Robust feedback linearization and fuzzy control

Three design techniques for global nonlinear controllers are discussed and linked together: feedback linearization, sliding mode control and fuzzy heuristic control. It is shown how feedback linearization and sliding mode control can be combined to design a "robust feedback linearization controller", and how some properties of this kind of controller can be used to obtain guidelines for the application of fuzzy heuristic controllers. The techniques are applied to a stirred tank reactor system.