故障點測定 的英文怎麼說

中文拼音 [gùzhàngdiǎncèdìng]
故障點測定 英文
fault localization
  • 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
  • 點 : Ⅰ名詞1 （液體的小滴） drop （of liquid） 2 （細小的痕跡） spot; dot; speck 3 （漢字的筆畫「、」）...
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 定 : Ⅰ形容詞1 （平靜; 穩定） calm; stable 2 （已經確定的; 不改變的） fixed; settled; established Ⅱ動詞...
  • 故障 : hitch; breakdown; stoppage; fault; faulting; accident; blunder; bug; conk; failure; impairment; i...
  • 測定 : determine; determination; setting-out; admeasurement; assignment; assay; finding
  1. Optical power meter real - time monitor optical power of each optical cable, and control computer gather the value of optical power attenuation circularly, if some values excess the limit, the computer control optical switch to connect another spare optical fiber with otdr card, control the otdr card to test the optical fiber, and then find the malfunction point accurately. the system require software system to run with hardware devices tother. this paper analyze requirement and technical feasibility in software system, ooa and uml are used to analyze software and abstract the class diagram

    通過光功率計對每條光纜中的備用光纖進行實時的監控，測試光功率的衰減值，主控計算機不斷循環的對每個光功率模塊進行數據採集，並記錄每路光信號的光功率衰減值，然後進行分析處理，如發現達到設定的光功率衰減門限值就報警，並控制光開關的切換，將故障光纜中的另一備用光纖與otdr卡連接，通過otdr卡對該光纖進行測試，從而確定故障點。
  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. This article in detail elaborates supply power and breakdown type and the test methed, how to scientifically grasp the different breakdown electric cable meter test profile analysis as well as the breakdown localization method, and introduces how to solve the problems appeared in the scene test

    摘要介紹了供用電企業中電纜的各種故障類型和故障測試方法，對不同故障電纜儀測試的波形進行了分析，闡述了電纜故障點的定位和現場測試中通過波形判斷故障的方法。
  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. Secondly, introducing the image analyzing technology with reference to the disadvantages of the traditional ferr - graph analysis technology, and with the combination of characteristic parameter optimizing filtration so as to raise a description method of debris micro - morphologic character. thirdly, with the application of mode recognition method, completing the process of debris auto - recognition based on the collected information of the debris configuration characteristics ; and conducting the diagnosis on the aero - engine wear faults according to the theory of particle tribology. fourthly, introducing information fusion technology to solve the problem that a single method can not collect enough fault premonitory information to conduct the wear fault diagnosis, hence to conduct the research and exploration in the field of comprehensive diagnosis on the aero - engine ' s multi - fault premonitory information

    本文的研究工作主要包括以下五個部分：首先，介紹航空發動機常見的磨損故障類型，研究磨損故障的失效機理，分析磨粒的產生機理、分類以及形態特徵：其次，針對傳統鐵譜分析技術的缺點，引入圖像分析技術，再結合特徵參數優化篩選，形成基於圖像的磨粒顯微形態學特徵描述方法：然後，基於提取到的磨粒形態特徵信息，應用模式識別方法完成磨粒自動識別，並根據顆粒摩擦學的基本原理進行航空發動機磨損故障的診斷與定位：再后，鑒于單一方法不能提取足夠的故障徵兆信息進行磨損故障診斷，本文引入信息融合技術，開展航空發動機多故障徵兆信息綜合診斷方法的研究與探索；最後，基於航空發動機滑油光譜分析與鐵譜分析數據，應用時序模型、灰色模型以及組合模型進行磨損故障的預測方法研究。
  6. The devices for detecting phase - to - ground fault in ineffectively grounded systems are seldom functionary at present. based on thousands of experiments in high - voltage laboratory in north china electric power university, the reasons for misjudgment and the effective measures to avoid it are presented in this paper : to change pt connection form to prevent from ill - effects of ferro - resonant overvoltage ; to increase soft measures to resist against interference ; to adopt neural network method to obtain the virtual value of the detect way

