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Proceedings., Annual Reliability and Maintainability Symposium最新文献

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BITE availability under operational constraints 操作约束下的BITE可用性
Proceedings., Annual Reliability and Maintainability Symposium Pub Date : 1989-01-24 DOI: 10.1109/ARMS.1989.49576
F. J. Moreno
{"title":"BITE availability under operational constraints","authors":"F. J. Moreno","doi":"10.1109/ARMS.1989.49576","DOIUrl":"https://doi.org/10.1109/ARMS.1989.49576","url":null,"abstract":"An operational system (OS) supported by a built-in test equipment (BITE) string is embedded in an operating environment that requires a high level of OS and BITE string availability. The BITE string availability expression is derived using a model with operational constraints posed by both the OS requirements and the support-logistics system. The resultant BITE availability expression is formulated as a function of the BITE string MTBF, mean fault detection delay of the BITE string test scenario and the mean logistics delay of the support system. The OS availability requirement/specifications is partitioned into the constituent elements of MTBF and MTTR where the fault isolation time element of MTTr is coupled to the BITE string availability. BITE availability calculations are subsequently carried out using the developed methodology.<<ETX>>","PeriodicalId":430861,"journal":{"name":"Proceedings., Annual Reliability and Maintainability Symposium","volume":"85 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1989-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130631959","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
Environmental stress screening: An integration of disciplines 环境应激筛选:综合学科
Proceedings., Annual Reliability and Maintainability Symposium Pub Date : 1989-01-24 DOI: 10.1109/ARMS.1989.49650
H. Caruso
{"title":"Environmental stress screening: An integration of disciplines","authors":"H. Caruso","doi":"10.1109/ARMS.1989.49650","DOIUrl":"https://doi.org/10.1109/ARMS.1989.49650","url":null,"abstract":"Guidelines are provided for developing consistent and effective environmental stress screening (ESS) programs for electronic assemblies and systems. Emphasis is on the timely integration of all concerned technical disciplines to ensure that a complete and unbiased information base will be available to program management for decision making. The technical disciplines involved include design, reliability, environmental, quality, test, and field engineering. The ESS development program is characterized by three phases: conceptual definition, implementation, and effectiveness review. Throughout this process, integration of technical and administrative concerns is essential.<<ETX>>","PeriodicalId":430861,"journal":{"name":"Proceedings., Annual Reliability and Maintainability Symposium","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1989-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115195864","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
Testing of reliability-Analysis tools 可靠性测试-分析工具
Proceedings., Annual Reliability and Maintainability Symposium Pub Date : 1989-01-24 DOI: 10.1109/ARMS.1989.49651
K. Hayhurst
{"title":"Testing of reliability-Analysis tools","authors":"K. Hayhurst","doi":"10.1109/ARMS.1989.49651","DOIUrl":"https://doi.org/10.1109/ARMS.1989.49651","url":null,"abstract":"An outline is presented of issues raised in verifying the accuracy of reliability analysis tools. State-of-the-art reliability analysis tools implement various decomposition, aggregation, and estimation techniques to compute the reliability of a diversity of complex fault-tolerant computer systems. However, no formal methodology has been formulated for validating the reliability estimates produced by these tools. The author presents three states of testing that can be performed on most reliability analysis tools to effectively increase confidence in a tool. These testing stages were applied to the SURE (semi-Markov unreliability range evaluator) reliability analysis tool, and the results of the testing are discussed.<<ETX>>","PeriodicalId":430861,"journal":{"name":"Proceedings., Annual Reliability and Maintainability Symposium","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1989-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125050668","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: 2
The numbers game with the logistics support analysis record (LSAR) 与物流支持分析记录(LSAR)的数字游戏
Proceedings., Annual Reliability and Maintainability Symposium Pub Date : 1989-01-24 DOI: 10.1109/ARMS.1989.49620
J.E. Eisaman
