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In this paper we investigate the attitude control problems of underactuated spacecraft by moving masses. First, the attitude dynamics and kinematics equations of underactuated spacecrafts with two moving masses are given. Then, considering the stabilization of the roll and pitch attitude, We present a controller designed using a linear Lipschtiz surface combined with the traditional sliding model...
This paper is concerned with the design problem of robust fault-tolerant controller of linear uncertain satellite attitude control systems. The design method of output feedback robust fault-tolerant controller with failures of actuators and sensors is proposed to meet the given control performance by using LMI method. A numerical example of satellite attitude fault-tolerant control system is given...
This paper deals with attitude control of spacecraft with two moving-mass. Two mass particles are constrained to move in different circular track fixed within the spacecraft, respectively. The dynamical model of the spacecraft is presented in a reduced dimensional Hamiltonian form. The Hamiltonian model is noncanonical and underactuated. We consider the application of interconnection and damping assignment...
Motivated by the attitude control of an under- actuated spacecraft with two moving mass, we consider the stabilization problem of nonlinear systems via hybrid control strategy. First, the spacecraft is modeled based on principle of conservation of momentum and characteristic of model is analyzed. Hybrid control architecture for attitude system is described and feedback controllers are constructed...
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