Research on Optimization of Injection Molding Process Parameters of Automobile Plastic Front-End Frame

Table 17

Comparison table of neural network models before and after optimization.

	Modeling time (s)	Mean square error of volume shrinkage	Mean square error of warpage
Pre-optimized BP neural network	5.3352	1.5670	0.9865
Optimization of BP neural network by GA	0.2340	0.1258	0.0421