{"title":"The numbers game with the logistics support analysis record (LSAR)","authors":"J.E. Eisaman","doi":"10.1109/ARMS.1989.49620","DOIUrl":"https://doi.org/10.1109/ARMS.1989.49620","url":null,"abstract":"The US Department of Defense (DoD) has specified that the logistics support analysis record (LSAR) will be the central automated database for logistics support data in the weapon system acquisition process. The author describes the logistics analyst's role in establishing and documenting some of this data. Through the use of numerous examples, he illustrates the integration function and demonstrates the impact that reliability and maintainability (R&M) engineers can have in designing a system's support. He shows the interrelationship of failure rate, task frequency, quantity per task, and the maintenance replacement rate and how R&M impacts key initial provisioning requirements encountered in a typical DoD acquisition program. The author highlights how these R&M factors affect other logistic support elements, shows sample calculations, and describes the appropriate coding and entry in the LSAR. A description is also given of typical errors made by logistics analysts and how miscommunication between system engineers, R&M engineers and logisticians can impact the design of the support.<<ETX>>","PeriodicalId":430861,"journal":{"name":"Proceedings., Annual Reliability and Maintainability Symposium","volume":"62 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1989-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127943395","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
Redundancy strategy for dependent subsystems 从属子系统的冗余策略
Proceedings., Annual Reliability and Maintainability Symposium Pub Date : 1989-01-24 DOI: 10.1109/ARMS.1989.49582
Z. Porat
{"title":"Redundancy strategy for dependent subsystems","authors":"Z. Porat","doi":"10.1109/ARMS.1989.49582","DOIUrl":"https://doi.org/10.1109/ARMS.1989.49582","url":null,"abstract":"The author presents the results of a reliability comparison and sensitivity analysis of a two-element parallel redundant system with a two-element standby redundant system for the case of Weibull element lifetimes which are dependent due to shared stress. The case of exponential-lived elements is also studied since the exponential distribution is a derivative of the Weibull distribution and has a significant role in reliability studies. The author presents the reliability functions along with the results of the study followed by an illustrative example.<<ETX>>","PeriodicalId":430861,"journal":{"name":"Proceedings., Annual Reliability and Maintainability Symposium","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1989-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122479646","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
ADINTS: moving toward standardization of automatic test equipment ADINTS:迈向标准化的自动化测试设备
Proceedings., Annual Reliability and Maintainability Symposium Pub Date : 1989-01-24 DOI: 10.1109/ARMS.1989.49579
L.M. Sylvestre
{"title":"ADINTS: moving toward standardization of automatic test equipment","authors":"L.M. Sylvestre","doi":"10.1109/ARMS.1989.49579","DOIUrl":"https://doi.org/10.1109/ARMS.1989.49579","url":null,"abstract":"In a move towards standardization of automatic test equipment (ATE), the US Air Force is enforcing utilization of modular ATE (MATE) guides in the development of test systems for both current and future avionics programs. The author discusses the design and production of thirteen automatic depot inertial navigation test systems (ADINTS), using the MATE guides. ADINTS is designed with accessible interfaces, large computer memory, reserved rack space and test table flexibility, all of which make it adaptable to many kinds of units under test. Of particular importance in testing inertial products, a real-time-controlled interface is available. The bus architecture complies with the MIL-STD-1553 A/B requirements. When coupled with the benefits to a depot of standardization, commonality of spare parts, and shorter run times, ADINTS has the potential to provide support to other military services and some commercial users of inertial products both in the USA and overseas, as well as the US Air Force.<<ETX>>","PeriodicalId":430861,"journal":{"name":"Proceedings., Annual Reliability and Maintainability Symposium","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1989-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116430484","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
Why there is a need for a software-safety program 为什么需要软件安全程序
Proceedings., Annual Reliability and Maintainability Symposium Pub Date : 1989-01-24 DOI: 10.1109/ARMS.1989.49568
G. W. McDonald
