Modular Construction of a Balloon-Borne Apparatus (大気球研究報告<特集>)

概要

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A few hundred batteries are employed to supply electricity to an experimental apparatus borne on a balloon. It is important to keep the batteries under good quality control. To facilitate such control, a modular architecture has been introduced to the organization of the batteries and the structure of the electronic system in the apparatus. The system comprises subsystems called modules. Electricity is supplied to each module by floating power supplies made from a dedicated portion of the batteries. The modules are electrically isolated individually. A local network is employed to enhance the modularity of the system. The modules communicate through a single twisted-pair cable, a party-line bus to which the modules are connected through isolation transformers.
宇宙航空研究開発機構の論文