Digital Implementation of Fractional Order PID-Type Controller for Boost DC-DC Converter. - Sang-Wha Seo; Han Ho Choi (IEEE Access, 2019)

High Step-Up Interleaved Converter Mixed With Magnetic Coupling and Voltage Lift. - Sang-Wha Seo; Dong-Kuk Lim; Han Ho Choi (IEEE Access, 2020)

Non-Isolated High Step-Up DC/DC Converter With Coupled Inductor and Switched Capacitor. - Sang-Wha Seo; Joon-Hyoung Ryu; Yong Kim; Han Ho Choi (IEEE Access, 2020)

Ultra-High Step-Up Interleaved Converter With Low Voltage Stress. - Sang-Wha Seo; Joon-Hyoung Ryu; Yong Kim; Jae-Bum Lee (IEEE Access, 2021)

Transformerless Quadruple High Step-Up DC/DC Converter Using Coupled Inductors. - Sang-Wha Seo; Joon-Hyoung Ryu; Yong Kim; Han Ho Choi (IEEE Access, 2022)

Input-Parallel Output-Series High Step-Up DC/DC Converter With Coupled Inductor and Switched Capacitor. - Sang-Wha Seo; Joon-Hyoung Ryu; Han Ho Choi; Jae-Bum Lee (IEEE Access, 2023)

Bidirectional High Step-Up/Down DC/DC Converter With a Coupled Inductor and Switched Capacitor. - Sang-Wha Seo; Joon-Hyoung Ryu; June-Seok Lee (IEEE Trans. Circuits Syst. I Regul. Pap., 2024)