Finite-Time Attitude Stabilization for a Spacecraft Using Homogeneous Method

The global finite-time attitude stabilization problem for a rigid spacecraft system is investigated. The actuator saturation is explicitly taken into account in the proposed finite-time stabilizer. Based on a homogeneous method, a local continuous saturated finite-time controller is first designed. Then, based on switching method, a global saturated finite-time controller is developed. Simulation results are given to demonstrate the efficiency of the proposed method.