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Methods for global reliability evaluation of any large complex system 大型复杂系统的整体可靠性评估方法
Reliability Engineering Pub Date : 1987-01-01 DOI: 10.1016/0143-8174(87)90052-7
M.A. Samad
{"title":"Methods for global reliability evaluation of any large complex system","authors":"M.A. Samad","doi":"10.1016/0143-8174(87)90052-7","DOIUrl":"10.1016/0143-8174(87)90052-7","url":null,"abstract":"<div><p>Global reliability (g-reliability) of any complex system is defined and two simplified different methods for evaluating the same are proposed. Both the proposed methods are conceptually simpler and computationally efficient for g-reliability evaluation of any large complex system and effectively applicable to its proper form. They therefore require less computer memory and computational efforts as compared to other existing methods. Proposed methods are applicable to the network having both nodes and branches of finite non-zero failure probability. The efficiency of each method increases with the complexity of the network. Both the proposed methods are also illustrated with examples to demonstrate the effectiveness of each method.</p></div>","PeriodicalId":101070,"journal":{"name":"Reliability Engineering","volume":"18 1","pages":"Pages 47-55"},"PeriodicalIF":0.0,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0143-8174(87)90052-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77419313","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
A Bayes approach to reliability assessment for systems with dependent components 具有相关组件的系统可靠性评估的贝叶斯方法
Reliability Engineering Pub Date : 1987-01-01 DOI: 10.1016/0143-8174(87)90080-1
John Yuan
{"title":"A Bayes approach to reliability assessment for systems with dependent components","authors":"John Yuan","doi":"10.1016/0143-8174(87)90080-1","DOIUrl":"10.1016/0143-8174(87)90080-1","url":null,"abstract":"<div><p>In order to establish a feasible and useful reliability evaluation model for a network system of dependent components, the failure of a component is distinguished into many states artificially, according to the causes which bring about such a failure and the effects to the system in such a way that the failure rate of each state can be easily estimated. Such failure state of a component can be grouped into four types, single (stochastical independent), active, passive and common-cause failures.</p></div>","PeriodicalId":101070,"journal":{"name":"Reliability Engineering","volume":"17 1","pages":"Pages 1-8"},"PeriodicalIF":0.0,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0143-8174(87)90080-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89511336","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Modelling the reliability of sodium sulphur cells 模拟钠硫电池的可靠性
Reliability Engineering Pub Date : 1987-01-01 DOI: 10.1016/0143-8174(87)90011-4
R.O. Ansell, J.I. Ansell
{"title":"Modelling the reliability of sodium sulphur cells","authors":"R.O. Ansell,&nbsp;J.I. Ansell","doi":"10.1016/0143-8174(87)90011-4","DOIUrl":"10.1016/0143-8174(87)90011-4","url":null,"abstract":"<div><p>One of the main influences on the reliability of sodium sulphur cells has been identified to be the cracking of beta alumina ceramic. Several ceramic degradation mechanisms have been proposed; flaw-dependent, subcritical crack growth, stress corrosion cracking and progressive degradation mechanisms. These are reviewed in the paper. Reliability models based on these mechanisms are considered, and methods to distinguish between the models are developed. None of the models seems clearly to account for the empirical results obtained. The authors develop an alternative model. The method developed may be used for other similar processes.</p></div>","PeriodicalId":101070,"journal":{"name":"Reliability Engineering","volume":"17 2","pages":"Pages 127-137"},"PeriodicalIF":0.0,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0143-8174(87)90011-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74079021","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 24
New probabilistic risk assessment techniques and their application to the Chernobyl reactor accident 新的概率风险评估技术及其在切尔诺贝利反应堆事故中的应用
Reliability Engineering Pub Date : 1987-01-01 DOI: 10.1016/0143-8174(87)90023-0
