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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.3
- 수록면
- 501 - 513 (13page)
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초록· 키워드
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The fundamental small-signal modeling of lithium-ion (Li-ion) batteries and a parameter evaluation approach are investigated in this study to describe the dynamic behaviors of small signals accurately. The main contributions of the study are as follows. 1) The operational principle of the small signals of Li-ion batteries is revealed to prove that the sinusoidal voltage response of a Li-ion battery is a result of a sinusoidal current stimulation of an AC small signals. 2) Three small-signal measurement conditions, namely stability, causality, and linearity, are proved mathematically proven to ensure the validity of the frequency response of the experimental data. 3) Based on the internal structure and electrochemical operational mechanism of the battery, an AC small-signal model is established to depict its dynamic behaviors. 4) A classical least-squares curve fitting for experimental data, referred as Levy’s method, are introduced and developed to identify small-signal model parameters. Experimental and simulation results show that the measured frequency response data fit well within reading accuracy of the simulated results; moreover, the small-signal parameters identified by Levy’s method are remarkably close to the measured parameters. Although the fundamental and parameter evaluation approaches are discussed for Li-ion batteries, they are expected to be applicable for other batteries.
목차
Abstract
I. INTRODUCTION
II. OPERATIONAL PRINCIPLE OF SMALL-SIGNAL INJECTION
III. AC SMALL-SIGNAL MEASUREMENT CONDITION
IV. AC SMALL-SIGNAL MODEL FOR LI-ION BATTERY
V. FREQUENCY RESPONSE CURVE FITTING USING LEVY’S METHOD
VI. SMALL-SIGNAL EXPERIMENTS AND RESULTS
VII. CONCLUSIONS
REFERENCES
참고문헌 (21)
참고문헌 신청
[학술지(정기간행물)] - J. Jang / 2011 / Equivalent circuit evaluation method of lithium polymer battery using bode plot and numerical analysis / IEEE Trans. Energy Convers. 26 (1) : 290 ~ 298
[학술지(정기간행물)] - B. Scrosati / 2010 / Lithium batteries : Status, prospects and future / Journal of Power Sources 195 (9) : 2419 ~ 2430
[학술지(정기간행물)] - X. Hu / 2014 / Model-based dynamic power assessment of lithium-ion batteries considering different operating conditions / IEEE Trans. Ind. Informat. 10 (3) : 1948 ~ 1959
[학술지(정기간행물)] - X. Hu / 2012 / A comparative study of equivalent circuit models for Li-ion batteries / Journal of Power Sources 198 (15) : 359 ~ 367
[학술지(정기간행물)] - B. Pattipati / 2011 / System identification and estimation framework for pivotal automotive battery management system characteristics / IEEE Trans. Syst, Man, Cybern, Part C(Applications and Reviews) 41 (6) : 869 ~ 884
[학술지(정기간행물)] - B. Scrosati / 2010 / Lithium batteries : Status, prospects and future / Journal of Power Sources 195 (9) : 2419 ~ 2430
[학술지(정기간행물)] - X. Hu / 2014 / Model-based dynamic power assessment of lithium-ion batteries considering different operating conditions / IEEE Trans. Ind. Informat. 10 (3) : 1948 ~ 1959
[학술지(정기간행물)] - X. Hu / 2012 / A comparative study of equivalent circuit models for Li-ion batteries / Journal of Power Sources 198 (15) : 359 ~ 367
[학술지(정기간행물)] - B. Pattipati / 2011 / System identification and estimation framework for pivotal automotive battery management system characteristics / IEEE Trans. Syst, Man, Cybern, Part C(Applications and Reviews) 41 (6) : 869 ~ 884
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UCI(KEPA) : I410-ECN-0101-2017-560-002321339