robotique co2 valse

Designing neural network-based observers for discrete-time nonlinear systems

27 mai 2026 à 13h30

Isaac Ambit Brao

Abstract:

This paper proposes an observer design approach for a class of nonlinear discrete-time systems that applies artificial neural networks. These neural networks are used to calculate the output injection gain and the corresponding Lyapunov function, guaranteeing the stability of the estimation error. A canonical form of Lyapunov function for Lipschitz systems is used to be represented by neural networks. We introduce a locally defined norm-like Lyapunov function when using neural networks to avoid singularity at the origin. Examples of mechanical systems with power nonlinearity illustrate the method’s efficiency.

Inria bulding A, room A00

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