Equivalent Circuit Parameters Estimation for PEM Fuel Cell Using RBF Neural Network and Enhanced Particle Swarm Optimization

Table 1

Estimation performance of testing data.

Data base	Level of load current	Accuracy rate
Testing data (120 patterns)	Level 1 (0~0.8 A)	94.2%
	Level 2 (0.8~1.6 A)	95.1%
	Level 3 (1.6~2.4 A)	93.7%
	Level 4 (2.4~3.2 A)	95.5%
	Level 5 (3.2~4.0 A)	95.8%
	Level 6 (4.0~4.8 A)	96.2%
	Level 7 (4.8~5.6 A)	96.8%
	Level 8 (5.6~6.4 A)	95.6%
	Level 9 (6.4~7.2 A)	94.7%
	Level 10 (7.2~8.0 A)	95.2%
	Level 11 (8.0~8.8 A)	95.6%
	Level 12 (8.8~9.6 A)	95.7%
	Level 13 (9.6~10.4 A)	96.2%
	Level 14 (10.4~11.2 A)	96.4%
	Level 15 (11.2~12.0 A)	95.4%