A FUZZY LOGIC METHOD FOR AUTOTUNING A PID CONTROLLER: SISO AND MIMO SYSTEMS
Matheus Alves Almeida, Antonio Augusto Rodrigues Coelho · 2002
In this paper a new method for autotuning SISO and MIMO PID fuzzy logic controllers (FLC) is proposed. The fuzzy autotune procedure adjusts on-line the parameters of a conventional PID controller located in the forward loop of the process. Fuzzy rules are based on the representation of human expertise on how can be the behaviour of gain and phase margins of a control system to efficiently compensating the system errors. Performance and robust stability aspects are assessed by practical and simulated examples.