The conceptual system design of the users spacecraft

摘要

The objective of USERS (Unmanned Space Experiment Recovery System) project is the establishment of the space experiment system under micro gravity and space radiation environment. The USERS Spacecraft will be launched in 2001 is an element of USERS, and consists of two parts, Service Module (SEM) and Reentry Module (REM). In this paper, the function of Integrated Spacecraft Controller (ISC) are focused on. ISC is the main subsystem of USERS spacecraft, and the new functions for the advanced small satellite are concentrated on ISC.