Zhong-Xian Wang Jueng-je Yang Tae-Chon Ahn The Design of Self-tuning Strategy of Genetically Optimized Fuzzy-PI Controller for HVDC System. 52-59 2006 conf/kes/2006-1 KES (1) http://dx.doi.org/10.1007/11892960_7 db/conf/kes/kes2006-1.html#WangYA06