Two-dimensional Response Analysis of Lunar/Planetary Spacecraft by Means of Base-extension Separation Landing Mechanism

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  • 親機子機分離着陸機構を用いた月惑星探査機の2次元応答解析
  • シンキコキ ブンリ チャクリク キコウ オ モチイタ ツキ ワクセイ タンサキ ノ 2ジゲン オウトウ カイセキ

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Next-generation lunar/planetary exploration spacecraft need to solve problems of conventional landing methods and mechanisms such as high rebound, impossibility of reuse and high cost. For this purpose, the authors discuss the landing method by means of Base-Extension Separation landing Mechanism (BESM) which uses energy conversion with springs and separable units. In conventional studies, its effectiveness was confirmed for a simple case based on single-axis restriction. However, the investigation of tumble prevention cannot be treated in the simple case. The purpose of this paper is the response analysis with a double-axis case and to discuss the robustness of BESM for more practical landing situations.

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