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TMS320F240을 이용한 BLDC 전동기의 리플저감에 대한 연구
노광호(Kwang-Ho Roh),김용(Yong Kim),이승일(Seung-Il Lee),조규만(Gyu-Man Cho),이규훈(Kyu-Hun Lee) 한국조명·전기설비학회 2000 한국조명·전기설비학회 학술대회논문집 Vol.2000 No.-
This paper presents a ripple reduction of BIDC motor using TMS320F240. A fault of permanent magnet(PM) BLDC motor possible to miniaturization and high-output is to be difficult to reduce speed-ripple at low speed region. An existing solution is to be use of PWM waveform by PI control with computing control angle of 60°. The new family of DSP controllers provides a single chip solution by integrating on-chip not only a high computational power but also, all the peripherals necessary for electric motor control. This paper gives an advanced solution of the SVPWM technique for the purpose of reducing control angle rather than 60°. This technique gives an excellent speed ripple characteristic.
농흉 및 합병된 부폐렴성 흉막 삼출 환자에서 Pigtail 도관 배액의 유용성
박정우 ( Park Jeong U ),유승민 ( Yu Seung Min ),설원종 ( Seol Won Jong ),백은기 ( Baeg Eun Gi ),이규훈 ( Lee Gyu Hun ),서준범 ( Seo Jun Beom ),정성환 ( Jeong Seong Hwan ),안창혁 ( An Chang Hyeog ),임영희 ( Im Yeong Hui ),박정웅 ( 대한결핵 및 호흡기학회 2003 Tuberculosis and Respiratory Diseases Vol.54 No.2