正常故障率 的英文怎麼說

中文拼音 [zhēngchángzhàng]
正常故障率 英文
normal failure rate
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : 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
  • : 率名詞(比值) rate; ratio; proportion
  • 正常 : normal; regular; average
  • 故障率 : fault rate; failure rate故障率曲線 bathtub curve; 故障率數據 failure-rate data; 故障率水平 failure-rate level
  • 故障 : hitch; breakdown; stoppage; fault; faulting; accident; blunder; bug; conk; failure; impairment; i...
  1. Among the many testing methods of analog and mixed signal circuits booming up in recent years, the pseudorandom testing technique is easier to generate testing stimuli and the current - based testing method could magnify the response differences between fault - free circuits and faulty circuits

    近年來提出的很多種模擬及混合信號電路測試方法中,偽隨機測試法易於產生測試激勵,基於電流的測試法能使電路和電路的頻響應的差別增大。
  2. Malfunctions can be diagnosed using infrared thermography without affecting the work state of tested equipments, thus the diagnostic accuracy can be improved. infrared thermography, just as often, improves electronic fault diagnosis by isolating the malfunction to specific areas of the circuit board, what is more, it usually does point directly to the failing component. thermography even can rapidly diagnose up to hundreds of elements on one pcb at one time, without requiring the operator to know the circuit principle very well, which can reduce the workload greatly

    紅外檢測儀可以對電子設備進行在線測量,檢測時不會影響待測設備的工作和頻特性,這對高頻電路的檢測尤其方便,且能提高診斷的準確性;他通能指出電路板上的區域,甚至經能直接找出元器件,這樣就提高了維修質量;並且能在不需要檢測人員對電路原理有深入理解和分析的情況下,對同一塊電路板上的數十隻甚至數百隻器件同時進行快速診斷,這就大大減少了維修人員的工作量,提高了維修人員的工作效
  3. Then the difference between the output of the trained neural networks and that of the actual system is used as a residual, which detects the sensor fault. the diagnosis can then be performed by further exploiting the information provided from the residual signals according to certain rules introduced in detail in the thesis. simulating results show that the method can isolate any fault of the sensors in any input types and normal work frequencies

    模擬結果表明,基於神經網路觀測器的診斷方法在系統工作頻范圍之內,不受系統輸入類型和的類型的影響,只要對系統的特性發生影響(系統參數漂移3 ) ,通過神經網路觀測器的殘差判別函數可以診斷出
  4. First, the system operation conditions that include three input types ( square, sinuous and triangle ) with different frequencies ( l / 250hz, l / 5hz and 1hz ) are discussed. in fault detection processes, we construct 4 three - layer bp neural networks to learn the normal states of the system. the outputs of trained neural networks are as the estimate values of the sensors

    本文詳細研究了在這種情況下的診斷問題,針對某液壓系統,分析了系統在方波輸入、弦輸入、鋸齒波輸入下,分別在工作頻、極限工作頻以及接近極限工作頻等9種工作狀態的特性,以及在這9種工作狀態下,運用神經網路觀測器進行傳感器診斷研究。
  5. A dc transit system can never be fully protected because the protection cannot always distinguish between distant faults and train load currents for both of the currents have the similar magnitude and the rate of change

    在各種短路中,地鐵直流側遠方短路由於其電流的大小和變化都很難同負荷電流鑒別開來,所以至今難以做到百分之百的保護。
  6. Abstract : based on the analysis of the physical structure, operati ng principle and dynamic characteristics of the power unit of an excitation cont rol system, a model of this power unit is firstly established with bond graph app roach. the operation of this unit in both normal and abnormal conditions is simul ated on the platform of matlab with simulink. this simulation results have compar ed with the real operation behaviors

    文摘:在對同步發電機自並勵系統功單元的物理結構、工作原理及動態特性進行分析的基礎上,建立了勵磁功單元分散式物理圖網模型,並在matlab的simulink平臺上對勵磁功單元和幾種情況下的工作進行了模擬研究,並與實際工作情況進行了比較
  7. Based on the research project of my tutor the application of a new unified power flow controller in extra high voltage transmission lines operated in two phases, the existing principle of upfc and methods of the transmission lines operated in two phases, put the new upfc into hai - jin - jia 330kv extra high voltage transmission lines based on perfecting the framework of main net located in west of river in gansu which can improve the quality of electric power and ensure power transmission or transfer between the main net of gansu and the area of west of river

