A Study on the Stable Sensorless Control of BLDC Motor Inside Auxiliary Air Compressoropen access
- Authors
- Kim, In-Gun; Hong, Hyun-Seok; Go, Sung-Chul; Oh, Ye-Jun; Joo, Kyoung-Jin; Lee, Ju
- Issue Date
- Jan-2017
- Publisher
- KOREAN INST ELECTR ENG
- Keywords
- Auxiliary air compressor; Non-commutation area; BLDC motor; Sensorless control; Zero crossing point(ZCP); Pure back EMF
- Citation
- JOURNAL OF ELECTRICAL ENGINEERING & TECHNOLOGY, v.12, no.1, pp.466 - 471
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- JOURNAL OF ELECTRICAL ENGINEERING & TECHNOLOGY
- Volume
- 12
- Number
- 1
- Start Page
- 466
- End Page
- 471
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/153061
- DOI
- 10.5370/JEET.2017.12.1.466
- ISSN
- 1975-0102
- Abstract
- Pantograph must be correctly attached to catenary to continuously supply stable power to railway vehicle, and the device used here is Auxiliary Air Compressor (ACM). The existing ACM used the DC motor that included commutator and brush. Since maintenance and repair by mechanical friction are essential for the DC motor, BLDC motor studies have been conducted to improve this. A three-phase BLDC motor does 120 degrees two-phase commutation through hall sensors in general. However, since hall sensor is vulnerable to heat and can run only when all three sensors work normally, sensorless control method has been studied to solve this. Using back EMF Zero Crossing Point (ZCP) detection method, this paper will introduce a stable switching sensing method that has a non-commutation area in a low speed zone.
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