reliability and mtbf 中文意思是什麼

reliability and mtbf 解釋
可靠度和平均壽命
  • reliability : n. 可靠性，安全性，確實（性）。
  • and : n. 1. 附加條件。2. 〈常 pl. 〉附加細節。
  • mtbf : 得到的故障數量
  1. Basing on the mission requirement of a new type radar, this paper analyses the weakness of traditional mtbf centered design concept, and presents a new design concept of reliability, maintainability, and supportability ( rms ) centered maintenance free operating period

    摘要根據新型雷達任務的需要，對傳統的以平均故障間隔時間為中心的設計思想的不足進行了分析，提出了基於無維修工作期的可靠性、維修性、保障性設計思想。
  2. The count of failure includes that of failure classification and failure pattern ; reliability indicator includes mean time to first failure ( mttff ) and mean time between failure ( mtbf ) ; life indicator includes feature life, center life, and specified life

    其中，故障統計包括故障類別的統計和故障模式的統計；可靠性指標包括平均首次故障里程mttff和平均故障間隔里程mtbf ；壽命指標包括特徵壽命、中位壽命、額定壽命等。
  3. When dicussing reliability design and reliahbaiiy ensuring methods, a new reliability calculating model of petroleum logging tools is presented, reliability assurimg technologies should be taken in petroleum logging tools and their using approaches are presented and stated from electricity design and mechanical design, reliability system model of petroleum logging tool is set up according to the latest reliability theory, reliability indexes of petroleum logging tool and their acquiring ways are discussed, the reconmended reliability indexes ( mwture, nolwnm, mtbf, mttf ) of petroleum logging tool are presented : the mean working time under rated error ( mwture ) of the new tool is obtained through experiments. when studying data processing methods, the property of gamma - ray signal is stated and the type of it ' s measuring error is examined using statistical method, the basic theory of digital filtering and the basic situation of digital filtering methods are introduced and analyzed, the factors affecting digital filtering effect to gamma - ray signal and the effect of digital filtering to logging curve are analyzed, the evaluting criteria ( rvi, rmse, sfi ) of digital filtering effect are set up from two aspects, named as real value acquiring of steady section and the formation boundary checking and processing, the related filtering methods and examining methods are given out. the design methods of digital filter used to process gamma - ray signal are discussed, the mixed filtering scheme of natural gamma - ray log is presented, the realization ways are discussed. the selective filtering system and it ' s realization flow are given out through quantitive reseaching to part of digital filters, three new filtering sheme will be used to process gamma - ray signal in era2000 logging system

    在探討可靠性設計與可靠性保障技術時，提出了石油測井儀器的可靠性計算新模型，從電氣和機械兩個方面，提出並闡述了應採用的可靠性保障技術及其使用方法：根據最新可靠性理論，建立了石油測井儀器的可靠性系統模型，探討了石油測井儀器的可靠性指標及其獲取途徑，提出了推薦使用的石油測井儀器可靠性指標（ mwture ， nolwnm ， mtbf ， mttf ） ；通過試驗，得到了所設計儀器的穩定工作時間（ mwture ） 。在研究數據處理方法時，闡述了伽瑪信號的特徵，對測量誤差類型進行了統計檢驗；介紹了數字濾波的基本理論、數字濾波方法的概況，並進行了分析；對伽瑪信號數字濾波效果的影響因素及其對測井曲線的影響進行了基本分析；從獲取平穩段真值、地層邊界的檢測與處理兩個方面，建立了數字濾波效果的評價準則（ rvi ， rmse ， sfi ） ，給出了相應的數字濾波方法及效果評價方法；探討了自然伽瑪信號數字濾波器的設計方法，提出了適合自然伽瑪測井的混合濾波方案，探討了混合濾波方案的實現途徑；通過對部分數字濾波方法的定量研究，給出了靈活可選的數字濾波系統構成及實現流程；提出的三種濾波方案，將用於era2000成像測井系統，對自然伽瑪測井數據進行濾波處理。
  4. The article put forward the general plan to realize intelligent pneumatic actuator and studied and analyzed on some of key technical questions : low power - consumption electrical - pneumatic converting unit and low power - consumption control circuit solution which is based on piezo ceramic principle and meet the requirements of intrinsically safe explosion - proof ( ib ct5 ) ; general software solution which realizes the goal of intelligence and hart communication function ; reliability design solution which answers the purpose of mtbf 16000 hours and regard electrocircuit, machine unit and software as main parts

    本課題以氣動調節閥的智能化為研究目標，提出了實現氣動執行器智能化的總體方案。並對其中幾個關鍵技術難題進行了研究分析：以滿足本安型防爆要求（ ib ct5 ）的基於壓電陶瓷原理的電氣（ i / p ）轉換單元、低功耗的控制電路方案；以實現智能化和hart網路通訊功能為目標軟體總體設計方案；以mtbf 16000小時為目標和以電子電路、機械零部件、軟體為主體的整機可靠性設計方案。
  5. Simulation and showing image of running system, so the following work must be researched : 1. firstly reliability of five - step ship gate control system scheme is analyzed applying fault tree analysis ( fta ), obtaining fault trees, and on the base of the trees, mean time between fault ( mtbf ) of different control schemes is calculated, at last several important points helping to reliability of system are obtained

    首次提出了應用故障樹分析法（ fta ）對五級船閘控制系統設計方案進行可靠性分析和評估，得到故障樹分析圖。以此圖為基礎，計算出了系統在不同控制方案時的平均無故障時間（ mtbf ） ，並對主要元器件進行重要度計算，比較出它們對系統故障的影響程度。
  6. With 1. 2 million hours mtbf, enterprise duty cycle, 5 - year limited warranty, next - generation sata technology, and state - of - the - art vibration tolerance, wd raptor drives offer the best combination of reliability, high capacity, and performance for enterprise applications

    Wd raptor猛禽硬盤的mtbf高達120萬小時，保修5年，並應用了企業負載循環，新一代sata技術和最新的抗震技術，為企業應用提供了可靠性高容量和性能的最佳組合。
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