Opportunistic Maintenance Policy for a System with Hidden Failures: A Multicriteria Approach Applied to an Emergency Diesel Generator

Table 1

Data regarding equipment failure.

Inspections				Demand per year
Year	Number of inspections performed/year	Failure to start	Failure to run	Demand per year	Failure to start	Failure to run
2000	12	3	1	42	7	2
2001	12	2	0	31	5	0
2002	12	1	0	28	2	0
2003	12	3	1	24	4	0
2004	12	4	2	20	3	1
2005	12	2	0	22	6	1
2006	12	1	0	26	4	0
2007	12	3	1	33	2	0
2008	12	2	1	29	4	1
2009	12	2	0	31	6	0
2010	12	1	1	36	3	1
2011	12	3	0	33	4	0
2012	12	2	1	37	6	1
2013	12	2	0	41	4	1
Total	168	31	8	433	60	8