Ngo Ha Quang Thinh Wonho Kim Implementation of Fuzzy Self-Tuning PID and Feed-Forward Design for High-Performance Motion Control System. 136-144 2014 14 Int. J. Fuzzy Log. Intell. Syst. 2 https://doi.org/10.5391/IJFIS.2014.14.2.136 db/journals/ijflis/ijflis14.html#ThinhK14