2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/15654Changes in parameters of a physical device can eventually lead to catastrophic failure. This paper discusses a parameter estimation method based on synchronization between a model and time series data. In particular, we examine the robustness of the method to additive noise in the data.7 pages, 7 figures, The paper has been submitted for publication. It replaces the previous paper by Goodwin and BrownChaotic Dynamicstext