故障手析 的英文怎麼說
中文拼音 [gùzhàngshǒuxī]
故障手析
英文
fault tree analysis- 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
- 手 : Ⅰ名詞1 (人體上肢前端能拿東西的部分) hand 2 (擅長某種技能的人或做某種事的人) a person doing or...
- 析 : Ⅰ動詞1. (分開; 散開) divide; separate 2. (分析) analyse; dissect; resolve Ⅱ名詞(姓氏) a surname
- 故障 : hitch; breakdown; stoppage; fault; faulting; accident; blunder; bug; conk; failure; impairment; i...
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New designed auto tracing arc eliminating device based on this technique contents more technology, which has sample circuit, wide tuning scope, quick response and low noise. this paper firstly introduces neutral grounding histroy. by analyzing the syntony grounding theory, the transient and stable process of one - phase grounding fault, the threaten to secure run of power system and the importance of exact compensation for capacitive current are cognized
論文中首先介紹了中性點接地方式的發展過程,通過對諧振接地原理和單相接地故障的暫態、穩態分析,認識到接地故障對系統安全運行的危害,通過消弧線圈對接地電容電流的迅速準確補償是減小故障危害的最主要手段。Because the monitoring of electricity equipment is still in the condition of traditional prophylactic test ( monitoring off line ), wordage list and management method of handwork operation, to strengthen the real - time monitoring of the operation state of electricity equipment ( monitoring on line ), find out the anomaly of equipment, monitor and analysis the fault, then take a corresponding measures to lower the fault loss so that we can make the transition between the regulations of periodic repairing equipment and the regulations of reasonable state repair, is the work which the department of power supply and operation make much of
針對對現有電氣設備的監測大都還處于傳統的預防性試驗(離線監測) 、文字報表、手工操作的管理方式的現狀,加強對電力設備的運行狀態進行實時的監測(在線監測) ,及時發現設備的異常徵兆、對故障進行診斷分析,並採取相應措施,把故障損失降低到最低水平,進而將目前實行的設備定期檢修制過渡到更為合理的狀態檢修制,一直是供電和運行部門十分重視的工作。Based on the count of failure in the samplers, this paper analyzes the weak link of the quality of domestic automobile products. with the help of mathematical statistics and automobile reliability theory, we get the failure law of bus, truck and car of the domestic automobile industry and their failure distribution function, reliability function, probability density function, and failure rate function. accordingly, the present situation of reliability in domestic automobile products is expounded
本文通過對樣車的故障進行統計,分析了我國汽車產品質量的薄弱環節,並藉助數理統計手段和汽車可靠性理論,得出了國產客車、載貨汽車以及轎車的故障規律和相應的故障分佈函數、可靠度函數、故障密度函數及故障率函數,論述了國產汽車產品的可靠性現狀。A lot of papers about the report of probabilistic risk assessment of daya bay npp and system manuals has been read by the author and let as the basis. in this paper, based on the reliability analysis methods of failure mode and effect analysis and failure tree analysis, according to the result of event tree analysis of probabilistic risk assessment report of daya bay npp, the top events of the fault trees of reactor protection system and the success criteria were established. by using risk - spectrum procedure, the unavailability and the minimal cut - sets ( mcs ) of the fault trees were obtained
本文在閱讀了大量的大亞灣核電站pra報告和各種系統手冊等資料的基礎上,採用fmea (故障模式和影響分析)和fta (故障樹分析)可靠性分析方法,依據大亞灣核電站pra事件樹分析的結果,建立了以緊急停堆失效和專設安全設施驅動失效為頂事件的故障樹,利用risk - spectrum程序,對所建的故障樹進行定量分析,計算,得到系統故障樹的失效概率和最小割集,從而為大亞灣核電站可視化風險分析軟體提供數據支持。By analyzing the reason of producing scratches, the fault model of the canopy glass is set up, and the fault - forecasting method for the scratch on the surface of
從劃傷的產生原因著手進行分析,建立了座艙玻璃劃傷故障模型,提出了座艙玻璃表面劃傷故障預制方法。To ensure safe and reliable operation. however, as unscheduled machine downtime can upset deadline and cause heavy fmacial losses, improvements were sought in the field of fault diagnosis. in 1970 ' s a new technology of electrical machines " fault diagnosis - condition monitoring has arisen. the technology could judge and diagnose the faults by advanced technology and analysis instrument when the machine is on - line
70年代興起的設備故障診斷技術是一門新技術,它能實現設備在帶負載運行、不停機的情況下,通過使用先進的技術手段對設備狀態參數監測和分析,判斷設備是否存在異常或故障,故障的部位和原因以及故障的劣化趨勢,以確定合理的檢修時間和方案。Assisted with the sensitivity of the linear analog circuits, the feasibility of parametric faults detection was analyzed through the maximum fault errors acquired at the sensitive frequencies, a stimulation matrix and its stimulation expression were put forward on the test points information
