首页> 外文会议>International Symposium on Space Technology and Science; 20060604-11; Kanazawa(JP) >ANALYSIS AND DESIGN OF DYNAMICS AND CONTROL TO RECOVER FROM INCOMPLETE GRASPING OF DOCKING MECHANISM FOR NANOSATELLITE
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ANALYSIS AND DESIGN OF DYNAMICS AND CONTROL TO RECOVER FROM INCOMPLETE GRASPING OF DOCKING MECHANISM FOR NANOSATELLITE

机译:纳米卫星对接机理不完全抓紧的动力学分析与控制恢复设计

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摘要

Inspection and measurement missions with nanosatellites have lately attracted attention. These missions needs a docking mechanism with recharge and refuel system for expanding mission lifetime. Docking technology has been researched since 1960's. The docking technology until now for manned space mission or large sophisticated satellites is not reliable for nanosatellites because they are very small and light (less than 10kg) and are difficult to equip nanosatellite with many sensors and special mechanisms. Laboratory for Space Systems (LSS), Tokyo Institute of Technology (Tokyo Tech), proposed a docking methodology to dock and release them reliably and repeatedly based on features of nanosatellites. The methodology consists of approach/grasping phase and guiding phase. Several types of ground experiments were conducted to verify the docking mechanism and the practical control algorithm based on the methodology. We classify conditions into two types called "complete grasping" and "incomplete grasping" in the experiment results. Two conditions are closely related to the relative position and attitude errors. In this paper, the developed docking mechanism, control algorithm and several experiments will be explained focusing on two types of grasping condition and recover from incomplete grasping. Moreover, docking possibility criteria are analyzed according to each condition.
机译:使用纳米卫星的检查和测量任务最近引起了人们的注意。这些任务需要具有充电和加油系统的对接机制,以延长任务寿命。自1960年代以来,一直在研究对接技术。迄今为止,用于载人航天任务或大型复杂卫星的对接技术对于纳米卫星尚不可靠,因为它们非常小,重量轻(不到10kg),并且很难为纳米卫星配备许多传感器和特殊机制。东京工业大学空间技术实验室(LSS)提出了一种对接方法,该方法可根据纳米卫星的特性可靠且反复地对接和释放它们。该方法包括进场/抓取阶段和指导阶段。进行了几种类型的地面实验,以验证对接机理和基于该方法的实际控制算法。在实验结果中,我们将条件分为“完全掌握”和“不完全掌握”两种类型。两个条件与相对位置和姿态误差密切相关。在本文中,将针对两种类型的抓取条件并从不完全抓取中恢复来说明已开发的对接机制,控制算法和几个实验。此外,根据每个条件分析对接可能性标准。

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