Abstract
"HORYU" a 10cmx10cmx10cm CUBESAT, has been developed by students group of Kyusyu Institute of Technology, Japan. In system engineering, the important element to success is to test well. Not only system test but also level of sub-system and component tests is required. In such a level tests, feasibility, interfaces between subsystem and subsystem, and robustness, are checked. In the system test, working sequence that HORYU will be performed in space will be tested on the ground. The tests consist 3 parts. The first one is initial sequence that HORYU performs after released from the rocket. Also HORYU will be tested normal mode, and mission mode on the ground as well. In the paper, the tests are described in detail.
