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Implementation of Bus-Type Architecture with Common Subsystem in Microsatellite ORBIS

We propose a method that enables a satellite to decide its operation mode by using a distributed architecture with a common signboard subsystem, where each subsystem is regarded as an independent player in a game; we then simulate the operation mode and its transition in the satellite, based on game theory. The status of the satellite is expressed with the remaining-battery ratio and data-accumulation ratio on two axes, and we define two thresholds for each axis. By adopting a dynamic cooperative game model, in which the thresholds are determined dynamically, the mode transition was adjusted depending on the satellite status, and the time efficiency of the mission mode was improved.