故障檢驗 的英文怎麼說

中文拼音 [zhàngjiǎnyàn]
故障檢驗 英文
diagnostic check
  • : Ⅰ名詞1 (事故) event; incident; happening; accident 2 (原因) cause; reason 3 (朋友; 友情) fr...
  • : Ⅰ動詞(阻隔; 遮擋) block; hinder; obstruct Ⅱ名詞(遮擋物) barrier; block; obstacle
  • : Ⅰ動詞1 (查) check up; inspect; examine 2 (約束; 檢點) restrain oneself; be careful in one s c...
  • : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
  • 故障 : hitch; breakdown; stoppage; fault; faulting; accident; blunder; bug; conk; failure; impairment; i...
  • 檢驗 : checkout; test; examine; inspect; verify; survey; check;checking;testing;[英國]jerque(指檢查船舶...
  1. By the result of these experiments, acoustic emission ( ae ) was chosen to use in the research. at the same time, we analyse the phenomenon of acoustic emission at the base of theory, the characteristic signal of acoustic emission which comes from the faulty bearing at the angle of application, and the expression of the characteristic signal. contrast was also made on the data achieved separately from vibrational signal and ae signal, and it is proved that ae is feasible and available to the diagnosis to the fault of the rolling bearing

    主要工作有如下幾方面:對本段前期實室階段採用的振動法幅值域無量綱處理進行了分析,並研製了現場所使用的滾動軸承測裝置,將無量綱參數診斷法應用於段修現場,且做了大量試;對于現場試中所出現的問題進行了分析,提出將聲發射的方法用於軸承的在線診斷;從理論上分析了聲發射現象,從應用的角度分析軸承的聲發射信號的特徵以及聲發射信號特徵的表示方法,並在實室中,採用振動法和聲發射法實時測的實數據進行了對比和分析,證明了使用聲發射法對軸承測的可行性和有效性。
  2. 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,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。
  3. Both theoretical research and experiment results have demonstrated great quality improvement of original thermal image and a considerable accuracy enhancement of diagnosis

    理論研究與實結果均表明,這些方法能有效地改善原始熱圖像質量,大大提高紅外測儀的診斷準確率。
  4. Abstract : analyzing the general method of temperature screening for assembly in our country, combined with the experience of accelerated testing abroad, we proposed a definition method of parameters, such as temperature range, rate of change of temperature and dwell time. in this paper, we introduce some experience in a temperature screening of a mainboard

    摘要:分析了目前國內在組件溫度篩選方面的一般做法,吸收國外加速試的經,並借鑒定量篩選中根據成效率確定無故障檢驗時間的方法,提出了組件溫度篩選中各參數(如溫度范圍、溫度變化速率、高低溫保持時間和循環數)的確定方法,並以一種稅控加油機主板的溫度篩選為例,介紹了組件溫度篩選方法研究中所總結的一些經
  5. To solve these problems, this paper gives the gap sensor ’ s fault model, finds out the weaknesses, and designs a bit fault detecting system which is tested by experiment, improving the maintenance efficiency

    本文對間隙傳感器進行建模,找到間隙傳感器中的薄弱環節,針對這些薄弱環節設計了間隙傳感器的bit測系統,最後通過實對系統進行了測試,提高了維護的效率。
  6. The method that increases the attitude accuracy of strapdown inertial attitude and heading reference system ( siahrs ) with the infromation from inertial measurement unit ( imu ) its own is studied. according to the design idea of damping network in platform type, damping kalman filter in siahrs is designed to enhance the attitude accuracy via integrating attitude calculated by common siahrs and that estimated by accelerometers. in order to evaluate the effectiveness of damping attitude, the vehicle ' s movement should be detected in real - time. for this reason, the state chi - square test is employed in the damping kalman filter, and the failure detection vector are tested, which improves the sensitivity and reliability of failure detection. finally, static and dynamic experiments of actual system demonstrate the effectiveness of the proposed method

