An Improved Prediction Model of IGBT Junction Temperature Based on Backpropagation Neural Network and Kalman Filter

Table 4

RMSE and MAPE comparisons of three predicting methods.

Method	Condition	RMSE^1	MAPE^2
BP mean	< 42 A	3.6528	0.0221
	> 42 A	5.2501	0.0309
Interpolation	< 42 A	5.9161	0.0349
	> 42 A	5.5588	0.0335
Kalman filter	< 42 A	2.6415	0.0166
	> 42 A	4.8282	0.0284

¹Root mean square error. ²Mean absolute percentage error.