reliability probability 中文意思是什麼

reliability probability 解釋
可靠性概率
  • reliability : n. 可靠性,安全性,確實(性)。
  • probability : n 1 或有;或然性。2 【哲學】蓋然性〈在 certainly 和 doubt 或 posibility 之間〉。3 【數學】幾率,...
  1. Precision and reliability are two contradictory aspects of the theory of interval estimates. to find a confidence interval of prescribed width and prescribed probability is of groat importance in practical applications, arid thereby sequential procedures have to be employed in many cases

    精確度與可靠度是區間估計理論中互相矛盾的兩個方面,尋找同時滿足精確度與可靠度的區間估計在實際應用中具有重要價值。
  2. As a practical application, the safety situation of jiujiang dike under the 1998 pluvial condition of once a hundred years in yangtze river has been evaluated by the reliability method from the point view of the seepage stability in terms of probability analysis and two dimensional saturated seepage finite element analysis combining with the mechanism of seepage burst in jiujiang dike summarized in the thesis

    通過滲流有限元和滲流可靠性分析論證了1998長江流域特大洪水災害中九江市防護大堤發生的嚴重潰口破壞的滲流破壞機理。分析、比較得出結論:堤防下游坡腳的出逸比降接近和超過臨界比降,在1998年長江百年一遇的洪水條件下九江大堤潰口斷面的抗滲可靠性僅在55左右的非常低水平。
  3. The representative failure models of arch rib are searched and the rib section resistances are calculated by incremental method and disadvantage loading in the control sections. the structure reliability assessment index on bearing capacity of the arch - bridge is calculated by the function of bearing capacity reliability, structure resistance probability model, load action effect probability model and jc method

    對每種荷載布置型式,採用荷載增量法進行拱橋結構失效模式的尋找和截面抗力的計算,給出其承載力可靠度功能函數,推導功能函數中結構抗力和作用效應概率模型,並利用改進的一次二階矩法計算在用拱橋承載力可靠度指標評估值。
  4. According to probability analyzing, this method can get rid of a part of bad data enhancing the reliability of data greatly

    通過概率分析,該方法可將部分錯誤數據剔除,大幅度提高數據的可靠性。
  5. These including : based on the reliability checkout of experiment data, the optimum fit of probability model by finite contrast method can be used to avoid type ii error and the estimation of distribution parameter with extended bayesian method to avoid the phenomenon that the results err from matrix owing to the lack of experiment data

    主要做了以下工作:在土工實驗數據進行可靠性檢驗的前提下,用優度檢驗的有限比較法擬合概率模型,可以避免納偽現象的發生:用經驗bayes方法估計分佈參數可以解決由於實驗數據不足而可能導致的估計結果背離母體的現象。
  6. The modern robust design detailed the robust design based on engineering model, which explained the specific design process, the whole process from founding system model to solving it. it obtained the optimum combination of parameters and the maximum manufacturing errors, using fuzzy comprehensive judgment to dispose the problem of many targets, handling the design results by fuzzy probability to increase the reliability of the design. in the end, there supplied an example, the optimization design of a long distance hydraulic cylinder to interpret the specific design process, achieving its optimum combination and the maximum manufacturing errors, and verifying the practicability of the design results by the method of fuzzy probability analysis

    在第二部分的基於試驗設計的穩健設計中,先對傳統的穩健設計,即三次設計(功能設計、參數設計及容差設計)的設計過程及原理進行了分析,指出了傳統穩健設計法中的不足,即沒有充分利用數字計算機的強大優勢;對于多因素多指標的設計,試驗周期長、計算復雜等造成設計周期長、成本高、效率低等缺點提出了改進的措施,即將虛擬現實技術應用於傳統的穩健設計中,通過模糊數學的方法(模糊綜合評判)來處理設計中的多指標問題,使設計達到事半功倍的效果。
  7. Then, with the concept of accumulated failure probability, the proposed approach combines the least ? quares method with bayes " theorem, takes advantage of the parameter estimation for single weibull distribution to each derived subgroup data set, and estimates the parameters of each subpopulation. the estimates given by this paper also satisfy the maximum likelihood equation. the mean time to failure and the reliability estimation of the mixed population are given

    然後通過利用累積失效概率等概念,對每個導出的子組數據集聯合運用最小二乘法、貝葉斯定理和對單一威布爾分佈的參數估計法,從而得到每個子總體的滿足極大似然原理的參數估計,給出了該混合總體平均壽命和可靠度的估計。
  8. Reliability assessment of xi - luo - du underground water - power plant : the results have been used by the cheng - du surveying, design and research institute for the preliminary design ; ( 2 ) the stress and strain analysis for the xiao - guan - zi sluice and its foundation : the report has been applied for the reinforcement of the foundation ; ( 3 ) the thermal control procedure for the no. 7 - 14 power plant dam segments of the three gorge project : the research report provides the effective and efficient methods for the controlling of the temperature field in the mass concrete structure ; ( 4 ) the software system development for the long - term monitoring for dikes : the software can automatically give the results of the seepage field and the probability of soil piping of dikes and underground ; ( 5 ) reliability assessment of xiang - jia - ba underground water - power plant : the results have been used by the zhong - nan surveying, design and research institute for the preliminary design ; ( 6 ) fatigue reliability estimation of shipping berthing pillar : the results give the optimized design scheme and prediction of the structural age ; ( 7 ) 3 - d static and dynamic stochastic finite element analysis for the strength, stability and thermal control problem for xi - luo - du project

