Observers for a Class of Nonlinear Systems

In this chapter will give a synthesis of the proposed observers for a class of nonlinear systems . We recall that in general, the main goal of the synthesis of an observer is the complete reconstruction of the state of the system. In the linear case, it is easy to see how this is proposed: the observer is a copy of 5h3 original system with a correction term given by the output error. Eventually, if the outputs match, the trajectories of the original system and the observer system are the same.