波及故障 的英文怎麼說

中文拼音 [bōjígùzhàng]
波及故障 英文
secondary failure
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 及 : Ⅰ動詞1 （達到） reach; come up to 2 （夠得上; 比得上） can compare with; be comparable; be up to ...
  • 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
  • 波及 : spread to; involve; affect
  • 故障 : hitch; breakdown; stoppage; fault; faulting; accident; blunder; bug; conk; failure; impairment; i...
  1. This paper presents a method that chopping wave is done by switch devices which consist of three - level resistance regulating module and intelligence power module ipm, and which realizes constant - current discharge of storage battery. to achieve the intelligence control of the drive protection and the discharge process of ipm, the paper designs circuit formed by igbt threshold drive pulse pwm signals. ipm fault - blocking protection circuit and microcomputer 80c196. the devices can accurately control the 0 ~ 150a discharge current and the discharge time of the storage battery and calculate the releasing power

    實現蓄電池恆流放電過程智能控制是蓄電池放電裝置發展的必然趨，本文提出了一種通過三極電阻調節模塊和由智能功率模塊ipm為開關器件進行斬波從而實現蓄電池恆流放電的方法。為達到對ipm的驅動保護和放電過程的智能控制，文中設計了igbt門極驅動脈沖pwm信號形成電路和ipm故障封鎖保護電路及由單片機80c196為核心的微機控制器。本裝置能夠對蓄電池進行0 150a放電電流及放電時間的精確控制及釋放容量的計算。
  2. Because of the elements which run under nonideal linearity and unentire symmetry in the power system, the loads which are different and change randomly, the methods which adjust and control the system faultily and operate improperly, the disturbance and the malfunction which happen somewhere, the current and voltage in the supply system are distorted seriously and thus large amount of harmonics are produced

    但是，由於電力系統元件運行的非理想線性或非完全對稱、負載的性質各異且隨機變化、調控手段的不完善以及錯誤操作、外來干擾和各種故障的存在，供電網中的電流（電壓）發生畸變，產生大量諧波。
  3. In order to verify the effectiveness of steep - front impulse voltage test in finding the internal faults of composite insulator, some insulators with faults, including conductive channel, semi - conductive channels, airy channel, partial little air bubble that occur separately at different place, are modeled. steep - front wave impulse voltage test is made for these faulty insulator and normal insulator

    為了檢驗陡波試驗對于發現合成絕緣子內部故障的有效性，分別模擬了絕緣子內部不同部位有導電性、半導電性通道，小氣泡，金屬雜質，長氣泡以及芯棒與護套間不粘連故障的絕緣子，並從三維靜電場計算和用不同陡度的陡波試驗兩個方面進行了驗證。
  4. In the first part of the paper, the development of motor control system fault diagnosis theory is summarized. on the basis of the analysis of the characteristics of wavelet, the theory is discussed and the definition of the singularity is given. because of the localization property of wavelet transform, wavelet analysis can be used to detect the characteristics of the singularity from the signal and intermittence fault problems lying in the motor under test

    著重介紹了小波分析在電機控制系統故障診斷中的應用，根據小波理論在時域和頻域良好的局部化性質，討論了利用小波變換來檢測信號的奇異特徵的原理，給出了小波變換對信號奇異性特徵檢測的方法，針對實際應用，對小波基函數選取及小波分解尺度進行了探討。
  5. This paper theoretically analyses the armature current and magnetomotive force in ac exciter of brushless synchronous machine with rotating rectifier. under the normal or fault conditions of rotating rectifier, the mathematical expressions of the armature current, the m. m. f and induced electromotive force are approached

    本文通過對旋轉整流器在正常與故障狀態下的交流勵磁機電樞電流和電樞電勢作了初步的理論分析，推導出旋轉整流器在正常與故障狀態下電樞電流、空間諧波合成磁勢及其感應電勢的數學表達式。
  6. In this paper, the rotating machinery at high speed is studied. there are discussed about numerical calculating methods for non - linear dynamical system, the rotor system radial impact and rubbing dynamics behavior analysis having the nonlinear rigidity on the unsteady and non - linear oil film, the rotor system dynamics behavior analysis with bending - torsional - pendular coupling vibrations, application of wavelet, fractal and network in fault diagnosis. the main works in this paper are as follows : ( 1 )