    本文綜合分析了海-金-嘉330kv超高壓輸電線路在運行和情況下的諸多問題,在upfc的現有成果和非全相運行現有方案的基礎上,結合導師的研究課題? ?新型統一潮流控制器在超高壓輸電線路非全相運行中的應用。提出在完善甘肅河西主網架結構的基礎上,將新型的upfc應用於海-金-嘉330kv超高壓輸電線路,可以較好的解決電壓質量問題,確保甘肅主網與河西地區電網的功傳輸、轉換。
  8. The establishment of gear fault data warehouse the paper studies several gear cases in drive lab of wuhan university of science and technology. the signal of normal gear pair, the one has been worn seriously, the one which has circular pitch error and the one whose pinion has a ruptured tooth is acquired independently. after fft transformation, the amplitude values of 0 - 0. 4 multiple engage frequency, 0. 4 - 0. 5 multiple engage frequency, 0. 5 - 1 multiple engage frequency, 1 multiple engage frequency, 2 multiple engage frequency, 3 multiple engage frequency, 4 multiple engage frequency and greater then 4 multiple engage frequency of every signal are obtained respectively

    論文主要完成下列內容: 1 .齒輪數據倉庫的建立以武漢科技大學傳動實驗室的若干臺齒輪箱為研究對象,分別採集齒輪副、磨損嚴重的齒輪副、有周節誤差的齒輪副和小齒輪有一個斷齒的齒輪副的振動加速度信號,經過fft變換,分別得到每個信號的0 ~ 0 . 4倍嚙合頻、 0 . 4 ~ 0 . 5倍嚙合頻、 0 . 5 ~ 1倍嚙合頻、 1倍嚙合頻、 2倍嚙合頻、 3倍嚙合頻、 4倍嚙合頻和大於4倍嚙合頻幅值。
  9. After a minimal repair, the product is operational but the failure rate of the product remains unchanged

    小修理是指產品經過修復后即可運作,但其將回復到前的那一刻一樣未改變。
  10. 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電力電子裝置整流電路在運行及狀態下的整流電壓波形進行了詳細分析和研究,按照電壓波形對狀態進行了總結和歸類。
  11. To enterprise, on the one hand, drfdes can harmonize the enterprise equipment, set up the network of equipment ' s state inspecting and the fault diagnosis system, keep equipment work naturally, improve efficiency and economize the maintenance fee, on the other hand, drfdes can help set up the global service system of selling, can offer timely, effective and almighty service to consumers

    對于企業,一方面要保證企業設備的協調機制與合作機制,對大型設備需要建立廣域范圍的設備狀態監測網路以及診斷專家智能系統,來保證所有設備的運行,提高生產效,同時節約維修費用;另一方面,為企業在全球范圍內提供高質量的產品和及時售後服務提供了一個解決的途徑,使得設備用戶獲得及時、有效、全面、智能的診斷維護服務成為了可能。
  12. Plenty of diagnosis examples demonstrate the validity of the gray relationship analysis method in diagnosing power system insulation faults. not only the misjudgment rate can be reduced, but also the transformer fault incidences can be classified by using self - adapted weight fuzzy clustering method. further more, the transformer insulation condition can be analyzed, as well as the fault position can be located by recognizing the fault types

    經過大量的診斷實例表明:本文的模糊綜合診斷與模糊規則推理結合起來的診斷方法對電力研究變壓器絕緣診斷是有效的,能大大減少錯判、誤判比;自適應加權模糊聚類方法能對變壓器的樣本確分類,同時能有效判別類型,診斷的準確性大大高於用的三比值法。
  13. It works well : the exception rate is low and the automatization degree is high. this design fruit is a successful example by using modern design theory to do creative design. the method used in this design is worth being spreaded to the process of developing and design of other mechanism of alkaline - mnoa battery

    利用新的設計手段與方法設計出的堿錳電池集電體自動入殼系統,經實際使用表明:該系統工作低、自動化程度高,各項指標均達到了設計使用要求,該項設計成果是一項利用現代設計理論進行工程創新設計非成功的範例,本方法值得推廣到其它堿錳電池機械產品的開發設計過程中。
  14. The current spic has the functions of under - voltage and over - current checking, which can protect the system by automatically stop working when the system is in trouble until the trouble is eliminated

    當前的智能功集成電路一般都具有欠壓檢測和過流檢測等功能,在系統出現異時電路會自動停止工作直到排除后才恢復工作,從而保護系統。
  15. When the equipment normal operation, the operation monitoring indication by frequency blinking, when the equipment break down and doesn ' t automatic reset that operation monitoring indication blank off

    裝置運行時,運行監視指示以一定的頻閃亮,當裝置出現並不能自動復位時,運行監視指示燈則熄滅。
分享友人