    溪洛渡水電站超大型地下洞室群圍巖穩定的安全可靠性分析:被成都勘測設計研究院應用於比選報告及可行性論證中; ( 2 )小關子水電站攔河閘壩及地基的應力應變分析:被成都勘測設計研究院應用於地基加固處理方案; ( 3 )三峽廠房7 # - 14 #壩段溫控並縫措施研究:為廠房壩段並縫方案的可行性提供了依據; ( 4 )堤防工程體系的長期監控預報預警決策系統開發:為監控、預測預報堤防滲漏管涌破壞提供分析軟體; ( 5 )向家壩地下洞室群圍巖穩定的安全可靠性分析:被中南勘測設計研究院應用於初步設計方案中; ( 6 )靠船墩的疲勞可靠度研究:為廣東航運規劃設計院的靠船墩優化設計和加固提供依據; ( 7 )溪洛渡高拱壩壩體壩基(壩肩)強度和穩定的三維靜動力隨機有限元分析及可靠度計算:為溪洛渡重大工程壩體的靜動力安全穩定性及溫控方案提供依據。
  9. Based on the count of failure in the samplers, this paper analyzes the weak link of the quality of domestic automobile products. with the help of mathematical statistics and automobile reliability theory, we get the failure law of bus, truck and car of the domestic automobile industry and their failure distribution function, reliability function, probability density function, and failure rate function. accordingly, the present situation of reliability in domestic automobile products is expounded

    本文通過對樣車的故障進行統計,分析了我國汽車產品質量的薄弱環節,並藉助數理統計手段和汽車可靠性理論,得出了國產客車、載貨汽車以及轎車的故障規律和相應的故障分佈函數、可靠度函數、故障密度函數及故障率函數,論述了國產汽車產品的可靠性現狀。
  10. On the one hand, there is grea t influence of temperature field factor and reliability theory on the wear process of parts, which cannot be ignored ; on the other hand, because of the uncertainties of outer circumstances were longevity should adopt the expression form of probability longevity

    一方面,溫度和應力一樣對零件的磨損過程影響很大,都應納入磨損的計算過程中;另一方面,外界環境的不確定因素很多,磨損壽命應該採用概率壽命的表述形式。
  11. The living example analysis shows that the two results are not only equal according to the full probability formula and deleting truth subsets in the calculation of system reliability for mine ventilation network based on boolean manipulation and minimization algorithm in the independence minimal path sets, but also it is fewer to possess boolean manipulations in the calculation and the calculating program is simplified greatly to the method of boolean manipulation and minimization algorithm in the independence minimal path sets

    實例分析表明:採用升序排列的最小獨立路集並按不交型積之和定理予以真子集滌除的不交化處理后,不僅計算值等同於一般網路分析中用全概率公式計算的礦井通風網路系統可靠度,而且,計算工作量大為簡化。
  12. Then, probability prediction model of durable life is founded. through discussing the probability characteristics of influencing factors, the law of durable reliability is analyzed, and the prediction method is validated by the experimental data

    建立了基於規定可靠指標的混凝土耐久壽命的隨機預測模型,通過探討影響因素的概率分佈,分析了耐久可靠性的發展規律,運用工程實際檢測數據對本文提出的耐久壽命方法進行了驗證。
  13. Based on the current research achievements on durability under chloride environment, probability theory, structural reliability theory, concrete structures theory, neural network theory and structure dynamic theory are employed comprehensively in this dissertation. some problems of durability of reinforced concrete structures under chloride environment were studied through the exploitation of experimental data, the rule of chloride ingress and steel bar corrosion, the performance of corroded member, and residual life prediction. the main issues and results in this dissertation are as follows : 1 、 the probability method for the prediction of durable life based on the stipulated reliability index for concrete structures under chloride environment is presented in this dissertation

    本論文在國內外對氯離子侵蝕環境下混凝土結構耐久性研究成果的基礎上,綜合運用概率理論、結構可靠性理論、混凝土結構理論、神經網路理論、結構動力學理論等基本理論和方法,結合實際檢測數據,按照氯離子侵蝕、鋼筋銹蝕、銹蝕構件性能、銹蝕構件壽命預測的思路對氯離子侵蝕環境下鋼筋混凝土結構耐久壽命預測的有關問題進行了深入系統地研究,完成以下主要研究工作並取得相應成果: 1 、提出了氯離子侵蝕下基於規定可靠指標的混凝土結構耐久壽命的概率計算方法。
  14. Based on the statistic values of the bars " strength fracture experiment, the failure probability theoretical value of five bars truss structure is obtained. with the aid of the theory of the incremental load method [ icm ], the failure probability experiment plan of the five bars truss structure is discussed. some problems of using the icm in the five bars truss structure reliability experiment are analyzed, and some author ' s opinions are presented

