SENSOR FAULT TOLERANT CONTROL DESIGN APPLIED TO A WINDING MACHINE

This paper describes an Active Fault Tolerant Control System based on a Linear Time Varying (LTV) model for a winding machine. It shows that, according to an experimental identification approach, a LTV model is ideally suited to improve the control of web tension. Moreover, based on this model, a sensor fault detection, isolation and estimation module is developed. This estimation is of paramount importance to compensate for this fault using sensor masking principles and to preserve the system performances. The effectiveness and performances of the strategy are illustrated via real tests.