壽命試驗數據 的英文怎麼說

中文拼音 [shòumìngshìyànshǔjù]
壽命試驗數據 英文
life test data
  • 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
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 據 : 據Ⅰ動詞1 （占據） occupy; seize 2 （憑借; 依靠） rely on; depend on Ⅱ介詞（按照; 依據） according...
  • 試驗 : trial; experiment; test
  • 數據 : data; record; information
  1. Moreover, base on lots of test data, fatigue life estimation is finished by help of miner, opposite miner rule and fracture mechanics theory. theoretic results and test data are well fit to each other

    另外，本文在大量試驗數據的基礎上，依據miner法則、相對minar法則以及斷裂力學理論，對40cr高強螺栓的疲勞壽命估算進行了系統研究，理論分析結果與試驗值的規律性吻合較好。
  2. Second, carried out the fatigue life test of the truck ' s front axles adopted grouping fatigue life test method, calculated the results on theory of probability stats, linear fitted the fatigue life data by means of the basquin equation and least squares method, acquired the mathematical model of s - n and p - s - n curve of the front axles

    其次，採用成組試驗法，對汽車前橋進行了疲勞壽命試驗，藉助概率統計方法對試驗結果進行了分析計算，得到了各試驗載荷下的疲勞壽命的正態分佈的均值和標準差，採用basquin關系式和最小二乘法對疲勞壽命數據進行線性擬合，得到了前橋的s - n和p - s - n的關系。
  3. This method can be applied to the data of product usage and life test, namely, to access the confidence lower limit for the mean residual life under the condition of product normal working period at a certain given probability, which gives the reference for the plan of instrument life prolong and maintenance

    使用該方法，利用產品的使用及壽命試驗數據，即可對產品在給定概率下和正常工作一定時間后的平均剩餘壽命置信下限進行評枯，為延壽使用及維修計劃的制定提供依據。
  4. The existed material fatigue performance test curves are dealt with and analyzed, and the non - dimensional stress - strain curve, tangent modulus factor curve and fatigue life curve are drawn based on the experiment data, and these three non - dimensional parameter curves are used to find the inherent rules that the test curves can be replaced each other to some extent. it can be concluded that if the common character and system error of these materials are found, the test curve of a certain material can be used for reference by another material. this is a simple approach about fatigue life estimate and is engineering practical

    對已有的材料力學疲勞性能試驗曲線進行分析整理，利用試驗數據繪制了相對應力應變曲線、切線模量因子曲線和疲勞壽命曲線，利用這三種無量綱參數曲線發現了其中存在的規律性，即在某種程度上實驗曲線可以互相取代，並用試驗數據對此進行了討論，並由此推斷，如果找出材料彼此的共性或彼此之間的系統誤差就可以將一種材料的試驗曲線供其它材料參考使用，這是一種估算材料的疲勞壽命的簡便方法，對工程而言具有實用性。
  5. Based on the principle of the cooperation, i. e, the correlative stochastic equations are located on the same probability level, the linear regression with fuzzy weight analysis is adopted to fit the test data, and the three - parameter stress - life curves of the mean and the mean square deviation are obtained

    根據協同原理，即相關聯的隨機方程動態地處于同一概率水準，採用模糊隨機加權線性回歸方法對試驗數據進行擬合，得到了三參數的應力-壽命模型均值和均方差曲線，從而求得在給定應力下各可靠度的疲勞壽命。
  6. Under operation system of dos and windows, control software is developed respectively. the wave of voltage and current as the ac contactors switch - on and switch - off is displayed dynamically, which make the equipment not only used as general electric life test instrument, but can apply test date for contactor study

    在控制軟體方面，分別完成dos平臺和windows平臺控制軟體設計，實現了交流接觸器觸點閉合與斷開時刻電壓、電流波形動態顯示功能，使該裝置不僅能作為交流接觸器常規電壽命試驗裝置，還對接觸器觸點的研究提供必要的試驗數據。
  7. Furthermore, by integral method, all test data at different aging temperatures can be analyzed as an integration, so the prediction precision of storage life can be increased with the same specimens, or specimens can be saved in the same precision by this method

    而且，固體推進劑貯存壽命整體預測方法能將各個老化溫度下的固體推進劑試驗數據作為一個整體進行統計分析，具有更大的信息量，可以提高壽命預測精度或節省大量試樣。
  8. Finally, bayesian fusion algorithm with weibull distribution has been studied in detail by using he - ne laser life test data., which includes three aspects, that is, the selection of weibull distribution model, the posterior distribution of weibull parameters with multiple a priori information and the dynamic modeling method of weibull distribution parameters under the condition of different test environments

    最後，結合he - ne激光器壽命試驗數據，重點研究了威布爾分佈的bayes融合估計演算法，主要包括以下三個方面的問題，即:威布爾分佈模型選擇、多源驗前信息的威布爾分佈參數的驗後分布、不同環境下的威布爾分佈參數的動態建模方法。
  9. Reliability calculation of zero - failure data in life test

    產品壽命試驗中無失效數據的應用方法研究
  10. Due to the improvement of reliability life of electric apparatus, little fail data and zero fail data would be obtained easily in the life testing

    由於電器產品可靠性壽命的不斷提高，在壽命試驗中常會出現小子樣數據和無失效數據。
  11. Two new methods have been put forward to estimate the reliability characteristic parameter. a software package has been developed to process the data obtained from reliability testing for electric apparatus. it consists of both the determination of failure distribution and the estimation of reliability characteristic parameter

