Delay and state observation for SISO nonlinear systems with input delay
Corresponding Author
Vincent Léchappé
Griffith University, School of Engineering, Gold Coast, Australia
Correspondence
Vincent Léchappé, Griffith University, School of Engineering, Gold Coast, Australia.
Email: [email protected]
Search for more papers by this authorJesús De Léon
Facultad de Ingeniería Mecánica y Eléctrica (FIME), Universidad Autónoma de Nuevo León, Monterrey, Mexico
Search for more papers by this authorEmmanuel Moulay
XLIM, Université de Poitiers, UMR CNRS 7252, Poitiers, France
Search for more papers by this authorFranck Plestan
Ecole Centrale de Nantes-LS2N, UMR CNRS 6004, Nantes, France
Search for more papers by this authorAlain Glumineau
Ecole Centrale de Nantes-LS2N, UMR CNRS 6004, Nantes, France
Search for more papers by this authorCorresponding Author
Vincent Léchappé
Griffith University, School of Engineering, Gold Coast, Australia
Correspondence
Vincent Léchappé, Griffith University, School of Engineering, Gold Coast, Australia.
Email: [email protected]
Search for more papers by this authorJesús De Léon
Facultad de Ingeniería Mecánica y Eléctrica (FIME), Universidad Autónoma de Nuevo León, Monterrey, Mexico
Search for more papers by this authorEmmanuel Moulay
XLIM, Université de Poitiers, UMR CNRS 7252, Poitiers, France
Search for more papers by this authorFranck Plestan
Ecole Centrale de Nantes-LS2N, UMR CNRS 6004, Nantes, France
Search for more papers by this authorAlain Glumineau
Ecole Centrale de Nantes-LS2N, UMR CNRS 6004, Nantes, France
Search for more papers by this authorSummary
This paper deals with the problem of state and delay estimation for SISO nonlinear systems with an unknown time-varying delay in the input. The main idea is to approximate the delayed input by using Taylor's theorem and to create an extended system with the delay as part of the extended state. Then, the construction of an observer is proposed to estimate both state and delay. The results are illustrated by simulations.
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