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We propose a synchronization approach to solve a problem where multiple unicycle agents are required to follow individual reference trajectories while maintaining a time-varying formation. Motions of the agents are synchronized thanks to coupling terms in their feedback control laws. Under saturation constraints on the control signals, our control laws guarantee global asymptotic zeroing of the synchronization...
This paper investigates the formation keeping problem for multiple spacecraft flying in the presence of time-varying delays and packet dropouts in the intercommunication. A sampled-data approach for tracking control of relative orbital motion between two spacecraft in a leader-follower formation is presented for the case when the leader spacecraft is in a circular orbit. Lyapunov stability conditions...
This paper proposes nonlinear control methods for output regulation of ball and plate system. Positions of the ball are regulated with double feedback loops. Recursive backstepping design is employed for the external feedback loop, while switching control scheme is used in the inner feedback loop. System performance was tuned by backstepping parameters. Simulation results show that the proposed nonlinear...
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