Adaptive Techniques For The Mrac, Adaptive Parameteridentification, And On-line Fault Monitoring And accommodation For A Class Of Positive Real infinite Dimensional Systems

摘要

A theoretical framework of the model reference adaptive control design, adaptive parameter identification and automated fault detection is developed for a class of positive real infinite dimensional systems. Uncertain terms are treated as additive perturbations of the plant operator and the framework provides a unified treatment for model reference control, parameter estimation and fault detection and accommodation. For each design problem the well-posedness and stability of the proposed adaptive scheme are investigated. Extensions to the variable structure observer, to specific forms of the structured perturbation terms and to slowly time-varying systems are also considered within the proposed framework. Such results are summarized as they capitalize on the proposed well-posedness and stability results for the general cases.