易出故障處 的英文怎麼說
中文拼音 [yìchūgùzhàngchǔ]
易出故障處
英文
trouble-spot- 易 : Ⅰ形容詞1. (容易) easy 2. (平和) amiable Ⅱ動詞1. (改變; 變換) change 2. (交換) exchange Ⅲ名詞(姓氏) a surname
- 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
- 處 : 處名詞1 (地方) place 2 (方面; 某一點) part; point 3 (機關或機關里一個部門) department; offi...
- 故障 : hitch; breakdown; stoppage; fault; faulting; accident; blunder; bug; conk; failure; impairment; i...
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It gives the hardware and softeware design of the temperature measure diagnose system of diesel enging ordinary failure. the hardware includes a infrared temperature measure appratus which contains memory and communication unites -, a data analysis computer which is used to analysis the data from the temperature measure appratus and gives the result report. the software includes modules such as comunicatio data analysis result print and operation interface between man and computer. it uses basic computer language which is easy to the users, the data communication instead of the data input with hand avoids the disadvantage of man and the erro of man
本文給出了柴油機常見故障測溫診斷系統的軟體系統和硬體系統的設計方法,硬體系統包括溫度檢測用的紅外測溫儀(具有數據存儲和數據通訊功能,可以很方便與上位計算機構成數據分析的診斷系統,在機車現場中操作十分方便)及用於數據處理的計算機系統(數據分析和報表) ;軟體系統採用basic語言開發了用於對紅外測溫儀數據讀取、分析和存儲並給出故障診斷結果的程序,具有代碼簡便、容易掌握和界面友好的特點,容易被現場工作人員接受。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。Abstract : in order to process signal in depth and to extract the fault feature from original signal in machinery diagnosis , the graphical display algorithm that can keep the data length of wavelet transform results the same as that of original signal is used. the fault diagnosis of a bend axial piston pump via b - spline wavelet that has linear phase is provided. the results of study demonstrate that the new method has excellent feature and the weak fault signal can be extracted from the strong vibration background of the pump
文摘:採用具有線性相位的b樣條小波,應用圖形顯示演算法並結合小波變換快速演算法將信號分解到不同的頻帶上,且分解結果和原信號長度保持一致,可對信號進行深層次的處理,克服了傳統的信號處理方法不易提取微弱信息的不足.通過對礦用斜軸式柱塞泵振動信號的分析,分離出了配流副磨損、球鉸松動、缸體及泵軸支撐軸承的故障特徵,為液壓泵的故障診斷提供了依據,並為信噪分離、微弱信號提取及設備的早期故障診斷提供了一條有效途徑But, at the present situation, the down hole progressing cavity pump is driven by the motor and reducer placed on the ground via a thin and long rod, and this cause troubles easily because of the rod works in cycling bending and distortion
目前螺桿泵採油系統採用地面電機和減速裝置通過細長抽油桿驅動井下螺桿泵,這種驅動方式由於抽油桿旋轉時處于長期循環扭曲狀態,系統很容易出現故障。2. digit hexadecimal code display error code, will know
2 .透過本卡數字顯示,即可輕易得知主機板與其周邊,何處故障出問題In this thesis, can bus is used as the system bus, concentrating the research on the feasibility of using redundancy can bus technology in large - scale motor vehicle safety performance detecting & control system. this thesis first gives an overall design of the data collection and control system applied to the front end of a large - scale motor vehicle safety performance detecting & control system. regarding that the bus controller, bus driver and bus transfer medium would fail to function easily, the dual mode cold - redundancy structure is adopted in system to ensure the reliability
本文採用can總線作為系統總線,重點研究冗餘can總線技術應用於大型機動車安全性能測控系統的可行性並進行驗證:首先對基於冗餘can總線的機動車安全性能測控系統的前端數據採集與控制系統進行了總體設計,考慮到總線控制器、總線驅動器和總線介質都是容易出故障的部件,系統採用了二模冷冗餘結構來保障can總線通訊的可靠進行;其次,根據系統需要,設計了基於c8051f021的帶冗餘can總線通道的數據採集與控制模塊,用於採集與處理檢測現場的模擬信號和數字信號,並自行開發了can總線應用層協議以及應用軟體,通過冗餘can總線實現與上位機的可靠通訊;然後,為了驗證冗餘can總線設計方案的可行性,搭建試驗平臺並進行can總線故障切換的試驗;最後對課題的研究工作進行了總結與展望。A time - frequency analysis method is presented to solve paper machine press section bearing vibration signals of unstable and complication, applying wavelet function to the unstable signals for faulty bearing according to paper machine press section roll bearing characteristic, and process the vibration signals by means of decomposition and reconstruction, obtaining the vibration signals in different frequency bands, the statistic in frequency domain of relevant frequency bands is served as monitoring feature
摘要針對紙機壓榨部滾動軸承尺寸大響應弱、運轉速度低、低頻信號容易淹沒、調制源多、振動信號非平穩性等特點而導致常規的傅立葉分析診斷故障效果不佳的情況,提出了一種應用小波變換的時頻分析方法,對振動信號進行分解和重構處理,獲得了振動信號在不同的頻段的分量,提取相應特徵頻段重構分量的功率譜的頻域統計值作為特徵參數,從而實現對軸承故障診斷。分享友人