Skip to main content

Table 6 Comparison between Grey model and Grey-Markov model

From: Digital Twin-based Quality Management Method for the Assembly Process of Aerospace Products with the Grey-Markov Model and Apriori Algorithm

Product code

Actual value (mm)

Grey model

Grey-Markov model

Predicted value (mm)

Relative error (%)

Predicted value (mm)

Relative error (%)

A4-14

14.537

15.037

3.44

14.737

1.38