Estimation Strategies for the Condition Monitoring of a Battery System in a Hybrid Electric Vehicle

Table 1

Quantitative summary of results.

		EKF		PF		QKF		SVSF
States and parameters		Case  (1)	Case  (2)	Case  (1)	Case  (2)	Case  (1)	Case  (2)	Case  (1)	Case  (2)
RMSE	𝑉𝐶𝑏	2.25E − 09	5.61E − 01	2.34E − 04	9.50E − 03	2.07E − 05	4.19E − 05	2.82E − 07	1.24E − 08
	𝑉𝐶𝑐	1.10E − 08	9.23E − 02	2.95E − 04	1.30E − 03	2.07E − 05	4.19E − 05	6.58E − 07	9.62E − 09
	𝐶𝑏	12.02	597	41.19	1196	28.07	1196	18.48	1195
	𝐶𝑐	1.40	89	2.19	177	1.20	177	0.73	177
Simulation time (sec)		0.38	0.44	3.27	3.34	8.35	8.42	0.39	0.39