    依據上千次實驗，我們找到了一些導致選線誤判的影響因素，並提出幾點防止誤判的措施，包括改變pt接線方式，避免鐵磁諧振對選線的影響；通過對故障檢測方式的處理和使用連續判斷技術增強裝置的軟體抗干擾能力；嘗試採用神經網路演算法設定選線方法的有效域等。
  7. 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。
  8. Fault tolerant control is one kind new technique with the aim to enhance the system security and system reliability. ftc is basically depended on a great deal of online detection, parameter identification and model calculation. it can revise the system control rules when the fault occurred and then maintain the system operation according the original goal

    容錯控制是一種提高系統安全性和可靠性的新技術，容錯控制以大量的在線故障檢測、參數辨識和模型計算為基礎，在系統出現故障時，適時修正系統的控制率，使系統繼續維持既定的運行目標，具有適應能力強、可靠性高、功能強等特點。
  9. In this paper, the author provide some theory research results, as following : protocol testing contents ; protocol testing methods ; the application of " formal technology " in networking testing and so on. besides these, author research and develop the testing tool of " activetester ", which not only includes all functions of traditional testing tools, but also have the function of sending packages. it can send all types packages, for instance, mac packet, ip packet, icmp packet, igmp packet, arp packet and so on

    為了科學地進行主動性測試，作者對協議測試理論進行了必要的補充，提出了自己的觀點，如協議測試研究的內容、協議測試的方法、形式化技術在協議測試中的應用等；同時為了便於測試人員掌握、使用主動性測試技術，作者研發了報文發送、偵聽、分析工具? activetester ，它除了具備傳統網路工具（如， sniffer ）所具有的報文偵聽、流量統計分析功能外，增加了報文發送功能，可以發送mac數據幀、 ip報文、 icmp報文、 igmp報文、 arp報文等，在此基礎上還可測量網路整體的吞吐量，響應時間，故障定位，協議一致性測試等。
  10. Through statistic sampling and constructing the statistics with the comprehensive magnitude of spectrum, the alarm limit of comprehensive mal - functions can be determined in accordance with the 3 rule

    對實時監控系統採集、記錄的實測數據進行抽樣，用樣本譜線綜合幅值構造統計量，採用3規則確定了測點綜合故障報警限。
  11. The methods above have been simulated using emtp and matlab, and the simulation results indicate that, ( 1 ) in the fault location method based on wavelet reconstruction, the influences of reflected waves from tee joints or resistance discontinuities except the fault point can be eliminated when the current difference between faulty phase and sound phase is used in fault location

    本文利用emtp和matlab程序對上述方法進行了數值模擬，結果表明： （ 1 ）在本文所提出的基於小波重構的電纜故障測距方法中，利用健全相和故障相的電流差信號進行故障定位，能消除故障點之外其他阻抗不匹配點的反射波的影響。
  12. The main contributions of this dissertation are as follows : 1 ) forms a scheme of network maintance as well as realiztion of the problem testing software after a thorough analysis of the regular network problems and a pertinent comment on the merits and demerits of the network detection and maintainance methodology. 2 ) presents approaches to the realization of principles of network health testing, network resources list and connectivity testing in the network problem testing software, and gives a in - depth analysis of the key issues in design process with vivid flow charts and convincing testing results. 3 ) ponits out possible problems and offers feasible solutions in the migration and development of the embedded software from six aspects, touching upon byte order, semaphore, coding optimization, etc. 4 ) discusses the exception handling mechanisms and debugging process for the sake of improving software robustness

    本文的主要工作如下: 1 ）研究了以太網常見故障並對網路探測維護方式的優缺點進行了詳盡分析，根據項目要求確定了本系統的網路維護方案，並對故障測試軟體的總體實現方案進行了設計; 2 ）闡明了網路故障測試軟體中網路健康測試、網路資源列表、連通性測試的原理，提出了相應的實現方案，分析了設計過程中的關鍵問題，並給出軟體流程圖和測試結果; 3 ）從位元組序、信號量、代碼優化等六個方面談論了嵌入式軟體在移植開發中的注意事項; 4 ）為提高軟體的健壯性，討論了本嵌入式系統軟體採用的異常處理機制以及軟體調試過程中的。
  13. There are 18 teco service stations around taiwan, we provide you with the maintenance support as well as return service. if the machine is impaired, you can contact the local service center, we will offer the delivery and change service within 24 hours

