HAL will be down for maintenance from Friday, June 10 at 4pm through Monday, June 13 at 9am. More information
Skip to Main content Skip to Navigation
Journal articles

Time-Varying Parameter Identification Algorithms: Finite and Fixed-Time Convergence

Abstract : In this paper the problem of time-varying parameter identification is studied. To this aim, two identification algorithms are developed in order to identify time-varying parameters in a finite-time or prescribed time (fixed-time). The convergence proofs are based on a notion of finite-time stability over finite intervals of time, i.e. Short-finite-time stability; homogeneity for time-varying systems; and Lyapunov-based approach. The results are obtained under injectivity of the regressor term, which is related to the classical identifiability condition. The case of bounded disturbances (noise of measurements) is analyzed for both algorithms. Simulation results illustrate the feasibility of the proposed algorithms.
Document type :
Journal articles
Complete list of metadata

Cited literature [24 references]  Display  Hide  Download

Contributor : Denis Efimov Connect in order to contact the contributor
Submitted on : Saturday, February 18, 2017 - 9:36:29 AM
Last modification on : Friday, February 4, 2022 - 3:14:41 AM
Long-term archiving on: : Friday, May 19, 2017 - 12:13:22 PM


Files produced by the author(s)




Hector Ríos, Denis Efimov, Jaime Moreno, Wilfrid Perruquetti, J Rueda-Escobedo. Time-Varying Parameter Identification Algorithms: Finite and Fixed-Time Convergence. IEEE Transactions on Automatic Control, Institute of Electrical and Electronics Engineers, 2018, ⟨10.1109/TAC.2017.2673413⟩. ⟨hal-01470957⟩



Record views


Files downloads