A novel fault tolerant attitude tracking control scheme is developed for flexible spacecraft
with partial loss of actuator effectiveness fault. Neural networks are first introduced to …

This paper investigates the fixed-time attitude tracking control problem for rigid spacecraft
with input quantization and external disturbances. A novel fixed-time disturbance observer is …

This paper investigates the velocity-measurement-free feedback control problem associated
with attitude tracking for a rigid spacecraft in the presence of both actuator failures and …

In this paper, a fault-tolerant control scheme is proposed for the rigid spacecraft attitude
control system subject to external disturbances, multiple system uncertainties, and actuator …

This paper addresses a difficult problem of designing a control approach with simple
structure to perform attitude tracking maneuver for rigid satellites. The satellite is subject to …

This paper proposes a stable adaptive fuzzy fault-tolerant attitude-tracking controller for a
rigid spacecraft in the presence of unavailable velocities, external disturbance, actuator …

Disturbance observers have been attracting continuing research efforts and are widely used
in many applications. Among them, the Kalman filter-based disturbance observer is an …

This paper investigates the problem of finite-time output feedback control for spacecraft
attitude stabilization with attitude-only measurement. First, a finite-time filter is proposed to …

A novel robust nonlinear control design under the constraints of assigned velocity and
actuator torque is investigated for attitude stabilization of a rigid spacecraft. More specifically …

This paper presents a novel nonlinear control approach for attitude stabilization of flexible
satellites. It is developed by using a nonlinear estimator technique. An estimator is proposed …