    可利用東元全省18個維護點，進行檢測與換貨取貨故若發生故障，您可以在簡單判定是否真的故障后，聯系您所在地區的維修點， 24小時完成送修換貨。
  14. The contents are using fault locating algorithm based on measurement impedance to determine a fault zone of transmission line, then use wavelet transform fault locating algorithm based on current traveling wave to fix the fault position. in order to ensure both results are valid, gps is used to synchronize their hardware. 2

    其主要內容是：利用所記錄的工頻故障信息和阻抗法粗略計算故障位置，再利用所記錄的暫態行波電流精確定位故障點，二者通過gps時間同步單元進行時間同步，從根本上解決輸電線路故障測距問題。
  15. Based on the investigation of analysis methods for the overvoltage striking on rotating electric machines and its research status at home and abroad, the safety forecast theory and the analysis method for the switching overvoltage of large power stations are firstly presented based on the field - circuit analysis, and the transient field distribution and the insulation condition in the stator winding insulator stricken by the switching overvoltage in large power stations are studied and analyzed on line

    本文在分析和總結國內外關于旋轉電機過電壓分析方法及其研究現狀的基礎上，首次提出了基於場路結合的廠站操作過電壓安全預測理論和分析方法。本文研究了大型電站中的操作過電壓沖擊波在發電機定子繞組絕緣介質中暫態電場的實時分佈狀態，在線分析發電機的絕緣工作狀況，搜索發電機內部可能突發絕緣事故的區域，預測發電機內部可能發生絕緣事故的故障點，並重點研究了大型發電機絕緣安全在線預測分析方法和建立了大型發電機絕緣安全評估模型。
  16. In the method zero sequence voltage is discussed and new principle for automatic fault location and isolation based on the zero sequence voltage is presented in this paper

    該方法以饋線電壓變化量為故障點定位的主要判據進行故障點自動監測與定位，並迅速隔離故障區段，恢復正常區段的供電。
  17. The test vector set of the circuit can be obtained through constructing a test bdd. compared with the traditional algorithms, this method avoids enormous backtracking process. the second application is the network reliability based on bdd

    Bdd應用於數字電路的固定型故障檢測，建立的故障節點的檢測bdd可以比較方便地得出電路故障的測試矢量，相比傳統的測試演算法，避免了龐大的反向回溯過程。
  18. This machine use japanese mitsubishi touching screen, is very precise, fast switching and stable. it also has function of auto - alarm and auto fault detect

    採用日本三菱觸摸屏電腦，具有性能精確、切換速度快、穩定性強等優點，並具備自動報警、自動故障檢測、判斷功能。
  19. A distinguishable faults test generation method for digital circuits is presented. the features of basic gate circuits and neural networks are used to establish the test model, and to generate the test patterns for given faults. the fault model and constrained circuit are studied. some strategies, e. g, the reduction of the size of neural network, are proposed in order to accelerate test generation process. the experimental results demonstrate that the algorithm proposed in the paper is effective

    研究一種基於人工神經網路的能區分故障的數字電路測試生成方法，該方法利用電路基本邏輯門的特性和神經網路模型的特點，首先建立測試生成的神經網路模型，然後通過求解網路能量函數的最小值點獲得給定類型故障的測試矢量，其研究結果在可區分故障的測試生成方面提供了一種可能的新途徑
  20. In the system, control unit accomplishes back - emf zero - crossing information reading and closed loop commutation. the system eliminates the pwm interferences and the commutating interferences by filtering with software algorithm. in order to make the bldc commutate exactly, the method of three - point estimation is used for phase locking in the system. the system also accomplishes several important objects, such as tmppt of photovoltaic arrays, unmanned supervision of the system, fault detection etc. the results of the experiment show that the device, which is made on the base of the principle above, can control the motor to complete the exact commutation

    系統以motorola單片機jl3為核心，完成了系統外圍硬體電路和控制軟體設計，實現了直流無刷電機反電勢過零檢測，利用軟體濾波的方式消除了pwm波干擾及換相干擾；採用三點預估演算法，進行相位鎖定，以完成直流無刷電機準確換相；同時實現了光伏陣列工作點的tmppt跟蹤、系統無人監控和故障檢測等功能。
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