Influence Factor of Naval Vessel’s Equipment under Optimized Sailing Strategy

Table 7

Improvement order of comprehensive reliability and maintainability improvement engineering.

Subsystem	Equipment	IF	Reliability	Maintain-ability	Weighted difficulty factor	Weighted IF	Weighted order
Propulsion subsystem	Gas turbine	3.674	0.954	0.944	0.949	0.187	1
	Diesel engine	1.144	0.872	0.852	0.862	0.158	2
	Shaft	0.201	0.221	0.235	0.228	0.155	3
	Propeller	0.201	0.213	0.217	0.215	0.158	2
	Auxiliary device	0.042	0.166	0.174	0.170	0.035	4
	Gearbox device	0.215	0.125	0.135	0.130	0.187	1
	Monitoring device	0.042	0.194	0.198	0.196	0.034	5
Electrical power subsystem	Diesel generator sets	0.202	0.753	0.789	0.771	0.046	3
	Power monitoring device	0.114	0.195	0.186	0.191	0.092	2
	Front distribution board	1.088	0.519	0.498	0.509	0.534	1
	Rear distribution board	1.088	0.519	0.498	0.509	0.534	1