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首页> 外文会议>Joint ESA-NASA space-flight safety conference >THE QUANTITATIVE SAFETY AND RELIABILITY APPROACH FOR NASA'S SECOND GENERATION REUSABLE LAUNCH VEHICLES
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THE QUANTITATIVE SAFETY AND RELIABILITY APPROACH FOR NASA'S SECOND GENERATION REUSABLE LAUNCH VEHICLES

机译：NASA的第二代可重复使用发射车辆的定量安全性和可靠性方法

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摘要

The United States National Aeronautics and Space Administration (NASA) is in the midst of a 10-year Second Generation Reusable Launch Vehicle (RLV) program to improve its space transportation capabilities for both cargo and crewed missions. The objectives of the program are to: significantly increase safety and reliability, reduce the cost of accessing low-earth orbit, attempt to leverage commercial launch capabilities, and provide a growth path for manned space exploration. The safety and reliability of the next generation vehicles are major concerns, and NASA aims to achieve orders of magnitude improvement in their safety and reliability compared to today's Space Shuttle system. Achieving these ambitious goals requires a rigorous process that addresses reliability and safety through all the phases of the life cycle of the program. This paper discusses the process being implemented to support achieving the Second Generation program goals/requirements during the conceptual architecture definition phases. Special focus is given to an innovative new tool being used to identify promising technologies that will improve the safety of advanced launch vehicle systems, as well, as assessing the relative merits of proposed architectures. Additionally, discussion focuses on NASA's systems engineering process as it relates to reliability, maintainability, and supportability (RMS).
机译：美国国家航空航天局（NASA）正在实施一项为期10年的第二代可重复使用运载火箭（RLV）计划，以提高其用于货运和载人飞行任务的太空运输能力。该计划的目标是：显着提高安全性和可靠性，降低进入低地球轨道的成本，尝试利用商业发射能力，并为载人航天探索提供增长途径。下一代飞行器的安全性和可靠性是主要问题，与当今的航天飞机系统相比，NASA的目标是将其安全性和可靠性提高几个数量级。要实现这些雄心勃勃的目标，就需要一个严格的过程，在程序生命周期的所有阶段中都要解决可靠性和安全性问题。本文讨论了在概念体系结构定义阶段为支持实现第二代计划目标/要求而实施的过程。特别关注创新的新工具，该工具用于确定有前途的技术，这些技术将改善先进运载火箭系统的安全性，并评估拟议架构的相对优点。此外，讨论的重点是NASA的系统工程过程，因为它涉及可靠性，可维护性和可支持性（RMS）。

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