    本文以高速旋轉機械為主要研究對象，系統、深入地研究了非線性動力學系統的數值計算方法、具有非線性剛度的轉子系統在非穩態非線性油膜力作用下的徑向碰摩動力學行為、轉子彎扭擺耦合振動的動力學分析、小波和分形理論及人工神經網路在故障診斷中的應用問題。
  7. Application of wavelet packet decomposition and its energy spectrum on the fault diagnosis of reciprocation machinery

    小波包分解及其能量譜在發動機連桿軸承故障診斷中的應用
  8. Fast algorithms of both discrete and orthonormal wavelet and wavelet packet coefficient are diagrammatized to be introduced. daubechies wavelet is applied to help to discuss the application and test on signal filtering and noise reduction with the principle and threshold implementation ; the basic principle to pickup the fault characteristics is introduced mainly about the relations between the maximum module and signal saltation point and how to characterize the saltation point with lipschitz exponent

    展示了離散正交小波變換的mallat快速演算法和小波包系數分解的快速演算法；重點應用daubeches小波探討了小波變換在信號濾波去噪中的應用和實驗，闡述了其基本原理和通過閾值化處理實現濾波的具體方法；探討了用小波變換進行故障特徵提取的原理，說明了小波變換模極大值和信號突變點之間的關系以及怎樣用李氏指數來表徵突變點的性質。
  9. An automated de - noising algorithm based on the energy of wavelet packet not donoho ' s threshold algorithm is established. a gear feature vibration signal extraction method using the wavelet packet energy is proposed, which can separate gear meshing vibration, noise vibration and gear fault vibration signal from the original gearbox case vibration signal. basis pursuit ( bp ) algorithm is introduced into the filed of mechanical signal de - noising and feature extraction for the first time

    第三章擺脫了donoho的閾值消噪思想，從能量的角度建立了基於小波包的自動消噪演算法；提出基於小波包能量分佈的齒輪故障特徵信號提取方法，可以將齒輪嚙合振動信號、干擾振動信號以及故障沖擊振動信號從原始齒輪振動信號中分離出來；首次將基追蹤消噪演算法引入到機械故障信號的消噪與特徵提取上，通過對齒輪故障信號的消噪，表明了它的有效性，並對影響該方法實際應用效果的因素進行了全面的分析，同時也指出了該方法存在的局限性。
  10. With the development of the network of protections and fault recorders, the further diagnosis can be carried out in the light of the ample recorded fault data

    隨著繼電保護及故障錄波信息網的建立，豐富的錄波信息為進一步診斷提供了基礎。
  11. Dissolved gas analysis ( dga ) is one of the mainly technology methods to diagnose the internal malfunction in transformer. by request of dl / t722 - 2000, < guide to the analysis and the diagnosis of gases dissolved in transformer oil >, the component of h _ 2, c _ 2h _ 2, c _ 2h _ 4, c _ 2h _ 6, ch _ 4, co and co _ 2 is used to judge and analyze the internal malfunction in transformer

    本系統首先接收氣相色譜儀發送的數據信息，並對這些數據進行處理與分析，計算出譜圖數據的波峰高度、波峰面積、波峰起始點、基線等值，在此基礎上依據定量分析及故障診斷原理對變壓器進行診斷，得出結論。
  12. Application of mach trim system on boeing airplane and troubleshooting analysis

    馬赫配平系統在波音飛機上的應用及故障分析
  13. Ensures making precise and timely records in logbook and in production control system for defined operating actions, maintenance activities, turbulence and failures in process, quality reports and parameters of process

    確保將規定的操作動作、維修動作、工藝波動、故障、質量報告和工藝參數準確和及時地記錄在交接班日誌以及生產控制系統上。
  14. Combining with the practical project, the development of an instrument for multi - channel harmonic detection and analysis were described in the third chapter, including the system structure, hardware and software of the device. then the technology of multi - channel data gathering was discussed, and some key techniques have been presented including high precision 、 high speed sampling of the voltage and current, fast flourier transform ( fft ), data compression and storage techniques, planar graphic fitting, three dimensional graphic projection, multithreading and the computer graphics techniques

    第三章結合多通道諧波監測及故障錄波一體化裝置的研製這一課題，介紹了裝置的體系結構和硬體、軟體構成，詳細介紹了在裝置研究過程中所提出的關鍵技術，主要包括電流電壓信號高精度、高速采樣技術，快速傅立葉變換fft 、數據壓縮存儲技術，多線程技術，二維圖形擬合、三維圖形投影技術及海量存儲技術，計算機圖形技術等。
  15. Fluctuation measuring of instantaneous angular velocity and fault diagnosis for rotating machinery

