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Annual Reliability and Maintainability Symposium. 2002 Proceedings (Cat. No.02CH37318)最新文献

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Fault information model and maintenance cycle forecasting for ship's power system 船舶电力系统故障信息模型与维修周期预测
Annual Reliability and Maintainability Symposium. 2002 Proceedings (Cat. No.02CH37318) Pub Date : 2002-08-07 DOI: 10.1109/RAMS.2002.981683
Gu Wei, Chu Jianxin
{"title":"Fault information model and maintenance cycle forecasting for ship's power system","authors":"Gu Wei, Chu Jianxin","doi":"10.1109/RAMS.2002.981683","DOIUrl":"https://doi.org/10.1109/RAMS.2002.981683","url":null,"abstract":"This paper suggests an information model of the fault variable rate. Based on the new model, the reliability of the ship's power system can be estimated, and the maintenance cycle can be predicted. The calculating method and application of results are discussed in detail. From the model analysis and the case study, the conclusion is: it is a practical new way to estimate the reliability and to calculate the maintenance cycle by the fault variable rate model. The state information can be obtained in terms of single-sample function, and the supervision for the system is simple and effective. Arrangement of the maintenance time, in reference to the new method, the operation and management of the ship's power system would be established on the basis of the scientific analysis. Because the fault variable rate model is especially suitable for the single-sample of the single-produced system, it can be used in the reliability analysis of other large-scale complicated systems-such as complicated control systems, etc.","PeriodicalId":395613,"journal":{"name":"Annual Reliability and Maintainability Symposium. 2002 Proceedings (Cat. No.02CH37318)","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116002085","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: 0
Random vibration analysis and parameter optimization 随机振动分析及参数优化
Annual Reliability and Maintainability Symposium. 2002 Proceedings (Cat. No.02CH37318) Pub Date : 2002-08-07 DOI: 10.1109/RAMS.2002.981645
Yongcang Zhang, Mingxiao Jiang
{"title":"Random vibration analysis and parameter optimization","authors":"Yongcang Zhang, Mingxiao Jiang","doi":"10.1109/RAMS.2002.981645","DOIUrl":"https://doi.org/10.1109/RAMS.2002.981645","url":null,"abstract":"Random vibration caused by the base excitation is a very common environment to many products, especially to those mounted on a vehicle. Two fundamental vibration models, single-degree-of-freedom (SDOF) and two-degree-of-freedom (TDOF) systems, are investigated for their reliability against the acceleration failure in this paper. The optimum parameters of the vibratory systems are researched to maximize the reliability. The proposed procedure is illustrated by two numerical examples.","PeriodicalId":395613,"journal":{"name":"Annual Reliability and Maintainability Symposium. 2002 Proceedings (Cat. No.02CH37318)","volume":"173 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123398764","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: 1
Analyzing fuzziness in product quality and reliability information-flow during time-driven product-development-process 时间驱动型产品开发过程中产品质量和可靠性信息流的模糊性分析
Annual Reliability and Maintainability Symposium. 2002 Proceedings (Cat. No.02CH37318) Pub Date : 2002-08-07 DOI: 10.1109/RAMS.2002.981693
Yuan Lu, A. Brombacher, E. den Ouden, P.M.W. Korvers
{"title":"Analyzing fuzziness in product quality and reliability information-flow during time-driven product-development-process","authors":"Yuan Lu, A. Brombacher, E. den Ouden, P.M.W. Korvers","doi":"10.1109/RAMS.2002.981693","DOIUrl":"https://doi.org/10.1109/RAMS.2002.981693","url":null,"abstract":"This paper provides a different angle to look at quality and reliability (Q&R) problem prediction in a time-driven product development process (PDP) where the Q&R information is highly uncertain. Through a case study, it is demonstrated that many of the critical Q&R problems in such a product development cannot be predicted due to highly fuzzy Q&R information. Therefore, a new tool, the reliability and quality matrix (RQM), was developed to overcome this difficulty. It is shown that RQM can not only quantitatively indicate the severity level of an identified Q&R problem but also reflect on its associated uncertainty level due to fuzzy Q&R information. RAM was developed as an enhancement of failure mode effect analysis (FMEA) or quality function deployment (QFD). If the quality of the input information is very good, RQM then presents only the results from FMEA or QFD. However, if uncertainty in the input information is obviously high, RQM can act as uncertainty/fuzziness reduction tool to strengthen the weakness of FMEA and QFD when dealing with fuzzy information.","PeriodicalId":395613,"journal":{"name":"Annual Reliability and Maintainability Symposium. 2002 Proceedings (Cat. No.02CH37318)","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127642083","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
Measuring RCM implementation 衡量RCM的实施
Annual Reliability and Maintainability Symposium. 2002 Proceedings (Cat. No.02CH37318) Pub Date : 2002-08-07 DOI: 10.1109/RAMS.2002.981695
D. C. Johnston
