Research of Spare Scheme Regulated Method Based on System Reliability Model

With the constant accumulation of the operation reliability of equipment,the operation reliability information is fully used to regulate the spare scheme of the equipment which is significant of reducing the whole life cycle cost of the equipment.For some high reliability spare,there is usually small-sample or non-failure information in a fixed period.It is not applicable to estimate the operation failure rate through traditional estimation method.So it is difficult to regulate the spare disposition number.Aiming at the status,the different historical reliability information is fully used.One of the method of the spare failure rate estimation based on system reliability model is proposed.And then the regulate method of spare scheme is proposed.The conclusion provides guidelines for spare ordering.