    本文探討了如何利用慣性測量組合本身的信息來提高捷聯航姿系統的姿態精度.根據平臺式阻尼網路的思想,設計了捷聯式內阻尼卡爾曼濾波器,將慣導系統捷聯解算獲得的姿態與加速度計估計的姿態進行組合,在系統非加速度狀態下,提高了姿態輸出的精度.為了實時監測系統的運動狀態從而判斷內阻尼姿態的有效性,本文成功將狀態2法應用在內阻尼卡爾曼濾波器中,設計了基於2個狀態傳播器的監測器,並通過對測向量元素的代替對整個向量的,提高了監測的靈敏度和可靠性.最後,實際系統的動靜態實證了本文所提出的方法的有效性
  7. Abstract : the working principle, parameter calculation and software design of fault diagnosis of abs wheel - speed sensor for auto are introduced in this paper. the circuit design is tested to be correct and meet the design requirements

    文摘:介紹汽車abs輪速傳感器診斷電路的工作原理、參數計算和軟體設計,經實車模擬故障檢驗,證明該電路設計正確,達到了設計的要求。
  8. 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和偏心+碰摩復合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;搭建了振動信號測系統,設計實採集得到三組數據:偏心,偏心+輕微碰摩復合,偏心+中度碰摩復合,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形式;研究了基於matlab和labview的混合編程方法,完成了電機測系統的軟體開發。
  9. In this paper, i studied the theory of wavelet in the field of sensor faults diagnose. then i discuss the effects that using various kinds of mother wavelet detect sensors faults in the concrete simulated example. at last, we studied the application of combining the wavelet and bp neural networks to sensors failure detection and simulated sensor faults diagnose by the computer

    本文主要研究了小波分析在傳感器診斷中的應用,詳細地探討了各種小波基函數在傳感器診斷中的應用,並通過具體的模擬實例對各種小波基函數在傳感器測中的效果進行證,最後研究了結合小波分析和bp神經網路進行傳感器診斷的技術,同時做了計算機模擬診斷。
  10. Because die common fault detection method for sensors, residual x2 test, is insensitive to gradual - change - fault detection, a kind of residual x 2 test based on moving subnormal state is presented, and its validity is testified by mathematical simulation results, as shown in figures 5. 2 through 5. 5. with regard to the lag of soft fault detection, a kind of system reconstruction tactic based on hierarchic alliance structure of federal filters is proposed. mathematical simulation results, as shown in figure 6. 10, show the validity of isolating fault by using the tactic

    西北工業大學沁士學位論文們要一個研究指出常用的傳感器測方法?一殘差x 『法對漸變性測的不敏感性,提出一種基於移動偽正常狀態的殘差法,並通過數學模擬證該方法對漸變性測的有效性;提出一種基於遞階聯合濾波器結構的系統重構策略,並通過數學模擬證該策略對隔離的有效性。
  11. The test - bed provides the operating platform of fault detection and diagnosis of electronic - controlled engine for students of automobile maintenance specialty in high vocational and technological college and automobile maintenance technical personnel in produce forefront, and the purpose of clearing faults in actual vehicles is reached by training on this test - bed

    臺為電控發動機的測診斷提供了操作平臺,高職高專院校的發動機維修專業的學生和生產一線的發動機維修技術人員可通過對該實診斷的學習訓練,達到能夠實車排除的目的。
  12. With the analysis of both turbopump test data and laboratory rotor system vibration signals, the results show that nd technology is able to detect vibration faults successfully

    對渦輪泵試車數據及實室轉子平臺數據的測結果表明,新異類測技術對于在缺乏數據情況下開展的測工作是有效的。
  13. Prepare for maintenance by assisting in the allocation of resources for all routine and breakdown maintenance jobs, supervising and signing off the work of contract staff as authorized by mechanical supervisor in accordance with safety regulations / procedures so to ensure adequate resources and quality work

    在各種資源的協助下準備日常和修工作,按照安全規章制度/程序,在機械維修主管的指派下監督和收承包商的工作。
  14. Since the western countries began the srfcs research in the eighties, theory of signal detection is used in fdi, and it was successful in some fdi functions in several types of testing aircraft. china did the srfcs research recently, but lack of the engineering fdi algorithm. because the " model based signal detection algorithm " is sensitive to the matching accuracy of the mathematics model and aircraft has prominent nonlinear aerodynamic factors, it is difficulty to upgrade the ability of fdi based on the classical signal detection theory and data fusion only

