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Sang-Chip Lee,Kee-Young Jeon,Seung-Hwan Lee,Bong-Hwan Oh,Hoon-Goo Lee,Kyung-Hee Han 전력전자학회 2004 ICPE(ISPE)논문집 Vol.- No.-
This paper estimates a coefficient of adhesion through speed sensor-less vector control and load torque disturbance observer for controlling maximum tractive force, and also proposes anti-slip control algorithm, which controls torque force of motor in order to keep the estimated adhesion force in maximum adhesion by controlling PI torque with the differential value of estimated adhesion force coefficient.
Twin converter를 이용한 전자식 안정기에 관한 연구
이상집(Sang-Chip Lee),한홍일(Hong-Il Han),성낙규(Nark-Kuy Sung),백동현(Dong-Hyun Baek),김성남(Sung-Nam Kim),한경희(Kyung-Hee Han) 전력전자학회 2000 전력전자학술대회 논문집 Vol.2000 No.11
The rectifier circuit has been used in the various fields of inverter progress. This is simple and low price. Otherwise, it has many problems in harmonic, low power factor and etc.<br/> This paper use the twin converter of two jewel booster. It doesn't need the detection of voltage, current and control PWM. The twin converter has stably the rectification source. Also, the circuit is used a half-bridge inverter in the electronic ballast for lighting. Therefore, this method is confirmed in high efficiency.
Power Electronic Materials Research to Enable Next Generation GaN Power Switches
Charles R. “Chip” Eddy,N. Nepal,V.R. Anderson,C.R. English,N.Y. Garces,V.D. Wheeler,B.N. Feigelson,J.D. Greenlee,M.J. Tadjer,A.D. Koehler,T.J. Anderson,T.I. Feygelson,B.B. Pate,M.A. Mastro,F.J. Kub,K. 한국진공학회 2017 한국진공학회 학술발표회초록집 Vol.2017 No.8