Multiobjective Multistate System Preventive Maintenance Model with Human Reliability

Table 3

Transition rates of assemblies with Weibull distribution.

a: Weibull scale parameter; b: Weibull shape parameter		ENG		UG		MTG
		a	b	a	b	a	b
Degradation rates		600	3.2	550	2.5	520	3.5
		650	3.4	590	2.7	560	3.7
		700	3.6	630	2.9	600	3.9
		800	4.0	700	3.3	670	4.3
Preventive maintenance rates		400	2	390	1.9	350	1.9
		430	1.6	410	1.7	370	1.7
		450	1.2	420	1.2	380	1.2
		400	2	390	1.9	350	1.9
		430	1.6	410	1.7	370	1.7
		400	2	390	1.9	350	1.9