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引用次数: 1
摘要
REIMEI/INDEX(创新技术示范实验)是一颗70公斤级的小卫星，由日本研究开发机构(ISAS/JAXA)空间和宇航科学研究所开发，用于观测极光小尺度动力学以及先进卫星技术的示范。REIMEI的一项重要工程任务是利用商用RISC cpu和三重投票系统集成卫星控制，以确保对辐射危害的容错性。涉及每个卫星功能的软件模块，如姿态控制、数据处理和任务应用，协同工作，以便执行高度复杂的卫星控制。本文在介绍卫星综合控制概念的基础上，详细介绍了卫星综合控制单元(integrated Controller Unit, ICU)。并指出了开发综合控制系统的独特课题。
REIMEI/INDEX (INnovative-technology Demonstration EXperiment) is a 70kg class small satellite which the Institute of Space and Astronautical Science, Japan Exploration Agency, ISAS/JAXA, has developed for observation of auroral small-scale dynamics as well as demonstration of advanced satellite technologies. An important engineering mission of REIMEI is integrated satellite control using commercial RISC CPUs with a triple voting system in order to ensure fault-tolerance against radiation hazards. Software modules concerning every satellite function, such as attitude control, data handling, and mission applications, work cooperatively so that highly sophisticated satellite control can be performed. In this paper, after a concept of the integrated satellite control is introduced, the Integrated Controller Unit (ICU) is described in detail. Also unique topics in developing the integrated control system are shown.
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