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This paper considers the leader-following consensus problem of high-order nonlinear multi-agent systems in the presence of unknown dynamics and bounded disturbances under undirected communication topologies. A distributed consensus scheme is proposed by using fuzzy logical systems and second-order sliding mode. Fuzzy logical systems are utilized to approximate the unknown dynamics, while the fuzzy...
This paper studies an adaptive fuzzy control problem for a class of uncertain nonlinear systems in the pure-feedback form. Compared with the existing approaches, the two main advantages are that the proposed algorithm can be implemented by utilizing only one fuzzy logic systems (FLS) approximator and the robustness of the closed-loop system is improved. The proposed adaptive fuzzy control algorithm...
The paper studies the robust control of non-minimum phase nonlinear system based on the differential geometry theory. The nonlinear system could be expressed as input-output dynamics with the unstable internal modes, through nonlinear coordinate transformation. Virtual controller is introduced to stabilize zero dynamic, and the sliding mode controller, which is robust to the parameter perturbations...
In this paper, an observer-based robust adaptive fuzzy controller is proposed to deal with the output tracking control problem for a class of uncertain single-input single-output (SISO) nonlinear systems with output delay and unmatched uncertainties.Within this scheme, the state observer is applied for estimating all states which are not available for measurement in the system, and then fuzzy logic...
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