지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2024.4
- 수록면
- 139 - 146 (8page)
- DOI
- 10.5207/JIEIE.2024.38.2.139
이용수
초록· 키워드
오류제보하기
This paper proposes a method of compensation for the SOC estimation error of the current integration method using the power-off time of the vehicle system. The current integration method can derive accurate results in real time with simple algorithm application and low cost. However, a challenge arises when errors in the battery’s initial values and noise from current measurements accumulate, increasing SOC estimation errors. To solve this problem, the time from the vehicle’s ignition off to ignition on is regarded as the battery rest time. After a specific rest time, the accumulated error is corrected by measuring the open voltage of the battery and correcting the SOC value of the existing current integration method. To verify the proposed method a Battery Monitoring System (BMS) that can measure the amount of current change in real time is configured and the accuracy of the estimation method is verified by performing battery charging and discharging experiments.
목차
Abstract
1. 서론
2. 리튬이온 배터리 개요
3. 리튬이온 배터리 SOC 추정법
4. 리튬이온 배터리 SOC 추정 실험
5. 결론
References
참고문헌 (13)
참고문헌 신청
K.-B. Lee, “Advanced power electronics,” Munundang, 2019.
K.-B. Lee, et al., “Smart inverter,” Munundang, 2021.
J, H, Park, W. C. Cha, U. R. Cho, and J. C. Kim, “State of charge estimation of Li-Ion battery based on CIM and OCV using extended kalman filter,” Journal of the Korean Institute of Illuminating and Electrical Installation Engineers, vol. 28, no. 11, pp. 77-83, 2014.
S. K. Kim, “Battery cell balancing current control algorithm with SoC precision prediction,” M.Sc. Thesis, Department of Computer Science and Engineering, Korea University, 2020.
H. J. Kang, H. B. Park, K. H. Han, and D. Y. Yoon, “A CFD modeling of heat generation and charge-discharge behavior of a Li-ion secondary battery,” Journal of the Korean Electrochemical Society, vol. 19, no 3, pp. 114-121. 2016.
K.-B. Lee, et al., “Smart inverter,” Munundang, 2021.
J, H, Park, W. C. Cha, U. R. Cho, and J. C. Kim, “State of charge estimation of Li-Ion battery based on CIM and OCV using extended kalman filter,” Journal of the Korean Institute of Illuminating and Electrical Installation Engineers, vol. 28, no. 11, pp. 77-83, 2014.
S. K. Kim, “Battery cell balancing current control algorithm with SoC precision prediction,” M.Sc. Thesis, Department of Computer Science and Engineering, Korea University, 2020.
H. J. Kang, H. B. Park, K. H. Han, and D. Y. Yoon, “A CFD modeling of heat generation and charge-discharge behavior of a Li-ion secondary battery,” Journal of the Korean Electrochemical Society, vol. 19, no 3, pp. 114-121. 2016.
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