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Repetitive control (RC) is found to be a high-performance control scheme for constant-voltage constant-frequency (CVCF) pulsewidth-modulated (PWM) converters to eliminate output total harmonic distortion. In this paper, a dual-mode-structure RC (DMRC) is proposed to further improve the control performance of RC. The proposed DMRC controller comprises of two paralleled periodic signal generators: an...
A robust adaptive controller is presented for the control system of user-satellite antenna acquisition and tracking TDRS (tracking and data relay satellite), which faces with the uncertainties of un-modeled dynamics and unknown bounded disturbance and the control input constraint. The stability is proved by using Lyapunov stabilization theory. The simulation results show that the robust adaptive controller...
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