RELIABLE CONTROL OF UNCERTAIN NONLINEAR-SYSTEMS

This paper is concerned with the reliable controller design problem fo r a class of uncertain nonlinear systems. For the primary contingency problem, a procedure of designing reliable nonlinear controllers is pr esented in terms of solutions of Hamilton-Jacobi inequalities. The res ulting closed-loop nonlinear system is reliable in the sense that the performance (i.e. internal stability and H-infinity attenuation) of th e closed-loop system is guaranteed not only when all sensors and actua tors are operational, but also when some sensor and actuator outages o ccur. (C) 1998 Elsevier Science Ltd. All rights reserved.