    最後，設計出電器可靠性試驗數據處理軟體包，此軟體包含了產品失效分佈類型的確定和可靠性試驗結果為大子樣、小子樣、無失效數據時可靠性特徵量的估計方法，以及恆定應力加速壽命試驗數據下的可靠性特徵量的估計方法。
  12. Based on the study of strength degradation of material in the fatigue process, a strength degradation model is proposed. a stochastic differential equation, which controls strength degradation, is obtained from the model randomized by markov process. by using the theory of stochastic, the distributions of residual strength at any given lifetime and lifetime of any given residual strength are attained. under a few suitable hypotheses, inverse gaussian distribution of fatigue life is derived, and verified by means of experimental data. the result shows that the model and the method are reasonable

    在研究疲勞過程中材料強度退化規律的基礎上，建立了一個強度退化模型.對其進行隨機化處理，得到控制強度退化過程的隨機微分方程.在一定假設條件下，獲得了剩餘強度概率密度函數的封閉解，並推導出疲勞壽命的反高斯分佈形式.給出一種考慮損傷狀態對隨機漲落影響的近似處理方法.與試驗數據的比較結果表明，本文的模型和方法是合理的
  13. Theory analysis and experimental results show that the rate of the unqualified product can be decreased and the life time can be lengthened when the aging time, set scientifically

    理論分析與試驗數據都表明，科學設定老化時間，對降低服務器產品的出廠不良率，提高服務器產品的使用壽命都起著關鍵性作用。
  14. And the finite element method ( fem ) was used to simulate the stress and deformation of the outer casing and the bearing chock. on the basis of the experiments and fem analysis, the strength and fatigue lifetime, the interaction of creep and fatigue lifetime, the creep lifetime of outer casing and bearing chock have been analyzed, at the end of trail, sem analyses of failure section has been conducted

    同時對航空發動機燃氣渦輪外機匣和軸承座進行了有限元模擬計算，得到外機匣和軸承座的焊接處的強度和變形情況的模擬結果。根據試驗數據和有限元的計算結果，對發動機燃燒室外機匣和軸承座兩種結構（包含焊縫）進行靜強度分析、疲勞壽命分析、蠕變壽命分析、蠕變疲勞交互作用壽命分析以及斷口的金相分析。
  15. Maximum likelihood estimation in the simple step - stess accelerated life testing based on grouped data

    分組數據下簡單步進應力加速壽命試驗的極大似然估計
  16. Statistical analysis of mixed data in weibull distribution from life test under stepwisely acceterated stress

    三參數威布爾分佈條件下的無線電引信步進應力加速壽命試驗與數據處理
  17. In this research, fatigue life of laminate composite is predicted phenomenologically, dealing mainly with in - plane stresses without accounting for out - of - plane failures such as delamination. fatigue modulus is used as a physical parameter which helps to describe the basic fatigue behaviour of unidirectional laminates and obtain expressions for cumulative damages defined by strains. based on some typical fatigue test data for unidirectional composite laminates, a cumulative fatigue damage model is presented for predicting the fatigue life of multidirectional laminates with arbitrary stacking sequence under complicated fatigue loadings

    本文以碳纖維/樹脂基t300 / qy8911層壓結構為研究對象，從唯象的觀點出發，以疲勞模量為參量構造損傷函數，基於幾組最典型的單向板疲勞試驗數據，建立單向板在多軸循環應力作用下的疲勞壽命模型，並以此為基礎，發展同種材料體系的任意鋪層形式的多向層壓板在復雜循環載荷作用下的疲勞壽命預測方法。
  18. It has shown by the uncertainty of the data of fatigue experimentation and the size deviation of machine accessory and structure component and the original defect of materials that all of the stress and intensity and the factors that affect them are stochastic variables, so we should deal with the problem of fatigue by the method of probability and statistics to making the engineering life deduced by fatigue intensity to be the reliable life under a certain probability

    疲勞試驗數據的離散性，零件和構件加工允許的尺寸偏差，材料中分佈的原始缺陷，以及受載零件危險部位應力響應的分佈特性等，都說明應力和強度以及影響它們的因素都是隨機變量，它們有各自的分佈形式，應該用概率統計理論和方法來處理，才能使疲勞強度在工程中所確定的壽命，成為保證某一概率下的可靠壽命。
  19. The s - n curve, the mathematical relationship of bend fatigue strength or life to strengthening loads and strengthening cycles, the maximum increments of fatigue strength and life were obtained by experimental digital processing

    通過對試驗數據的處理，得到了兩種結構彎曲疲勞強度的s - n曲線、彎曲疲勞強度和疲勞壽命與強化載荷、強化次數之間的數學關系，以及經過低載強化后彎曲疲勞強度和疲勞壽命提高的最大幅度。
  20. Fifth, through statistical analysis of electrical connector accelerated life test data, verified that the reliability statistical model of electrical connector and the reliability statistical method under doof data are both correct. applied the maximum likelihood estimate method with the least squares estimator of test data as preliminary estimate and weighted least square estimate method separate to treat the different kind test data, obtained the estimator of electrical connector reliability characteristic values

    第五，採用極大似然估計法和加權最小二乘法對電連接器加速壽命試驗數據進行了統計分析，得到了電連接器可靠性特徵量的估計值，驗證了電連接器可靠性統計模型和doof數據下可靠性分析方法的正確性。
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