{"title":"Measuring RCM implementation","authors":"D. C. Johnston","doi":"10.1109/RAMS.2002.981695","DOIUrl":"https://doi.org/10.1109/RAMS.2002.981695","url":null,"abstract":"Reliability-centered maintenance (RCM) is a proven methodology for optimizing maintenance practices, but implementing an RCM program represents a major undertaking for an organization. An effective implementation must balance the organization's desire for progress with the need for quality RCM analyses to achieve bottom-line results. A well-organized suite of metrics can aid implementation. Such a system must measure progress, quality, and benefits, making these attributes widely accessible to those involved in management and implementation. Supporting systems must be designed to draw the data for these metrics without creating excessive overhead.","PeriodicalId":395613,"journal":{"name":"Annual Reliability and Maintainability Symposium. 2002 Proceedings (Cat. No.02CH37318)","volume":"15 5","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"113979932","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: 12
Maintenance-cost modeling for a refrigerated-trailer fleet 冷藏拖车车队的维护成本建模
Annual Reliability and Maintainability Symposium. 2002 Proceedings (Cat. No.02CH37318) Pub Date : 2002-08-07 DOI: 10.1109/RAMS.2002.981622
D. W. Nutter, C. Cassady, G. Taylor, Chen-ta. Wong
{"title":"Maintenance-cost modeling for a refrigerated-trailer fleet","authors":"D. W. Nutter, C. Cassady, G. Taylor, Chen-ta. Wong","doi":"10.1109/RAMS.2002.981622","DOIUrl":"https://doi.org/10.1109/RAMS.2002.981622","url":null,"abstract":"The distribution of many perishable products (e.g. frozen foods) requires the use of refrigerated trailers. Like most other systems, refrigerated trailers are subject to failures and repair upon failure. The purpose of this study was to model the costs of operational failures and repairs related to the refrigeration systems used in a fleet of refrigerated trailers. Specifically, the authors applied a modelling methodology to a fleet of refrigerated trailers affiliated with a large processed meat company, but the work presented in this paper is applicable to any organization having refrigerated transportation systems.","PeriodicalId":395613,"journal":{"name":"Annual Reliability and Maintainability Symposium. 2002 Proceedings (Cat. No.02CH37318)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132719512","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: 1
A failure-forecast method based on Weibull and statistical-pattern analysis 基于威布尔和统计模式分析的故障预测方法
Annual Reliability and Maintainability Symposium. 2002 Proceedings (Cat. No.02CH37318) Pub Date : 2002-08-07 DOI: 10.1109/RAMS.2002.981696
K. Fitzgibbon, R. Barker, T. Clayton, N. Wilson
{"title":"A failure-forecast method based on Weibull and statistical-pattern analysis","authors":"K. Fitzgibbon, R. Barker, T. Clayton, N. Wilson","doi":"10.1109/RAMS.2002.981696","DOIUrl":"https://doi.org/10.1109/RAMS.2002.981696","url":null,"abstract":"This paper presents a method that combines Weibull analysis and statistical algorithms to forecast failures, and the experimental results applied to electronic systems. The Weibull analysis is a classical method to forecast failures using risk analysis and the mean-time-to-failure (MTTF) parameter. Statistical pattern analysis can forecast failures based on performance information from the component. Performance can be monitored by analyzing test data collected during the system or component's operating life. Weibull analysis uses failure datum to estimate the MTTF. Statistical pattern analysis uses test data to identify statistical patterns such as trend lines.","PeriodicalId":395613,"journal":{"name":"Annual Reliability and Maintainability Symposium. 2002 Proceedings (Cat. No.02CH37318)","volume":"221 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133485127","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: 11
Reliability estimation of hierarchical software systems 分层软件系统的可靠性评估
Annual Reliability and Maintainability Symposium. 2002 Proceedings (Cat. No.02CH37318) Pub Date : 2002-08-07 DOI: 10.1109/RAMS.2002.981650
S.P. Leblanc, P.A. Roman
{"title":"Reliability estimation of hierarchical software systems","authors":"S.P. Leblanc, P.A. Roman","doi":"10.1109/RAMS.2002.981650","DOIUrl":"https://doi.org/10.1109/RAMS.2002.981650","url":null,"abstract":"The reliability evaluation of hardware systems is usually well integrated into the design process. Because it is done early, this reliability evaluation is useful in making design decisions. Software Reliability Evaluation (SRE), on the other hand, has been mostly conducted after development has been completed, therefore offering little or no input into the design. This paper proposes a simple approach to estimate the reliability of software systems that are composed of a hierarchy of modules. Furthermore, the proposed approach takes advantage of the familiar reliability block diagram (RBD) methodology, which has long been used for hardware reliability estimation. This paper demonstrates how RBD can be used to represent hierarchical software systems. Using this technique early in the development process can offer system designers the opportunity to conduct sensitivity analysis that combines both hardware and software components. Criticality is also shown to be useful in the proposed SRE approach. Examples are given to show how criticality makes the SRE more realistic than the use of RBD alone.","PeriodicalId":395613,"journal":{"name":"Annual Reliability and Maintainability Symposium. 2002 Proceedings (Cat. No.02CH37318)","volume":"75 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124137044","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