{"title":"New probabilistic risk assessment techniques and their application to the Chernobyl reactor accident","authors":"","doi":"10.1016/0143-8174(87)90023-0","DOIUrl":"https://doi.org/10.1016/0143-8174(87)90023-0","url":null,"abstract":"","PeriodicalId":101070,"journal":{"name":"Reliability Engineering","volume":"19 1","pages":"Pages 74-75"},"PeriodicalIF":0.0,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0143-8174(87)90023-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134684693","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Efficient Computation of k-to-l-out-of-n System Reliability k-to-l-out- n系统可靠性的高效计算
Reliability Engineering Pub Date : 1987-01-01 DOI: 10.1016/0143-8174(87)90066-7
{"title":"Efficient Computation of k-to-l-out-of-n System Reliability","authors":"","doi":"10.1016/0143-8174(87)90066-7","DOIUrl":"https://doi.org/10.1016/0143-8174(87)90066-7","url":null,"abstract":"","PeriodicalId":101070,"journal":{"name":"Reliability Engineering","volume":"19 4","pages":"Page I"},"PeriodicalIF":0.0,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0143-8174(87)90066-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136980827","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Some tests for mean residual life criteria based on the total time on test transform 基于试验变换总时间的平均剩余寿命准则的一些试验
Reliability Engineering Pub Date : 1987-01-01 DOI: 10.1016/0143-8174(87)90104-1
A.M. Abouammoh, A. Khalique
{"title":"Some tests for mean residual life criteria based on the total time on test transform","authors":"A.M. Abouammoh,&nbsp;A. Khalique","doi":"10.1016/0143-8174(87)90104-1","DOIUrl":"10.1016/0143-8174(87)90104-1","url":null,"abstract":"<div><p>Let F be a life distribution with survival function <span><math><mtext>F</mtext><mtext> = 1 − </mtext><mtext>F</mtext></math></span> and finite mean <span><math><mtext>μ = ∫</mtext><msub><mi></mi><mn>0</mn></msub><msup><mi></mi><mn>∞</mn></msup><mtext> </mtext><mtext>F</mtext><mtext>(</mtext><mtext>x</mtext><mtext>)d</mtext><mtext>x</mtext></math></span>. The scaled total time on test transform is defined by <span><math><mtext>φ</mtext><msub><mi></mi><mn>F</mn></msub><mtext>(t) = (1/μ) ∫</mtext><msub><mi></mi><mn>0</mn></msub><msup><mi></mi><mn><mtext>F</mtext><msup><mi></mi><mn>−1(t)</mn></msup></mn></msup><mtext> </mtext><mtext>F</mtext><mtext>(x)</mtext><mtext>d</mtext><mtext>x</mtext></math></span>. In this paper, the properties of <span><math><mtext>φ</mtext><msub><mi></mi><mn>F</mn></msub><mtext>(t)</mtext></math></span> for some criteria of the mean residual life are investigated. These criteria include decreasing mean residual life average, decreasing harmonic mean residual life average, new better than used harmonic mean residual and new better than used mean residual life. Some test statistics for testing exponentially against all these mean residual life criteria are proposed. The distributions of the test statistics are investigated for small statistics samples. Powers of some of these tests are estimated by simulation.</p></div>","PeriodicalId":101070,"journal":{"name":"Reliability Engineering","volume":"19 2","pages":"Pages 85-101"},"PeriodicalIF":0.0,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0143-8174(87)90104-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90534601","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
The load optimization of a repairable system with gamma-distributed time-to-failure 具有分布故障时间的可修系统的负荷优化
Reliability Engineering Pub Date : 1987-01-01 DOI: 10.1016/0143-8174(87)90032-1
Jerzy Filus
{"title":"The load optimization of a repairable system with gamma-distributed time-to-failure","authors":"Jerzy Filus","doi":"10.1016/0143-8174(87)90032-1","DOIUrl":"10.1016/0143-8174(87)90032-1","url":null,"abstract":"<div><p>We consider a system which supports a load in such a way that the profit earned by the system for one time unit is a continuous and increasing function of the amount of the load. The time-to-failure distribution of the system is assumed to be gamma. Both parameters of the distribution are continuous functions of the load such that the mean time-to-failure is a decreasing function of the load.</p><p>The system earns the profit only when it is on. When it is off, it is repaired, and the losses are assumed to be proportional to the repair time. We define the average asymptotic gain earned by the system in a single time unit; this quantity can be thought of as a system efficiency measure.