energy fault 中文意思是什麼

energy fault 解釋
能量缺陷
  • energy : n. 1. 干勁,活力。2. (語言、行為等的)生動。3. 〈pl. 〉 (個人的)精力;能力。4. 【物理學】能,能量。
  • fault : n 1 過失,過錯;罪過,責任。2 缺點,缺陷,瑕疵。3 (獵狗的)失去嗅跡。4 【電學】故障,誤差;漏電...
  1. 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
  2. Combination fuse - switch ( cfs ) unit compartments shall be designed and type - tested for arcing fault containment where the energy level available to the input terminals of the compartment exceeds 1, 000, 000 a2 seconds

    試譯:間隔式組合熔絲開關櫃( cfs )的隔室設計應滿足,在隔室的輸入端子的有效能級超過100萬安培秒之處,能進行閃故障包容以及閃故障包容的型式試驗。
  3. 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。
  4. The method using wavelet packet analysis is proposed to extract fault information from vibration signal obtained from testing jig of tilting train. the vector comprised of the energy of signal in all spectrum bands is input to a feed forward neural network

    利用小波包分析,將擺式車體試驗臺上採集到的振動加速度信號分解在相互獨立的頻帶之p內,各頻帶內的能量值形成一個向量,將其作為神經網路的輸入特徵向量, 。
  5. Fault diagnosis based on wavelet packet energy eigenvector

    基於小波奇異性和神經網路的高壓斷路器機械故障診斷
  6. The insurer pay for fire cause by default of electrical wires, energy supply fault of the vehicle itself ; this insurance does not cover for fire cause by outer hazards

    負責賠償保險車輛因本車電器、線路、供油系統發生故障及運載貨物自身原因起火燃燒,造成保險車輛的損失;而由於外界火災導致車輛著火的,不屬于自燃損失險責任范圍。 。
  7. According to the time variation and feature extraction difficulty of rotating machinery vibration signals, the rule of choosing wavelet basis function and wavelet denoising soft - thresholding value is proposed after making further research on wavelet transform technique, using for denoising rotating machinery vibration signals the conception of " energy " is proposed, based on the theory that signals energy in all frequency can be affected by faults deeply, to construct feature vectors of rotating machinery vibration signals which can give a convenient disposal way to fault feature extraction and fault intellectual diagnosis

    針對旋轉機械振動信號的非平穩性及特徵難以提取的特點,通過對小波變換技術的進一步研究,提出旋轉機械振動信號處理的小波基函數選擇原則及小波包消噪的軟閥值原則。利用小波包變換對旋轉機械振動信號進行消噪處理和特徵提取。並以「能量」為元素,構造旋轉機械振動信號的特徵向量,從而為旋轉機械振動信號的故障特徵提取以及后續的故障智能診斷提供了一種便捷的處理方法。
  8. The demands that transient energy function methods must meet for the non - autonomous motion system are also proposed, which include that the critical energy should be determined by the critical trajectory and the post - fault stable equilibrium point should be determined by the critical clearing time

    提出了暫態能量函數法用於非自治系統所必須滿足的條件,包括用臨界軌跡確定臨界能量,以及用臨界軌跡得到的切除時間確定故障清除后的穩定平衡點等。
  9. Energy spectrum ananlysis using wavelet technique is studied and applied to deal with feature exstraction of missile fault signals, from which a feasible feature vector is created, to be used by the fdes based on inn. parameters for diagnosis are also selected based on two different criteria : the cluster divergence of sample datas and the diagnosis reliability of parameter candidates

    研究了小波能量譜分析技術在地空導彈故障數據特徵提取方面的應用;提出了基於樣本綜合離散度和參數診斷置信度兩種診斷參數選擇的方法,從而為基於集成神經網路的故障診斷做好了準備。
  10. So the development of self - energy sf6 cb is very important. in the paper, the math model of arc - quenching chamber air - pressure character is built on the base of 126kv / 31. 5ka self - energy sf6 cb ' s exploiting, then the theory analysis and calculation is deeply been done for cylinder radius, nozzle spout radius and opening position of moved contact that they have the essential effect for the use of arc energy in the course of opening. arc - quenching chamber parameter is confirmed according to the request of full opening and fault opening when the cb is opening

    本文針對126kv31 . 5ka自能式sf _ 6斷路器的研製,建立了相應的滅弧室氣壓特性數學模型,對自能式sf _ 6斷路器開斷過程中電弧能量利用有重要影響的滅弧室缸徑、噴口直徑、動觸桿開口位置進行了詳細深入的理論分析和計算,並根據斷路器開斷中的滿容量開斷和近區故障開斷的要求確定了滅弧室參數。
  11. " energy - fault recognition ", a fault diagnosis method based on wavelet packets analysis for the transport pipeline supervising system is proposed in this dissertation. eigenvector target is presented which reflect the characteristic of leakage pressure signal

