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The wings of loitering unit could be unfolded in flight. In view of the model parameters uncertainty caused by the structural change, based on the vehicle's longitudinal and lateral motion equations, combined with the characteristics of ADRC, active disturbance rejection attitude controller is designed. Six degrees of freedom nonlinear simulation model is operated with Simulink and aerodynamic parameters...
In this paper, optimal control problems considering agile turn of missile as maximizing terminal velocity at boost phase are dealt. The missile in the phase experiences dramatic variation in velocity, mass and angle of attack within finite duration. This research at first, classifies the missile models into two different cases; longitudinal motion and lateral motion, but all of the models neglect...
Nano-satellite has payload limitation to minimize weight and cost then minimum number of attitude sensors can be loaded which are sun sensor, magnetometer and gyroscope. However, The sun sensor cannot be used during eclipse, nano-satellite keeps estimating attitude with model propagator. Which contains the uncertainty, torque disturbance. For small satellite has too low moment of inertia to vulnerable...
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