    國外自八十年代開展自修復研究,一般採用基於常規數據處理的測理論來實現飛控系統測與隔離功能,現已在幾種證機上取得初步成果,而國內的研究尚缺乏實用的工程演算法;同時,基於常規數據處理的測精度對被測對象的數學模型匹配度敏感,且飛機的氣動特性在情況下又具有較強的非線性特性,因此,單純依靠常規的信號處理演算法難以進一步提高測的精度。
  15. Trough experiment it can be proved that the improvement can notable lessen time in train network. at kst after dealing with the signal collected in test - bed for simukting the broken - down gear - box, using the software a neural - network is designed. after being trained and testing the neural - network is proved to reach the require of diagnose for gear - box

    最後又由齒輪箱模擬測得的試數據在智能診斷系統軟體中進行信號處理和神經網路的訓練,經對訓練好的神經網路可以看出它是完全能滿足齒輪箱齒輪的診斷要求的。
  16. With the typical circuit fault model and conventional bit testing method, this paper researches into the validation technique of bit and smart fault detection which enhance the test effect of bit

    本文結合數控系統典型電路模式和常規bit測方法,研究bit的證技術,並開展智能測方法的研究,以提高bit的測水平。
  17. According to the sample theory, applied the time terminated test plan, the reliability compliance test plan was brought forward. the reliability compliance test plan was divided into two parts, residual current protection test and operation reliability test. in this paper, the preparation of sample, the test plan, the failure criterion and the program of reliability test were introduced

    本文由抽樣理論,採用定時截尾試方案確定了剩餘電流動作保護器的可靠性證試方案,剩餘電流動作保護器的可靠性證試由成功率證試證試組成;本文還給出了剩餘電流動作保護器可靠性證試的試品準備和試條件、試測方法、失效判據,以及可靠性證程序。
  18. Based on summarizing the present technology on xlpe faults detection and reference the pd detection method on power transformer, this paper introduces a method on recognition pd mode of xlpe. this paper uses discharging quantum and stat. arithmetic operators of chart as inputs to artificial neural network

    本文在總結前有的xlpe電力電纜絕緣測方法和借鑒變壓器絕緣局部放電的基礎上,以理論與實相結合,研究了基於人工神經網路的以xlpe電力電纜局部放電信號的模式識別方法。
  19. Which can forecast the occurrence of potential failure, tell why and where it occurs, and then provide relevant information for trigger test, control law reconfiguration and automated maintenance diagnostic. in this thesis, the fdi technique is studied and developed firstly. according to the requirement of the project, the real - time fdi software of srfcs is designed based in the fdi technique

    本文根據某主動控制技術證機自修復飛控系統項目需求,在對自修復飛控系統測和關鍵技術改進研究的基礎上,綜合應用相關理論知識,分析國內外技術資料,研製出相應的飛控系統測和隔離實時工程軟體。
  20. In this thesis, we would present theory research and its implementation about mpeg - 2 ts stream “ health ” check analyzer. a brief narration about the background of our research and its mean would be put in the beginning. and then we would analyze structure of ts stream and its definition in iso / iec 13818 - 1, data structure of system layer and mechanism of decode would be stressed in this section, later, we would introduce principles and methods of mal - function check in mpeg - 2 ts network, parameters being presented by etsi tr 101 290 would be emphasized in this part

    本文將對mpeg - 2ts碼流「健康」測儀的理論研究和數字電路設計作出如下介紹:本課題研究的時代背景及研究現狀和意義; mpeg - 2ts碼流的數據結構,在iso / iec13818 - 1中的定義和描述,其系統層的數據結構及解碼機理; mpeg - 2ts碼流在網路中測的原理和方法, etsitr101290規定測參數分類; mpeg - 2ts碼流「健康」測儀實現的總體方案,基於fpga的數字邏輯電路實現方案總體模塊劃分,模塊劃分的依據,模塊實現功能;總體方案的具體實現,幾個重要參數如pcr間隔及精度測,快速crc測等的實現;設計實現的證方法,典型參數測實現的證模型及證結果。
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