1. Fuzzy control rules and their natural control laws;Bouslama;Fuzzy Sets and Systems,1992
2. Theory of the fuzzy controller: an introduction;Buckley;Fuzzy Sets and Systems,1992
3. BIBO stability of nonlinear fuzzy PI control systems;Chen;J. Intelligent Fuzzy Systems,1998
4. Improve quality control on-line with PID controllers;Deshpande;Chem. Engng Prog.,1991
5. Explicit formulas for fuzzy controller;Hajjaji;Fuzzy Sets and Systems,1994