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Human Mars EDL pathfinder study: Assessment of technology development gaps and mitigations

机译:人类火星EDL探路者研究:技术发展差距和缓解措施的评估

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This paper presents the results of a NASA initiated Agency-wide assessment to better characterize the risks and potential mitigation approaches associated with landing human class payloads on Mars. Due to the criticality and long-lead nature of advancing Entry, Descent, and Landing (EDL) techniques, it is necessary to determine an appropriate strategy to improve the capability to land large payloads. A key focus of this study was to understand the key EDL risks with a focus on determining what “must” be tested at Mars. This process identified the various risks and potential risk mitigation strategies, along with the required key near-term technology development efforts and in what environment those technology demonstrations were best suited. The study identified key risks along with advantages to each entry technology. In addition, it was determined that with the EDL concept of operations (con ops) which minimized large scale transition events during entry, there was no technology requirement for a Mars pre-cursor demonstration as a necessary risk-mitigation test. Instead, NASA should take a direct path to a human-scale lander.
机译:本文介绍了NASA发起的全署范围评估的结果,以更好地表征与在火星上降落人类有效载荷相关的风险和潜在的缓解方法。由于先进的进入,下降和着陆(EDL)技术的重要性和长期领先的性质,有必要确定一种适当的策略来提高着陆大型有效载荷的能力。这项研究的重点是了解主要的EDL风险,重点是确定在火星上必须测试哪些“必须”进行测试。该过程确定了各种风险和潜在的风险缓解策略,以及所需的关键近期技术开发工作以及这些技术演示最适合的环境。该研究确定了主要风险以及每种入门技术的优势。此外,已确定采用EDL操作(操作)概念将进入过程中的大规模过渡事件降到最低,因此没有技术要求将火星前兆演示作为必要的风险缓解测试。取而代之的是,NASA应该直接走上人类规模的着陆器。

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