Modeling and analysis of time-dependent stress accelerated life data 时间相关应力加速寿命数据的建模与分析
Annual Reliability and Maintainability Symposium. 2002 Proceedings (Cat. No.02CH37318) Pub Date : 2002-08-07 DOI: 10.1109/RAMS.2002.981665
A. Mettas, P. Vassiliou
{"title":"Modeling and analysis of time-dependent stress accelerated life data","authors":"A. Mettas, P. Vassiliou","doi":"10.1109/RAMS.2002.981665","DOIUrl":"https://doi.org/10.1109/RAMS.2002.981665","url":null,"abstract":"The cumulative damage model is examined in this paper in two ways. First for analyzing data obtained from accelerated tests where the applied stress is time-dependent (for example step-stress) and second for making reliability predictions when the service stress is time-dependent (even when the test stress is not time-dependent). For example, the reliability of an aircraft engine, which operates under different stresses during take-off, cruising and landing, can be determined. The cumulative damage model is formulated by assuming the Weibull as the underlying life distribution, and the Arrhenius and inverse power law relationships are considered. The parameters of the model are estimated using maximum likelihood. An algorithm has been developed for the solution of this model, and implemented in a recently released software package, ALTA 6 PRO, specific to accelerated life data analysis. The solution to this model provides the engineers with an opportunity to expand their selection of test conditions when testing products, and to better model actual usage conditions.","PeriodicalId":395613,"journal":{"name":"Annual Reliability and Maintainability Symposium. 2002 Proceedings (Cat. No.02CH37318)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130327543","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: 40
Improving the reliability of a newly-designed mobile phone by environmental tests and accelerated life tests 通过环境试验和加速寿命试验提高新设计手机的可靠性
Annual Reliability and Maintainability Symposium. 2002 Proceedings (Cat. No.02CH37318) Pub Date : 2002-08-07 DOI: 10.1109/RAMS.2002.981715
S. Park, Jong-Shin Ha, wan-soo choi, Sang-Deuk Park
{"title":"Improving the reliability of a newly-designed mobile phone by environmental tests and accelerated life tests","authors":"S. Park, Jong-Shin Ha, wan-soo choi, Sang-Deuk Park","doi":"10.1109/RAMS.2002.981715","DOIUrl":"https://doi.org/10.1109/RAMS.2002.981715","url":null,"abstract":"The auto-fold motor is the key part of the auto-fold mobile phone. Its reliability was evaluated and improved for the newly manufactured mobile phone. Two kinds of tests were performed for this purpose. First, environmental tests such as high/low temperature operation tests, high/low temperature storage tests and thermal shock tests were conducted to evaluate the performance of the motor at various conditions and then the problems detected during the tests were resolved to meet the expected levels of requirements. For example, the noise of the motor was decreased by changing the grease type. The wear-out of the cam shaft and hinge housing was also decreased by upgrading the quality of the raw material. Second, the accelerated life tests (ALTs) were conducted to measure the mean-time-to-failure (MTTF) of the motor. The temperature and the voltage were used as stress factors to accelerate the failure of the motor.","PeriodicalId":395613,"journal":{"name":"Annual Reliability and Maintainability Symposium. 2002 Proceedings (Cat. No.02CH37318)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128759980","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
The failure-analysis matrix: a kinder, gentler alternative to FMEA for information systems
Annual Reliability and Maintainability Symposium. 2002 Proceedings (Cat. No.02CH37318) Pub Date : 2002-08-07 DOI: 10.1109/RAMS.2002.981637
M. C. Signor
{"title":"The failure-analysis matrix: a kinder, gentler alternative to FMEA for information systems","authors":"M. C. Signor","doi":"10.1109/RAMS.2002.981637","DOIUrl":"https://doi.org/10.1109/RAMS.2002.981637","url":null,"abstract":"The author's goal for this paper was the creation of a usable failure-analysis matrix (FAM) model as an alternative to failure modes and effects analysis (FMEA) for prioritizing solutions to failures in information systems. The author created the FAM by using repeated cycles of development and usability assessment. The FAM worksheets are much smaller than the FMEA worksheets, requiring less scrolling. The FAM helps identify the most important potential failures or failures and helps prioritize possible solutions using approximate expected costs. This new tool provides integrated data entry and reporting. The FAM may be used without having detailed information. The FAM is a new quality tool that is easy to learn and easy to use. The FAM is an Excel worksheet that shows the most important potential failures and quickly prioritizes possible solutions using approximate expected costs. The author has completed the development of the FAM.","PeriodicalId":395613,"journal":{"name":"Annual Reliability and Maintainability Symposium. 2002 Proceedings (Cat. No.02CH37318)","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130837820","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: 18
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