The Design of Self-tuning Strategy of Genetically Optimized Fuzzy-PI Controller for HVDC System. - Zhong-Xian Wang; Jueng-je Yang; Tae-Chon Ahn (KES (1), 2006)

Design of Adaptive Fuzzy-PI Control with the Aid of Rough Set Theory and Its Application to a HVDC System. - Zhong-Xian Wang; Tae-Chon Ahn (ICIC (1), 2007)