선형 홀센서를 이용한 정현파 엔코더의 DSP 구현
- Authors
- 황정호; 정찬수
- Issue Date
- Feb-2012
- Publisher
- 대한전기학회
- Keywords
- Sine encoder; BLDC; BLAC; PMSM; DSP
- Citation
- 전기학회논문지, v.61, no.2, pp.298 - 302
- Journal Title
- 전기학회논문지
- Volume
- 61
- Number
- 2
- Start Page
- 298
- End Page
- 302
- URI
- http://scholarworks.bwise.kr/ssu/handle/2018.sw.ssu/12719
- ISSN
- 1975-8359
- Abstract
- The linear encoder used in the BLAC driving circuit consists usually analog type sensor, and need signal transform from analog sinusoidal to digital one for application in the PWM algorithm that is used to control motor current. When the motor is driven in low speed, it is required many operations and higher quality DSP to convert the hole sensor signal to digital one with enough resolution. In this paper, the another method to convert that signal with enough resolution without calculation of sine function is proposed. This is very simple and have high resolution even if the motor is driving in low speed. To verify the proposed method, BLAC motor is used, and it is proved that the motor is tracking well the reference step signal in the low speed as well as in the high one.
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Collections - College of Engineering > School of Electrical Engineering > 1. Journal Articles
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