考虑驾驶工况及老化程度的锂电池荷电状态估算

乌江, 张燕, 刘泽龙, 程刚, 雷冬, 焦朝勇

State of Charge Estimation of Lithium-Ion Battery Considering Operating Conditions and Aging Degree

WU Jiang, ZHANG Yan, LIU Zelong, CHENG Gang, LEI Dong, JIAO Chaoyong

表2 典型工况下不同算法估算ξSOC的误差

Tab.2 Error of different algorithms for estimation of ξSOC under typical operating conditions

工况 ADEKF AEKF EKF δMAE/% δME/% 收敛时间/s δMAE/% δME/% 收敛时间/s δMAE/% δME/% 收敛时间/s 恒流 0.46 1.96 130 1.17 2.75 213 1.94 3.85 440 DST 0.41 2.64 56 2.06 4.01 1250 2.50 6.13 2776 BBDST 0.38 2.33 158 2.30 3.72 1440 2.74 4.95 2694