A Two-Stage Offline-to-Online Multiobjective Optimization Strategy for Ship Integrated Energy System Economical/ Environmental Scheduling Problem

Table 1

Parameter settings of ESS.

Initial cost (m.u./kW)	567
Replacement cost (m.u./kW)	467.9
Maintenance cost (kW·h·y)	2.67
Charging efficiency	0.86
Discharge efficiency	0.86
SOCmax	0.9
SOCmin	0.3
Initial SOC	0.5
Service life (yr)	2.5