故障前試驗 的英文怎麼說

中文拼音 [gùzhàngqiánshìyàn]
故障前試驗 英文
test to failure
  • 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
  • 前 : Ⅰ名詞1 （在正面的） front 2 （次序在先的） first; top 3 （過去的; 較早的） ago; before; preceding...
  • 試 : 名詞（古代占卜用的器具） astrolabe
  • 驗 : 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...
  • 試驗 : trial; experiment; test
  1. Lastly, experimentations are carried out on chaochai 6102bq engine and the data of the thermal parameters according to different oil - apply lead angle is derived. the influence of the change of oil - apply lead angle on the rate of heat release is researched, then a reference is provided for building an accurate heat release model

    最後，在朝柴6102bq柴油機臺架上進行了試驗，對不同供油提前角下柴油機的熱工參數進行實機測試，對試驗結果進行了處理、分析，研究了供油提前角的改變對放熱規律的影響，為建立該故障下的燃燒放熱模型提供參考。
  2. 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。
  3. 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：對本段前期實驗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故障檢測裝置，將無量綱參數診斷法應用於段修現場，且做了大量試驗；對于現場試驗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故障診斷；從理論上分析了聲發射現象，從應用的角度分析故障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，並在實驗室中，採用振動法和聲發射法實時檢測的實驗數據進行了對比和分析，證明了使用聲發射法對軸承故障檢測的可行性和有效性。
  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，吸收國外加速試驗的經驗，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驗。
  5. To obtain the prior distributions of parameters by bootstrap, i proposed the integrated sampling method to generate bootstrap samples. the method simulates a markov chain to describe the state changing procedure based on the failure time sampled by monte carlo method. and the posterior distributions of parameters are obtained by markov chain monte carlo ( mcmc ) method

    為了應用自助方法確定參數驗前分佈，提出了運行故障時間和狀態的綜合抽樣方法生成自助樣本，該方法基於試驗數據用蒙特卡洛方法對故障時間進行抽樣，在故障時間抽樣值的基礎上，模擬馬爾可夫鏈表示系統狀態變化過程。
  6. Nevertheless the system cannot fulfill the request of present satellite launch because of the out - of - date equipment, the low grade of technique application, the in - normative system interface, etc. consequently it is crucial to update the system to meet the following satellite launch campaigns

    但當前整個系統存在著設備老化嚴重，技術應用水平不高，系統連接標準不統一等弊端，由此造成了整個效率低下，設備故障率偏高，運行不夠穩定等一系列問題，為了適應后續衛星發射試驗任務的需要，迫切要求對系統進行相應的改造。
  7. In order to meet with the status and develop demand qf the oilfield electric power system, basing on the many series of transformer and the high performance demand to transformer in oilfield and the fact that measure instruments are incomplete now, by use computer control technology, a suit of oilfield electric power transformer performance and parameter integrated measure system is developed, which is for in - use, standby and choose type

    論文結合電力系統現狀和發展需求，根據變壓器系列多、對變壓器性能要求高和目前檢測手段不完善的實際，藉助微機控制技術，從理論上研究變壓器在線試驗與故障診斷的技術方法，用以指導變壓器投運后能夠可靠、安全、經濟運行。
  8. 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。
  9. Experimental results show that more than 20 % stuck - open faults in part of is85 and iscas89 circuits can produce 2. 5 times iddr variation, and then can be detected by iddt testing

    實驗結果表明，電路中相當一部分故障是i _ （ ddt ）可測的。並與以前的自動測試產生演算法做了比較，此演算法穩定性好、速度快且可測性測度值好。
  10. The method has special obvious advantages to diagnosis the faults when several faults exist simultaneously. the paper constructs a three - layer forward neural network to diagnosis the fault and trains the network with characteristic eigenvectors extracted through the wavelet packet analysis, when training the net using the method of adding inertia item and the bp algorithm of conjugate gradient method, at the same time adapt the initial data of the network through the test

    同時，文中還構造了三層的前向神經網路，以小波包分析提取的故障特徵向量作為網路的訓練樣本數據，採用加慣性因子、共軛梯度法和迭代過程中改變學習率的反向傳播演算法來對神經網路進行訓練，並採用試驗的方法調整神經網路的初始值。
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