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궤환 선형화 및 전류오차를 이용한 유도전동기 비선형 센서리스제어
서강성(Kang-Sung Seo),정삼용(Sam-Yong Jeong),정병호(Byung-Ho Jung),이강연(Kang-Youn Lee),조금배(Geum-Bae Cho),백형래(Hyung-Lae Baek) 전력전자학회 2001 전력전자학술대회 논문집 Vol.2001 No.7
In this paper, author consider the nonlinear control by using feedback linearization for independent control and estimation algorithm such as speed, rotor flux and rotor resistance to achieve sensorless control of induction motor.<br/> The dynamic characteristics of the proposed nonlinear control algorithm is verified by simulation.
히스테리시스 밴드에 따른 직접토오크 제어특성에 관한 연구
최연옥(Youn-Ok Choi),임홍우(Hong-Woo Lim),정삼용(Sam-Yong Jeong),신사현(Sa-Hyun Shin),장용해(Yong-Hae Jang),조금배(Geum-Bae Cho),백형래(Hyung-Lae Baek) 전력전자학회 2000 전력전자학술대회 논문집 Vol.2000 No.11
Direct torque control(DTC) of AC motor has the fast torque and flux dynamic responses even though it has very simple scheme to implement. DTC is also very simple in its implementation because it needs only two hysteresis comparators and switching vector table for both flux and torque control. The amplitude of hysteresis band greatly influences on the drive performance such as flux and torque ripple, switching frequency and current harmonics. Therefore, authors analysis flux and torque hysteresis bands is suggested considering switching frequency and harmonic distortion of currents.