</p><p>Assuming that the load is a controllable variable, the goal is to find a value of the load that maximizes the so-defined efficiency. To model the relationship between the load and the parameters of the time-to-failure distribution (gamma) as well as the relation between the load and the profit, power and exponential functions have been taken.</p><p>The analytical conditions for the existence of maximum positive gain and the analysis of the behaviour of the gain as the load varies are presented.</p></div>","PeriodicalId":101070,"journal":{"name":"Reliability Engineering","volume":"18 4","pages":"Pages 275-284"},"PeriodicalIF":0.0,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0143-8174(87)90032-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90089047","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Fast availability simulation 快速可用性仿真
Reliability Engineering Pub Date : 1987-01-01 DOI: 10.1016/0143-8174(87)90096-5
D.B. Parkinson
{"title":"Fast availability simulation","authors":"D.B. Parkinson","doi":"10.1016/0143-8174(87)90096-5","DOIUrl":"10.1016/0143-8174(87)90096-5","url":null,"abstract":"<div><p>The Availability of a system, device or component in an operational cycle, defined by normal operation—malfunction (failure) — wait — repair, is considered and defined in the form of a random variable. By the use of the fast convolution techniques originally developed for structural reliability applications, the cumulative distribution function of this random variable is obtained together with its mean (equivalent to the long run Average Availability) and standard deviation. The technique described includes preventive maintenance, may be used with any assumed probability distributions of failure, waiting, repair and preventive maintenance times, and may take account of correlation between these parameters. The results are equivalent to those which may be obtained by conventional numerical simulation of repair cycles, but the procedure described is likely to be faster and more economical of computing time and amenable to use on microcomputers.</p></div>","PeriodicalId":101070,"journal":{"name":"Reliability Engineering","volume":"18 3","pages":"Pages 157-176"},"PeriodicalIF":0.0,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0143-8174(87)90096-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81087400","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Application of operator error analysis in the design of Sizewell ‘B’ 算子误差分析在Sizewell ' B '设计中的应用
Reliability Engineering Pub Date : 1987-01-01 DOI: 10.1016/0143-8174(87)90063-1
D.P.D. Whitworth
{"title":"Application of operator error analysis in the design of Sizewell ‘B’","authors":"D.P.D. Whitworth","doi":"10.1016/0143-8174(87)90063-1","DOIUrl":"10.1016/0143-8174(87)90063-1","url":null,"abstract":"<div><p>A programme of operator error analysis is being carried out for the Sizewell ‘B’ PWR design. This paper describes the methods used, the analysis which has been carried out, preliminary results and design changes which have been incorporated to reduce the risk. At this stage, systematic identification and reduction of risk from operator error has been achieved. Further analysis and quantification of error is required to substantiate that the risk arising from operator error does not dominate the risk due to mechanical plant failures.</p></div>","PeriodicalId":101070,"journal":{"name":"Reliability Engineering","volume":"19 4","pages":"Pages 299-316"},"PeriodicalIF":0.0,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0143-8174(87)90063-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84461441","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Check valve selection 单向阀选择
Reliability Engineering Pub Date : 1987-01-01 DOI: 10.1016/0143-8174(87)90037-0
{"title":"Check valve selection","authors":"","doi":"10.1016/0143-8174(87)90037-0","DOIUrl":"https://doi.org/10.1016/0143-8174(87)90037-0","url":null,"abstract":"","PeriodicalId":101070,"journal":{"name":"Reliability Engineering","volume":"18 4","pages":"Pages 304-305"},"PeriodicalIF":0.0,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0143-8174(87)90037-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"92091621","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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