Journals
Publish with us
Publishing partnerships
About us
Blog
Mathematical Problems in Engineering
Journal overview
For authors
For reviewers
For editors
Table of Contents
Special Issues
Mathematical Problems in Engineering
/
2017
/
Article
/
Tab 3
/
Research Article
Optimal Cost-Effective Maintenance Policy for a Helicopter Gearbox Early Fault Detection under Varying Load
Table 3
Model parameters estimation with EM algorithm using different initial values.
Parameters
Initial values
First iteration
Second iteration
Last iteration
0.5
0.3176
0.8920
1.0000
0.5
0.6824
0.1080
5
3
3
2
5
2
2
2
0.3
0.2663
0.2199
0.2070
—
−1.98
−1.53
−1.32