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학술지 Sliding Mode Observer Driver IC Integrated Gate Driver for Sensorless Speed Control of Wide Power Range of PMSMs
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저자
오지민, 김민기, 허세완, 석정희, 양일석, 박기태, 김진성
발행일
201512
출처
ETRI Journal, v.37 no.6, pp.1176-1187
ISSN
1225-6463
출판사
한국전자통신연구원 (ETRI)
DOI
https://dx.doi.org/10.4218/etrij.15.0115.0002
협약과제
14PB1500, BLDC 모터용 고전압/대전류 파워모듈 및 ESD 기술개발, 양일석
초록
This work proposes a highly efficient sensorless motor driver chip for various permanent-magnet synchronous motors (PMSMs) in a wide power range. The motor driver chip is composed of two important parts. The digital part is a sensorless controller consisting mainly of an angle estimation block and a speed control block. The analog part consists of a gate driver, which is able to sense the phase current of a motor. The sensorless algorithms adapted in this paper include a sliding mode observer (SMO) method that has high robust characteristics regarding parameter variations of PMSMs. Fabricated SMO chips detect back electromotive force signals. Furthermore, motor current창?궗"sensing blocks are included with a 10-bit successive approximation analog-to-digital converter and various gain current amplifiers for proper sensorless operations. Through a fabricated SMO chip, we were able to demonstrate rated powers of 32 W, 200 W, and 1,500 W.
키워드
Integrated gate driver, Sensorless speed control, Sliding mode observer driver IC, Wide power range of motors
KSP 제안 키워드
Analog part, Analog to digital converter(ADC), Angle Estimation, Control block, Integrated gate driver, Motor driver, Permanent Magnet Synchronous Motor(PMSM), Phase current, Power range, Sensorless speed control, Sliding Mode Observer(SMO)