    本文將基於小波包分析的「能量?故障識別」故障診斷方法引入管道運行狀態監測技術,提出了反映泄漏壓力信號特性的特徵向量指標。
  12. Fault current limiters would be installed in transmission and distribution systems, especially for electric utilities and large energy users in high - growth, high density areas

    故障電流限制器等將被安裝在輸電及配電系統中,尤其是要安裝在高增長性,高密度區的電力單位和能源大戶。
  13. During its operation, the rotor of the machine is always under the great suppression of centrifugal force. the surface of rotor is the most important part to enduring the forces and thermal energy. so the windings of rotor are in a common problem of happening one - point to earth short fault, two - point to earth short fault, or turn - to - turn short fault

    汽輪發電機是一種高速隱極式同步電機,在其運行時,轉子受到強大的離心力的作用,而轉子表面是承受機械應力和發熱的最關鍵的部件,因此汽輪發電機轉子繞組容易發生一點接地、匝間短路和兩點接地短路故障。
  14. It is not like expert system, which needs repeat three periods - conceptualization, formalization and improvement. in this paper, research the fault gears " three models by the vibration signal. pick up the character vector by using the wavelet packet and energy method as the ann input neural vector

    本文以齒輪箱為研究對象,在齒輪正常、齒根裂紋、齒面非正常點蝕三種模式下,對振動信號加以分析,運用「小波包?能量」法提取出信號特徵量,作為神經網路的輸入向量,採用包括有輸入層、單隱層和輸出層的bp網路。
  15. Calculation of electron structure and stacking fault energy of the strengthening phase ni3al

    基超合金強化相的電子結構和層錯能的計算
  16. The recursive criterion of transient current protection based on mallat wavelet transform is presented in order to meet the real - time demands. the reserch shows deficiency existed in the prevenient principle of transient current protection, so a new improved scheme of transient current protection is proposed. the characteristics of transient protection at different bus distribution capacitance is also analysed in this thesis. the study shows that operate of transient protection is correct when the bus distribution capacitance change. other conclusion include : the trip of transient protection must be locked when the power circuit breaker of transimission line operated, because the trip is incorrect at this time ; the features of transient current and it ' s energy is different between the fault and thunder over - voltage in transimission line, and them can be identified ; the ratio of high frequency component of current in serise capaciters compensation line, svc and hvdc system is far little than fault transient current, so all of them do not affect the working of trasient current protection

    應用功率譜估計方法討論了故障高頻暫態噪聲信號在頻率軸上的分佈情況,利用功率譜分析結果實現的非參數化系統辨識方法研究了母線分佈電容對電流高頻暫態信號的衰減特性。論文的後半部分(第五,六,七章)著重分析了現有基於故障電流的暫態保護原理和判據存在的問題,提出了新的實現方案,並討論了暫態電流保護的運行性能。利用多分辨分析和小波分解快速演算法構成的遞推暫態保護判據,可以準確區分故障線路和非故障線路,實現超高速暫態電流保護,計算更為簡單方便,計算速度更快。
  17. The surplus transient energy, ( ste ), produced during the fault period is used as the quantity index to evaluate the damage degree of generator stability. the effect of gahc to the generator stability was analyzed in single machine system and multi - machine system. the results of analysis show that ste could be reduced by the gahc, the ste decrease of controlled generator would be helpful to reduce the coupled disturbance transient energy of other generators in multi - machine system

    以發電機在故障期間積累的過剩暫態能量作為發電機穩定性受到危害程度的定量評價指標,在單機無窮大系統和多機系統中對gahc提高發電機穩定性的作用機理進行了理論分析,分析結果表明: gahc能夠加速被控機組過剩暫態能量的衰減,在多機系統中被控發電機過剩暫態能量的衰減將減少與之關聯的其它發電機受到的耦合暫態勢能的擾動量,也就說明在多機系統中gahc在提高本地機組穩定性的同時不會對其它發電機的穩定性產生危害作用。
  18. The proposed approach can effectively monitor the changing trends of the dominant frequency and energy as well as the process variable contributions, and is feasible for non - stationary process monitoring, fault detection and localization

    該方法能有效地監控過程系統中主導成分的頻率、能量的變化趨勢以及過程變量的貢獻度,適合於非穩態過程監控以及故障檢測與定位。
  19. I beamed strong electromagnetic energy down fault lines,

    我將強烈的電磁能量對準斷層
  20. In this paper, a new method of performance - based seismic design, energy analysis method is proposed firstly by taking into account the merit and fault of methods of aseismic design in current code and performance - based seismic design

    本文在分析現行規范抗震設計方法和基於性能的抗震設計方法優缺點的基礎上,提出了一種新的基於性能的抗震設計方法?能量分析法。
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