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This paper introduces a decentralized design technique for satellite formation using algebraic graph theories. Each satellite controls itself using the relative states describing its position and velocity relative to neighboring satellites it can sense. The formation control problem with n satellites is thus reduced into stabilization problem of single satellite with the identical relative dynamics,...
In this paper, a dual-mode structure repetitive control (DMRC) is proposed to further improve the control performance of RC. Without additional complexity and loss of tracking accuracy, DMRC can achieve faster error convergence rate than conventional RC does. In the presence of nonlinear load disturbances and parameter uncertainties, an application example of DMRC controlled single-phase PWM inverter...
Hysteresis characteristics is highly nonlinear, has memory and is common in engineering systems. Its presence introduces uncertainties and nonlinearity in dynamic modelling and thus difficulties in achieving a good control design. This paper studies the suitability of iterative learning control (ILC) to compensate hysteresis uncertainties for a class of continuous-time dynamic systems. We examine...
Modelling and robust repetitive controller of constant-voltage constant-frequency (CVCF) pulse-width modulated (PWM) DC/AC converter systems are studied in this paper. During the design of feedback controller, the plug-in repetitive module is considered as one part of augmented plant to achieve overall system robustness performance. To overcome the inherent drawback of linear load model, the load...
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