A free-model based controller design and its application to power system stabilization. - Kwang Y. Lee; Hee-Sang Ko; Ho-Chan Kim; Jin-Ho Lee; Young-Moon Park (ACC, 2001)

Power system stabilization using fuzzy-neural hybrid intelligent control. - Hee-Sang Ko; T. Niimura (ISIC, 2002)

Generalized Minimum Variance Neuro Controller for Power System Stabilization. - Hee-Sang Ko; Kwang Y. Lee; Min-Jae Kang; Ho-Chan Kim (ISNN (2), 2006)

Power Quality Control of Hybrid Wind Power Generation System Using Fuzzy-Robust Controller. - Hee-Sang Ko; Min-Jae Kang; Chang-Jin Boo; Chong-Keun Jwa; Sang-Soo Kang; Ho-Chan Kim (ICONIP (2), 2007)

Electricity Quality Control of an Independent Power System Based on Hybrid Intelligent Controller. - Hee-Sang Ko; Min-Jae Kang; Ho-Chan Kim (ICONIP (2), 2007)

Differences in Input Space Stability Between Using the Inverted Output of Amplifier and Negative Conductance for Inhibitory Synapse. - Min-Jae Kang; Ho-Chan Kim; Wang-Cheol Song; Junghoon Lee; Hee-Sang Ko; Jacek M. Zurada (ISNN (1), 2007)

Power quality control of an autonomous wind-diesel power system based on hybrid intelligent controller. - Hee-Sang Ko; Kwang Y. Lee; Min-Jae Kang; Ho-Chan Kim (Neural Networks, 2008)