Research Article

Determination of Optimal Warranty Period with Preventive Maintenance Actions for Items from Heterogeneous Populations

Table 7

Optimal set of parameters and the corresponding minimum ECR for different settings of repair time limit to investigate the optimal length of warranty period when and

ECRECRECR

1/120.48927.13980.48943.93420.49563.6260
2/120.46227.45560.46544.41770.46864.2857
3/120.44727.73750.45044.85050.45364.8777
4/120.43827.99170.44145.24150.44465.4133
5/120.42928.22220.43245.59640.43565.9004
6/120.42328.43180.42645.91950.43266.3442
7/120.42028.62290.42346.21420.42666.7493
8/120.41428.79730.41746.48350.42367.1199
9/120.41128.95680.41446.72980.41767.4590
10/120.40829.10270.41146.95520.41467.7695
11/120.40529.23630.40847.16180.41468.0541
12/120.40229.35880.40847.35110.41168.3149