Nobuo Sugimura

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This paper summarizes the attitude control system and evaluation system of the 50kg class micro satellite RISING-2, which has developed by Hokkaido University and Tohoku University from 2010. In 2011, the flight models of each component were completed and now the software of RISING-2 is adjusted in order to put into an orbit in 2013. The missions of(More)
Within the scope of a Japanese FIRST (Funding Program for World-Leading Innovative R&D on Science and Technology) program led by Professor Nakasuka of University of Tokyo, Tohoku University is developing a 50kg-class international scientific microsatellite named RISESAT. In addition to various scientific instruments, RISESAT is also equipped with a(More)
The Space Robotics Laboratory (SRL) of Tohoku University has developed three 50kg Micro-satellites. The first satellite “SPRITE-SAT” has been successfully launched into Earth orbit, and also been operated. The flight model of the second satellite “RISING-2” has been assembled and its software development is now finalized, being(More)
Effects of space radiation on space systems have been considered as the main challenge in designing sustainable space systems, and investigations have been done about the mitigation methods against various types of radiation effects. On March 11, 2011, a massive earthquake and tsunami hit the eastern Japan, particularly Tohoku area. Since then, the(More)
A low-cost attitude determination and control system (ADCS) is proposed for nadir-pointing control. This system comprises three-axis magnetorquers and magnetometers. The aim for developing this system is to establish a nadir-pointing control method using only low-cost spacecraft components for active control. Recently, low-cost and reliable development has(More)
New tracking algorithm based on the nearest neighbor star search approach is proposed for fast star identification. In order to improve the performance of tracking, this algorithm is composed of two parts. One is a searching part of unknown stars in the field of view (FOV) using nearest neighbor star search approach. The feature of this method is that each(More)
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