Multilayer feedforward networks are universal approximators
Neural Networks
Adaptive fuzzy systems and control: design and stability analysis
Adaptive fuzzy systems and control: design and stability analysis
Robust adaptive control
A dynamic recurrent neural-network-based adaptive observer for a class of nonlinear systems
Automatica (Journal of IFAC)
Information Sciences—Informatics and Computer Science: An International Journal
Adaptive fuzzy control for a class of uncertain nonaffine nonlinear systems
Information Sciences: an International Journal
An observer-based approach to controlling time-delay chaotic systems via Takagi-Sugeno fuzzy model
Information Sciences: an International Journal
Information Sciences: an International Journal
Fuzzy adaptive backstepping robust control for SISO nonlinear system with dynamic uncertainties
Information Sciences: an International Journal
Observer-based adaptive control for uncertain time-delay systems
Information Sciences: an International Journal
Information Sciences: an International Journal
Information Sciences: an International Journal
Information Sciences: an International Journal
Information Sciences: an International Journal
Observer-based adaptive fuzzy-neural control for unknown nonlineardynamical systems
IEEE Transactions on Systems, Man, and Cybernetics, Part B: Cybernetics
Adaptive observers for unknown general nonlinear systems
IEEE Transactions on Systems, Man, and Cybernetics, Part B: Cybernetics
Paper: Instability analysis and improvement of robustness of adaptive control
Automatica (Journal of IFAC)
Nonlinear system fault diagnosis based on adaptive estimation
Automatica (Journal of IFAC)
Observer design for a class of MIMO nonlinear systems
Automatica (Journal of IFAC)
Output feedback control of nonlinear systems using RBF neural networks
IEEE Transactions on Neural Networks
Automated fault diagnosis in nonlinear multivariable systems using a learning methodology
IEEE Transactions on Neural Networks
Fuzzy basis functions, universal approximation, and orthogonal least-squares learning
IEEE Transactions on Neural Networks
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This paper presents an adaptive fuzzy observer for a class of uncertain nonlinear systems. More precisely, we propose a unified approach for designing such an observer with some design flexibility so that it can be easily adaptable and employed either as a high-gain or a sliding mode observer by selecting its gain appropriately. Additionally, we derive a suitable parameter adaptation law so that the proposed observer is robust with respect to ubiquitous fuzzy approximation errors and external disturbances. We also show that the observation error is ultimately bounded using a Lyapunov approach without having recourse to the usual strictly positive real (SPR) condition or a suitable observation error filtering. The effectiveness of the proposed observers is illustrated through two simulation case studies taken from the adaptive fuzzy control literature.