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Table 5 Comparison between the initial and optimal settings

From: Modeling and Optimizing the Composite Prepreg Tape Winding Process Based on Grey Relational Analysis Coupled with BP Neural Network and Bat Algorithm

 

T

F

P

V

Experiment results

GRG

Tensile strength (MPa)

Void content (%)

Initial

75

300

1500

10

1215.31

0.15

0.9686

Optimal

73.8

291.2

1804.1

9.1

1329.62

0.137

0.9796

Improvement

    

+ 15.69

− 0.013

+ 0.0110

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