The goal-oriented robust operations and their demonstration on orbit

As the number of the satellite increase, there is an emergent need to operate satellites with less efforts. The University of Tokyo developed autonomous functions of on-board software for goal-oriented robust operations. They can cope with anomalies by themselves, without relying on ground operations. They have state transition model and can search for the commands continuously to achieve a goal given by the ground operators, even if the satellite status unexpectedly modified by the anomalies. We have implemented them in the 3U cubesat to demonstrate an ‘on-demand’ operation, an operation capturing a target image without ground operations during the first orbit cycle just after the launch. The satellite launched in February and we successfully demonstrated the autonomous functions on-orbit. We will continuously upgrade them for other cubesats and a small synthetic aperture radar satellite. Both of them will be launched during next year.