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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한전자공학회 IEIE Transactions on Smart Processing & Computing IEIE Transactions on Smart Processing & Computing Vol.7 No.3
- 발행연도
- 2018.6
- 수록면
- 251 - 256 (6page)
- DOI
- 10.5573/IEIESPC.2018.7.3.251
이용수
초록· 키워드
오류제보하기
For lithium-ion secondary batteries used as power sources, battery control systems are inevitably required to operate the batteries efficiently and to protect the batteries and systems during various operational situations. Existing battery state-of-charge (SOC) estimation techniques allow internal impedance measurement only under static load situations for the monitoring and management of accurate internal impedance. Such techniques cannot be used in electric vehicle battery management systems in which a static load is not possible while driving. To address such problems, this study proposes an internal impedance measurement technique for dynamic load situations. Each frequency component ratio is acquired by performing a real-time fast Fourier transform of the current, and the correlation between internal impedance measurement errors under a dynamic load is obtained using each frequency component ratio. An experiment demonstrates that the correlation coefficient is 0.910 between the component ratio in the 4.375–5 Hz band and the internal impedance measurement error. Therefore, the frequency component ratio is determined as the internal impedance measurement from the proposed algorithm. The average error between the internal impedance obtained by the proposed algorithm and that obtained by a battery simulator is 0.0011 Ω.
목차
Abstract
1. Introduction
2. SOC Estimation Method with Impedance Track
3. Proposed Method
4. Experiment Results and Discussion
5. Conclusion
References
참고문헌 (14)
참고문헌 신청
[학술지(정기간행물)] - S. F. Tie / 2013 / A Review of Energy Sources and Energy Management System in Electric Vehicles / Renewable and Sustainable Energy Reviews 20 : 82 ~ 102
[학술지(정기간행물)] - H. Rahimi-Eichi / 2013 / Battery Management System: An Overview of Its Application in the Smart Grid and Electric Vehicles / IEEE Industrial Electronics Magazine 7 : 4 ~ 16
[단행본] - J. Jiang / 2015 / Fundamentals and Applications of Lithium-Ion Batteries in Electric Drive Vehicles / Wiley
[학술지(정기간행물)] - J. H. Aylor / 1992 / A Battery State-of-Charge Indicator for Electric Wheelchairs / IEEE Transaction on Industrial Electronics 39 : 398 ~ 409
[학술지(정기간행물)] - S. Lee / 2008 / State-of-Charge and Capacity Estimation of Lithium-ion Battery using a New Open-Circuit Voltage Versus State-of-Charge / Journal of Power Sources 185 (2) : 1367 ~ 1373
[학술지(정기간행물)] - H. Rahimi-Eichi / 2013 / Battery Management System: An Overview of Its Application in the Smart Grid and Electric Vehicles / IEEE Industrial Electronics Magazine 7 : 4 ~ 16
[단행본] - J. Jiang / 2015 / Fundamentals and Applications of Lithium-Ion Batteries in Electric Drive Vehicles / Wiley
[학술지(정기간행물)] - J. H. Aylor / 1992 / A Battery State-of-Charge Indicator for Electric Wheelchairs / IEEE Transaction on Industrial Electronics 39 : 398 ~ 409
[학술지(정기간행물)] - S. Lee / 2008 / State-of-Charge and Capacity Estimation of Lithium-ion Battery using a New Open-Circuit Voltage Versus State-of-Charge / Journal of Power Sources 185 (2) : 1367 ~ 1373
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UCI(KEPA) : I410-ECN-0101-2018-569-003112446