Levitated-body ultra-high pointing accuracy and stability satellite platform of the CHASE mission

The CHASE satellite is designed based on the novel ultra-high pointing accuracy and stability levitated-body platform, which breaks traditional idea of rigidly connecting platform payload. When operating in orbit, payload are non-connected spatially levitated. By separately arranging “noisy” “quiet” devices, complicated influence vibration direction effectively avoided. Using master-slave collaborative control method, improved considerably. In this paper, basic principles, overall scheme, engineering implementation a discussed. Combined with mission in-orbit data, actual attitude precision analyzed evaluated.