Performance degradation modeling based method foroptimizing equipment inspection
一种基于性能退化建模的设备最优监测时机确定方法

Aiming at overcoming the difficulty of failure data acquisition and the reasonless of inspection and maintenance strategy of long-life, high-cost, high-reliability equipment, the degradation failure process was modeled, and the reliability, as well as residual useful life was evaluated by using the periodic inspection data on the basis of drift Brownian-movement. Moreover, when the inspection and maintenance cost and reliability requirement of a equipment are considered, this paper proposed a method for best inspection interval decision-making through minimizing the unit time expect inspection and maintenance cost. The reliability, residual useful life during the storage and the best inspection interval after the last inspection of the gyroscope in an inertial platform were gained using the menstrual inspection data. And the applicability of the proposed method is validated accordingly.