Robust adaptive estimation of arbitrary time-varying actuator faults

Autor: Christophe Aubrun, Kamel Menighed, Joseph-Julien Yame
Přispěvatelé: Centre de Recherche en Automatique de Nancy (CRAN), Université Henri Poincaré - Nancy 1 (UHP)-Institut National Polytechnique de Lorraine (INPL)-Centre National de la Recherche Scientifique (CNRS), YAME, JOSEPH
Jazyk: angličtina
Rok vydání: 2011
Předmět:
Zdroj: 50th IEEE Conference on Decision and Control and European Control Conference, CDC-ECC 2011
50th IEEE Conference on Decision and Control and European Control Conference, CDC-ECC 2011, Dec 2011, Orlando, United States. pp.3062-3067
CDC/ECC
Popis: International audience; We design a robust fault estimation technique for arbitrary time-varying faults based on an adaptive observer with enhanced speed of adaptation. The construction of the observer is carried out through a transformation of the plant model into its special coordinate basis (SCB) form. This transformation allows a decoupling of the fault estimates from the disturbances. A key feature of the overall scheme is that the adaptive mechanism is viewed as a filtering process which allows easy parameter tuning to achieve faster and exact fault estimation in the presence of disturbances and plant-model uncertainties.
Databáze: OpenAIRE