Maintenance Interval Period Optimization Method of Complex System Based on Availability

Targeting at the complex system which is supported by three maintenance agencies,the maintenance strategy composed of failure maintenance and scheduled maintenance is adopted,we build the system mean availability model which relates to maintenance rules and maintenance intervals is built. At the same time,a method is given to solve the model,and a flow chart is also given to optimize maintenance cycle of the system. At last,a case is given to show validity of the model and maintenance rules influence to system availability.