    旋轉機械的瞬時角速度波動量化及故障診斷
  16. In theory analysis, the voltage waveforms of the 12 - pulse waveform controlled rectifier circuit and three - phase thyristor converter under fault and normal condition are analyzed and researched in detail, all the faults states are summarized and classified according to the aberrant voltage waveforms

    在理論分析方面，本文對三相橋式整流電路、 12脈波可控整流電路等大功率電力電子裝置整流電路在正常運行及故障狀態下的整流電壓波形進行了詳細分析和研究，按照電壓波形對故障狀態進行了總結和歸類。
  17. Company cooperates with german geso company in opening up the distributed optical fiber temperature sensor system （ dts ） and optical - mechanic - electric computer and ebb semaphore detection etc. the dts system is the international high technic product in 20 century 90 years. it can be applied to early fire detection 、 process monitoring 、 leak detection for liquid and gas 、 and finding the malfunction ect

    寧波振東光電有限公司與德國geso公司合作開發的分佈光纖溫度傳感器（ dts ）系統是集光、機、電、計算機、弱信號檢測為一體的，是國際上20世紀90年代產業化的高科技產品，可廣泛的應用於火災報警、過程監控、氣體液體的泄漏監測以及故障診斷等方面。
  18. The thesis uses sql server 6. 0 database, standard sql access interface, and oriented - object program language vc + + to implement our electric network dispatching message management system. the system can operate like this : automaticly check if having data files come ; discriminate file type ; automaticly read data into database ; rapidly give out the precise analysis results, including waveform display, fault component calculating ; select fault phase ; distinguish fault type ; precisely fault allocate ; run all kinds of database administration, like antomatic add - on, automatic deletion, amendment, inquiry by different conditions ; print all kinds of outcome and keep them into database ; share data resource by web technique ; deal with complex faults. the whole system i finished will be powerful technic support for dispatching operation

    本文採用標準的sqlserver6 . 0數據庫，標準sql訪問介面和面向對象編程工具vc + +進行編程，實現了集數據庫、分析計算、圖形化界面、網路通訊於一體的電網故障錄波信息管理及故障診斷系統，該系統能夠在每次故障后自動查詢有無數據文件的到來;能夠對傳送到調度端的數據文件分析其類型;能夠按comtrade格式自動地將大量數據信息完整地填入數據庫中;能夠進行故障選相，故障類型判別和故障精確定位;能夠快速地對故障做出精確的分析，計算各次諧波分量，有無功和視在功率，功角，序分量等;能夠對數據庫進行各項管理，如瀏覽，自動添加和刪除，修改和按各種不同條件進行查詢;能夠將計算結果，各種表格圖形列印出來和保存進數據庫中;能夠將計算分析結果通過web技術為其他部門提供共享數據資源
  19. Firstly, developing status of routine test of hydroelectric generation set and trouble diagnosing in china and abroad are introduced ; secondly, the article specifies the structure of cims and basic theory and technology. cims is composed of monitoring apparatus and analyzing system, signal processing uses fft and df ; in the end, function of cims is specified. monitoring apparatus is designed of 80c196kb and 89c52, the monitoring soft adopts microsoft visual basic 6. 0 and the database is developed of microsoft access 2000

    文章首先介紹了水電機組常規試驗及故障診斷國內外發展現狀；然後給出了系統的結構框架和理論技術說明，本系統由監測裝置和軟體分析系統組成，信號處理採用了快速傅利葉變換和數字濾波技術；最後詳細分析了系統功能，監測裝置使用80c196kb和89c52單片機技術開發，監測軟體使用visualbasic6 . 0語言編制，數據庫採用microsoftaccess2000 ，監測系統分為三大部分：運行狀態監測模塊、故障分析及數據處理模塊、水輪發電機組常規試驗模塊。
  20. We apply wavelet theory and inverse modeling to some woodworking machine tool and put up computer simulation for wiping off yawp and fault diagnosis. then we distill some useful character for analyzing on the spot, thereby the designing of software and hardware and the relevant system implement are also researched deeply

    針對某種木工機床，應用小波理論及逆向建模方法，對信號的去噪及故障診斷進行計算機模擬，並提取有用的狀態特徵量，現場進行實驗分析，從而在硬軟體設計及系統實現上進行了深入淺出的研究。
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