摘要從線性模擬電路靈敏度的概念入手,分析了通過獲取敏感頻點激勵下的最大故障誤差來檢測電路參數故障的可能性,提出了一種針對測試頻率和測點信息的激勵矩陣。The technology status of fault diagnosis technology of civil aeroengine is analyzed firstly, technical route of realizing remote diagnosis of civil aeroengine is presented, technical thought of existing diagnosis devices and methods to realize network are discussed, and key technical problems to be solved are pointed out
分析了民航發動機故障診斷的技術現狀,提出民航發動機實現遠程故障診斷的技術路線,探討了現有診斷設備和診斷手段實現網路化的技術思路,並且指出了需要解決的關鍵技術問題。From wavelet analysis, the fault feature of high speed wire rod processer in the heavy section mill of wisco is successfully extracted and from this effective method the same kind accident can be avoided and the fault situation can be confirmed for the future
成功的通過小波分析提取出武鋼大型廠高速線材軋機齒輪箱輸出接手螺栓拉斷故障特徵,捕捉到故障信息,為今後判斷、預防同類事故及事後確定故障部位提供了有效的分析手段。Vibration signal processing techniques are sought in this dissertation. so the test rigs of the gear and the rolling element bearing are built. and different types of the faults are simulated individually in the gear and the rolling element bearing
實驗分析結果表明,該方法對齒輪的表面局部損傷故障的早期診斷和斷齒故障早期診斷十分有效,可以準確地辨別出有故障齒的位置,為齒輪故障診斷提供了一種有效手段。In the dependability improvement process, we used many kinds of methods, such as dependability improvement analysis, dependability forecast, fault modeling effect analysis, dependability qualification test etc. it verified the evident improvement in the jyl - 6 weather radar ? dependability. the point estimate value is improved from 77. 7 hours to 432. 4 hours and the mtbf value reaches 144 hours. in our country, it is the first time that the airborne radar ? dependability criteria exceed 100 hours
在可靠性增長過程中通過可靠性增長方法分析、可靠性預計、故障模式、影響分析及可靠性鑒定試驗驗證等手段證實可靠性增長后, jyl - 6氣象雷達可靠性指標點估計值由77 . 7小時提高到432 . 4小時, mtbf置信下限達到144小時,在國內實現了機載雷達可靠性指標首次突破100小時。Aeroengine is the most important part of plane, it ' s structure is most complex, it require the highest precision and reliability, at the same time, the requirement on performance is strictest because of the worst work condition, engine condition monitor is the important measure to examine the engine performance, through the measure, we can do the performance adjustment and failure analyses to engine to improve quality of engine
航空發動機是飛機的重要組成部分,其結構復雜,精度和可靠性要求很高,同時其工作環境極其惡劣,容易受到各種干擾,因此對其性能要求非常嚴格。狀態監測是發動機性能的重要檢測手段,通過狀態監測和試車工作可以對發動機進行性能調整、磨合運轉和故障分析,最終達到提高發動機質量的目的。Utilities spends significant amounts of money on insulator washing and cleaning before the restoration of the service. laboratory studies and industrial experience have shown that both contamination and wetting of insulator surfaces, which initiate the flow of leakage current, are required for insulator flashover. the leakage current leading to flashover has distinctive stages of development
人們在詳盡的理論分析和大量的高壓實驗后,發現絕緣子泄漏電流的變化與其污穢及受潮程度有著密切的關系,綜合反映了污閃的發生過程,因此泄漏電流檢測是診斷線路絕緣子早期故障的一種有效手段。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。Overheating fault is the trickest in all usual faults of three - phase induction motor. the article analysed the cause on overheating fault hum five aspects, and expounded repaired ways
摘要在三相異步電動機經常出現的各種故障中, 「過熱故障」最為棘手。本文著重從五個方面分析了產生過熱故障的原因,並闡述了修復方法。Then on the basis of the integrated monitoring system, we build the engine room information intelligent system that is based on the diagnosis knowledge, centered with integrated intelligence, and by the way of aided decision, the system provides the functions of fault auto - detection, aided diagnosis, trend prediction and etc. the fruit of research has general meaning to the whole marine information intelligent system. zhang jin ( power electric and electronic drive ) directed by prof. li hailianq and prof. tang tianhao
