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Exploiting the Reliability-Maintenance Relationship for Manned Missions of Extended Duration
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English
Abstract
Traditional reliability design concepts, and even extensive redundancy, fail to achieve the necessary reliability potential required for long term orbital and space missions. A design and operational approach allowing system restoration through maintenance can significantly arrest reliability degradation for missions extending up to several years This paper discusses some facets of the reliability-maintenance relationship, including accessibility, spares, crew duty cycle, and design standardization. An example application demonstrates the effectiveness of the maintenance approach while utilizing conservative state-of-the-art failure rates. Although the concepts described are somewhat theoretical, analogies in past experience substantiate them.
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Citation
Griswold, J. and Schneider, R., "Exploiting the Reliability-Maintenance Relationship for Manned Missions of Extended Duration," SAE Technical Paper 640314, 1964, https://doi.org/10.4271/640314.Also In
References
- Department of Defense “Reliability Stress and Failure Rate Data for Electronic Equipment,” Military Standardization Handbook (MIL-HDBK-217), Appendix 5 August 8 1962
- Feller, William “Probability Theory and Its Applications.” New York John Wiley & Sons, Inc. 1951
- Sandler, Gerald H. “System Reliability Engineering.” Englewood Cliffs, N.J. Prentice-Hall, Inc. 1963