    通過桿元的拉伸破壞實驗,得到了五桿桁架結構失效概率的理論值;結合增量載荷法,給出了進行桁架結構體系失效概率實驗的實驗方案;分析了應用增量載荷法進行五桿桁架結構失效概率實驗所面臨的問題,提出了一些個人的見解和建議。
  15. Though scholars at home and abroad had made corresponding research during the last century and at the same time they had made great achievements, most of them confine themselves to the research on perfect pile buckling, not considering the influence of many special situations such as the initial bend, the defects in construction and the layered soil, etc. . the reliability design has not been advanced according to the design method of probability theory until recent years

    基樁的屈曲分析是一個相當復雜而又具有實際工程意義的課題,其影響因素繁多。盡管國內外學者上世紀就已有相應的探討,取得了許多研究成果,但大多局限於對基樁本身的屈曲研究,而未考慮基樁本身的初始彎曲、施工缺陷和土體分層等諸多特殊情況的影響。
  16. In the sense of mean squares, maximum likelihood estimator, best linear unbiased estimator, taest linear invariant estimator, and good linear estimator are contracted. fourth, proposed and researched the reliability analysis method under the zero - failure data and doof data. based on the part beta distribution as the prior distribution of failure probability p, = p ( t < r, }, hierarchical bayesian estimate method was discussed, obtain the reliability analysis method under the zero - failure data and the doof data

    第四,提出並研究了無失效數據類型和doof數據類型下電連接器的可靠性分析方法,提出了以不完全beta分佈為一級先驗分佈,超參數為[ 0 , 1 ]上的均勻分佈作為失效概率先驗分佈的多層bayes方法,結合加權最小二乘法解決了產品在無失效數據和doof數據下的可靠性分析問題。
  17. Its applications include in the fields of information engineering, electronics industry, theory of controls and economic, etc. for example, we use geometric distribution to describe the life distribution of runs of a species in transect surveys of plant populations and inventory demand distributions. in the theory of reliability, geometric distribution is one of the most important discrete probability distributions because of its loss of memory

    在可靠性理論中,由於幾何分佈的無記憶性,使得其是離散型壽命分佈中最為重要的壽命分佈之一,其相當于指數分佈在連續型壽命分佈中的地位,這正如程侃研究員在文獻[ 5 ]中所指出的「在離散壽命的情形,幾何分佈起著連續情形下指數分佈所起的作用」一樣。
  18. The foundation engineering is typical in both excavation depth and scale, on the basis of in - situ investigation, the design optimistic of retaining wall was discussioned in this paper, the mian reseaches including : the using of fem optimazition methods of rods system ; the delvopment of programs for optimazition of imbedding depth of structure based on matlab and for whole design optimaziton of the retaining structures based on ansys, under the two controlling factors of the saft coefficient and the reliability probability about the whole damage of retaining atructure ; the analysis on the m index of soil, the depth of retaining structures imbedded in the rock and the overall optimistic design of retaining structures

    該基礎工程不論在開挖深度還是規模上都很具有代表性。作者在現場調研的基礎上,探討了基坑支護結構設計優化問題。主要研究內容可以歸納為:應用基於m法的彈性地基梁桿系有限元方法;在圍護結構整體穩定性安全系數與可靠性破壞概率兩種控制因素下,編寫了嵌巖深度優化的matlab程序與圍護結構整體設計優化的ansys批處理程序;進行了地層抗力比例系數反算、地下連續墻嵌巖深度優化與地下連續墻結構體系整體設計優化。
  19. This paper discusses the conception of non - destructive inspection reliability of offshore structures and indicates that it is not sufficient to evaluate the inspection reliability of offshore structure by the conventional evaluation index ( probability of detection ( pod ) only )

    摘要對海洋結構無損檢測可靠性概念進行了探討,指出了常規評價指標僅以探測概率評價海洋結構檢測可靠性的不足,並對常規評價指標進行了修正。
  20. Based on probability statistics and structure reliability theory, a method of calculating the durability period and reliability probability of reinforced concrete exposed to chloride environments is presented. the target reliability level that the time of reinforcement initial corrosion in concrete structure exposed to chloride environments is proposed in this paper. a method of predicting service life of concrete structure exposed to chloride environments is given in this paper

    建立了氯腐蝕環境下混凝土結構中鋼筋開始銹蝕的條件和耐久性極限狀態方程以及氯腐蝕環境下混凝土結構的壽命評估準則;以結構可靠度理論為基礎,提出了混凝土結構的耐久性分析方法和壽命預測方法,給出了氯腐蝕環境下混凝土中鋼筋不發生銹蝕的目標可靠指標,並結合一具體工程進行了耐久性評估。
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