{"title":"Why there is a need for a software-safety program","authors":"G. W. McDonald","doi":"10.1109/ARMS.1989.49568","DOIUrl":"https://doi.org/10.1109/ARMS.1989.49568","url":null,"abstract":"A description is given of general safety requirements for systems and relates software development with respect to requirements. The author details issues of how safety aspects of software can be brought up to the level of safety required for systems. In so doing, he contrasts standard system safety techniques for electromechanical systems with system-level approach considerations for software-controlled systems, and contrasts software safety with other software quality programs.<<ETX>>","PeriodicalId":430861,"journal":{"name":"Proceedings., Annual Reliability and Maintainability Symposium","volume":"74 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1989-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132195188","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
Reliability models for mechanical equipment 机械设备可靠性模型
Proceedings., Annual Reliability and Maintainability Symposium Pub Date : 1989-01-24 DOI: 10.1109/ARMS.1989.49590
J. J. Nelson, J.D. Raze, J. Bowman, G. Perkins, A. Wannamaker
{"title":"Reliability models for mechanical equipment","authors":"J. J. Nelson, J.D. Raze, J. Bowman, G. Perkins, A. Wannamaker","doi":"10.1109/ARMS.1989.49590","DOIUrl":"https://doi.org/10.1109/ARMS.1989.49590","url":null,"abstract":"A description is given of a reliability prediction technique for mechanical equipment that will enable the designer to qualify the effects of varying design and operational constraints on a mechanical component's failure rate. The designer can then implement design changes to improve the systems reliability before fabrication begins. In addition, reliability information identified by this procedure during design can be utilized for efficient and effective utilization of testing resources. Example models for compressors are addressed.<<ETX>>","PeriodicalId":430861,"journal":{"name":"Proceedings., Annual Reliability and Maintainability Symposium","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1989-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134157426","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
The US Air Force 'Blue Two' visit program 美国空军“蓝色二号”访问计划
Proceedings., Annual Reliability and Maintainability Symposium Pub Date : 1989-01-24 DOI: 10.1109/ARMS.1989.49644
J. Skinner
{"title":"The US Air Force 'Blue Two' visit program","authors":"J. Skinner","doi":"10.1109/ARMS.1989.49644","DOIUrl":"https://doi.org/10.1109/ARMS.1989.49644","url":null,"abstract":"A description is given of the Blue Two visit (BTV) program. The BTV program, named for the two-stripe maintainer, is designed to give corporate individuals, particularly designers, and US Air Force programs management personnel a first-hand experience with supporting and maintaining weapon systems and equipment. Past visits have focused on general aircraft maintenance as well as hydraulic systems, support equipment, software weapons, avionics, communications, and aircraft structures. Future BTVs will include rotary-wing aircraft and space systems.<<ETX>>","PeriodicalId":430861,"journal":{"name":"Proceedings., Annual Reliability and Maintainability Symposium","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1989-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115617369","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
SPAREL: a model for reliability and sparing in the world of redundancies SPAREL:冗余世界中可靠性和节约的典范
Proceedings., Annual Reliability and Maintainability Symposium Pub Date : 1989-01-24 DOI: 10.1109/ARMS.1989.49618
A. Nordin, F. Maier
{"title":"SPAREL: a model for reliability and sparing in the world of redundancies","authors":"A. Nordin, F. Maier","doi":"10.1109/ARMS.1989.49618","DOIUrl":"https://doi.org/10.1109/ARMS.1989.49618","url":null,"abstract":"A description is given of a state-of-the-art computerized model which is developed to handle reliability and sparing problems for systems with complex redundancies. The model is used in the daily work when doing different kinds of system reliability analysis. The main applications of SPAREL are discussed. A detailed model description including equipment and maintenance support modeling is given. The mathematical assumptions and the calculation methods are examined. Some program facilities are mentioned, and some examples are presented for a fictitious sample case. SPAREL is a very useful tool since it considers availability, redundancies with complex structures and logistic support as an entity.<<ETX>>","PeriodicalId":430861,"journal":{"name":"Proceedings., Annual Reliability and Maintainability Symposium","volume":"274 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1989-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115664698","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
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