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3 不同算法估算老化电池ξ_SOC的误差对比

Tab.3 Comparison of errors of different algorithms for estimation of ξ_SOC of aged batteries

SOH/%	ADEKF		AEKF		EKF
SOH/%	δ_MAE/%	δ_ME/%	δ_MAE/%	δ_ME/%	δ_MAE/%	δ_ME/%
100	0.46	1.96	1.17	2.75	1.94	3.85
94.9	0.47	2.41	1.43	3.50	2.31	4.59
90.8	0.56	2.08	1.57	2.84	2.49	4.64
84.6	0.62	1.97	2.94	5.81	2.76	3.07
79.2	0.66	2.99	1.51	3.48	2.61	3.79