制系統在反饋信號傳感器故障情況下的容錯控制問題，當反饋信號傳感器發生故障時，該系統可以對失效傳感器的檢測數據做出實時估計並反饋信號，從而達到對傳感器故障容錯的目的。 -
Abstract : at first, this paper analyces the open defect of cmos ram address decoder, it comes out that one type open defect cannot be detected by march test algorithm, and then we give the test method of this type undetectable fault and the design scheme with built - in tolerance against hard - to - detect open defects
文摘:對cmos存儲器中地址譯碼器的開路故障進行了分析和分類，得出了其中有一類開路故障不能用常用的測試演算法可靠的測試出，給出了測試該類開路故障的測試方法以及針對該類開路故障的容錯性設計方案。 -
This method uses wavelet transform to pick up the transient fault information because of its multi - resolution characteristics and time - frequency localization nature. fault line is detected based on the modulus maxima or energy comparison under some scale of wavelet transform of phase currents or component current. this method is applicable for such power system as only furnished with ct on two phases, so the shortcoming of other methods presented in recent years is overcome
即利用相應出線相電流或分量的暫態信息突變量在小波變換某一尺度下模極大值或能量比較來確定故障線路，該方法同樣適用於只裝設兩相ct的小電流接地系統，從而克服了迄今為止提出的一些選線方法在系統只裝設兩相ct時失效的問題。 -
Fault feature in stator current is extracted by singularity detection of signals with half - complex wavelet transform and it can be helpful to the real - time detection of motor fault. harmonics caused by the fault of motor is detected accurately with real - time harmonics cancellation method. steady state current and starting current in stator are analyzed with real - time harmonics cancellation method and the improved harmonic wavelet separately, after that the feature component of rotor fault can be detected successfully
採用半復小波變換對電機定子電流進行奇異性檢測，提取故障突變信號，有助於電機故障的實時診斷；通過實時諧波消去法檢測定子故障引起的高次諧波電流；採用改進的實時諧波消去法精確提取電機穩態電流中的轉子斷條故障特徵分量；為了進一步提高轉子斷條故障診斷精度，利用改進的諧波小波對電機起動電流進行時頻分析，提取轉子斷條故障特徵。 -
The research works are shown mainly as follows : 1 ) the actuality and outlook of on - line detecting and fault diagnosis technology of gases dissolved in oil are analysed deeply, and characteristics of insulation structure of power transformer, evaluation of operating reliability and the relationship between ordinary faults inside transformer and gases dissolved in transformer oil are studied too. analysing the purposes of detecting gases dissolved in transformer oil on - line, we can know that primary indexes to evaluate the technology of on - line detecting gases dissolved in transformer oil are reliability of system, accuracy of detected data, validity of diagnosis, automatization and price of systems
主要研究內容有： 1 ）深入分析變壓器油中多種溶解氣體在線監測及故障診斷技術研究現狀及應用前景，研究電力變壓器絕緣結構特性、運行可靠性評估以及變壓器內部常見故障與油中溶解氣體對應關系，通過對在線監測變壓器油中溶解氣體的目的分析得出系統運行的可靠性、監測數據的正確性、診斷的有效性、系統的自動化程度、系統的價格等是綜合評價變壓器油中溶解氣體在線監測技術的指標。 -
This model is used to generate residual signal by comparing the healthy signal and the signal in the running system. by processing the residual signal, faults from incipient fault to serious fault can be detected effectively
利用這個模型，通過比較無故障信號和系統實際產生的信號，產生一個殘差信號，並對殘差信號進行適當處理，就可以對系統從初始故障到嚴重故障，進行有效地監測。 -
If the fault is not detected in time, it would lead to many serious consequences
如果不及時將其發現，將導致各種嚴重的後果。 -
First, this paper introduces the conception of software test, testability, and some existent model used for analyzing testability. second, we analyze the merits and demerits of each model, as followed, after we particularly investigating the process of software fault leading to software failure, we put forward our improved scheme ? stdm and specify the process that it measure software testability more logically. at last, based on stdm we design and implement a stds ( software testability detecting system ), which can be used to measure the testability of c programs, and show the detected result in different level
本文首先介紹了軟體測試和可測試性的基本概念等用於檢測軟體可測試性的理論基礎，並詳細分析了一些理論檢測模型及各自的優缺點；接下來，針對這些可測試性檢測模型中所存在的問題，根據對軟體錯誤導致軟體失效過程的研究分析，本文提出了一種改進的解決方案stdm用於對軟體的可測試性進行量化檢測，文章在最後設計並實現了構建在此stdm模型基礎之上的一個軟體可測試性檢測工具，該工具能夠對c源程序進行可測試性檢測並得出量化結果數據，驗證了該模型的有效性。 -
Fault detection is to identif ~ ? a fault after they occurred. detected abnormalities are then filtered. subsequent fault localization is to determine the location of the fault
故障檢測階段的目的是在故障發生以後，盡可能地將其識別出來；檢測出的異常事件經過過濾，將進入故障定位處理；故障定位階段的目的是確定網路中故障的位置。 -
With the verification platform, the experiments of fault injection and fault detected algorithm validation are carried out in the prototype of electric controller. analytic results indicate that, the verification platform can do well in fault injection and result data treatment, and the electric controller bit attains the expected capability
應用驗證試驗平臺對具有bit功能的電子控制器原理樣機進行故障注入實驗和bit驗證實驗，結果表明，驗證試驗平臺能夠很好地完成故障注入和結果處理任務，電子控制器原理樣機的bit達到預期設計目標。 -
Furthermore, a fault accommodation method for a class of nonlinear system, which can be changed into output - feedback form, is proposed using a neural - network - based adaptive observer. the system faults can be detected through the residual generated by the proposed observer. the stability of closed - loop error system is guaranteed by lyapunov stability theory
針對該類系統，利用神經網路的一致逼近任意非線性連續函數的性質，構造神經網路自適應觀測器來獲取反映故障信息的殘差，採用lyapunov穩定性理論證明了誤差系統的穩定性。 -
The fault location principle that utilizes traveling wave is used in the small current grounding power systems firstly in my paper. using the powerful function of wavelet in the face of singular detection, the time that the wave crest arrives are detected and the fault location is realized. this paper provides a new approach for the research of equipment of the single phase grounding fault location and makes a significant step for the improvement of automation level in the distribution systems
本文將行波故障測距原理在小電流接地系統中進行了初步嘗試，利用小波變換對奇異性檢測的強大功能，檢測行波波頭的到達時刻，實現故障測距，為小電流接地系統單相故障測距裝置的研製開辟了新的途徑，為配電網自動化水平的提高邁出了重要的一步。 -
Squared prediction error ( spe ) of model is detected continuously, in case abnormity is found, currently data direction is calculated by pca method, and compared with fault character direction storeroom, thereby fault is diagnosed
不斷觀察模型的平方預測誤差（ spe ） ，一旦發現異常，利用主元分析方法，求出當前數據的特徵方向，並與故障特徵方向庫進行比較，從而診斷出故障來。
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