本文將基於模糊技術、專家系統和人工神經網路的智能集成方法應用於復雜系統的故障診斷和預測分析,進而在自動集中監測系統的基礎上,建立了以集成智能為核心,以診斷知識為根本,以輔助決策為手段的具有故障自動發現、輔助診斷、趨勢預報等功能的船舶機艙信息管理系統。It can also determine the fault spot and reason. this technology has been used in some technological fields and proved efficient. it has promoted the revolution of maintance system and the historial protection is replaced by preventive maintenance. with this technology, we can improve the reliability of machine and decrease the maintance fee. recently, reserch has pick up a fervent pace in the area of fault diagnosis of electrical machines. the paper simply analyzes the fault reason of electrical machines, stressly describes and explores the methods of condition monitoring and fault diagnosis such as partial discharge, stator current, rotating speed, vibration etc. fault prognosis is now include diagnostic feature, reason, spot. prodigious improvement in signal processing hardware and software has made this possible. primarily, these techniques depend on locating specific harmonic components of the fault. these harmonic components are usually diffirent for diffirent types of faults. automated tools such as fuzzy logic based system is also simply presented in the paper
本文從絕緣結構的故障機理入手,以絕緣結構故障的典型特徵? ?局部放電為研究對象,重點討論局部放電的在線監測方法、適用場合併比較它們的優缺點;在分析籠型異步電機轉子斷條在線監測的定子電流監測方法后,根據其缺陷,本文探討了溫升不平衡法、希爾伯特變換數字濾波、小波包分析法的原理及優點;以電機軸承、氣隙偏心等故障為研究對象,通過對電機振動和轉速頻率的檢測,診斷電機的故障類型;本文的重點工作是將人工智慧技術中的模糊技術應用於電機的狀態監測和故障診斷中,力求使電機故障診斷更接近人工智慧化;最後,本文對電機狀態監測和故障診斷系統進行了硬體和軟體初步設計,為實現預測維修提供了有效的技術手段。Presents starting link and system organization of fan ’ s inspects status and fault diagnosis. the system collects data through data acquisition system, inspects fan ’ s status with monitoring soft, establishes routine and fault data bases, and calls routine analysis daughter system, and in the end diagnoses the fault, observates equipment ’ s operating mode ; finds fault type and cause. with the assistance of the diagnosis system, the economy and safety of factory is greatly improved
通過數據採集系統對信號進行採集與處理,利用監測軟體實現風機狀態監測,建立常規數據庫和故障數據庫以及調用常規分析子系統進行故障診斷等手段,觀察設備運行狀態,找到故障的類型和原因,作為決策的依據,從而提高了設備的經濟性和安全性。The author has collected abundant feature data in this field, applied routine analysis monitoring - based, spectrometric analysis - centered and ferro graphic analysis and particulate counting - validated oil monitoring technology, extracted images and numeric feature information produced by all components as friction ones in marine diesel power equipment. and under the theory guidance of fuzzy and neural network, synthesized the feature data and other interrelated qualitative and / or quantitative feature information of lubricant in diesel engine power equipment from the perspective of lubricant ' s routine analysis spectrometric analysis, ferro graphic analysis, particulate counting technology and so on., to establish an original regulating mathematic model capable of power equipment ' s conditions, diagnosing its failure, maintaining and supervising
本文綜合應用以常規理化檢驗為基礎、以油料光譜分析為核心,以鐵譜分析和顆粒計數為驗證的油液檢測技術,採集船舶柴油機動力裝置典型數據和相關信息,提取船舶柴油機動力裝置潤滑油中涉及的各種數字、圖像與知識類特徵信息的基礎上,應用模糊理論和神經網路理論,對船舶柴油機動力裝置潤滑油的常規理化分析、光譜分析、鐵譜分析、顆粒計數分析等技術手段獲得的特徵數據,以及其他相關定性定量特徵信息進行信息融合,建立了船舶柴油機動力裝置狀態評價、故障診斷、維修管理原始規則的數學模型。Combined with the researching and developing process of " the cbm system in fujian province ", the feasible scheme of the inter - faculty courses synthetic analysis ( namely intelligent management system of electric power equipment ' s condition ) are proposed to work out the module of intellectual ized diagnose and synthetic analysis to electric power equipment, which use the modern theory such as rough set theory, artificial neural net and genetic algorithm etc. emphasizing on the inter - faculty courses analysis, we analyzed the effect of this scheme based on " the instance collection of the limitation, and fault of main transformer in the fujian power system during recent years ", and then got a satisfying result. as the core of the cbm center of electric power equipment, the intelligent management system is the necessary measure to the cbm of equipment power system
本文介紹了狀態檢修的國內外發展趨勢和現狀,結合「福建省電力設備狀態檢修系統」項目研發過程,利用粗糙集理論、人工神經網路和遺傳演算法等現代理論,提出了跨專業綜合分析(即「電力設備狀態智能管理系統」 )可行方案,編制電力設備智能綜合診斷分析模塊,並以「福建省電網近年來主變壓器缺陷或故障情況匯總表」為例,以跨專業分析為側重點,對本方案的效果進行計算和分析,結果令人滿意, 「電力設備狀態智能管理系統」作為「福建省電力設備狀態檢修中心」的核心,是電力設備狀態診斷不可缺少的手段。分享友人