飞机单机寿命监控技术评述

Review of Individual Aircraft Life Monitoring Technology

单机寿命监控对挖掘每一架飞机的寿命潜力,保证飞机结构的使用安全,延长飞机服役期限具有重要的意义。飞机单机寿命监控从技术方式上分为四种:定期检查和维修,飞参数据监控,危险部位应变监控与飞参数据监控相结合,以智能材料为基础和结构的监控。首先回顾了飞机寿命监控的时间发展历程,并对每个阶段监控方式的优缺点进行了比较,表明随着硬件技术的进步监控方式在不断的进步,精度也越来越高;然后总结了在单机寿命监控发展过程中使用的四种监控技术方式及其优缺点,通过对几种技术方式的分析,认为依赖于智能材料的飞机健康监测系统的监控将是未来单机寿命监控的发展方向。

Individual aircraft life monitoring is of important significance for tapping the potential of each aircraft＇s life,to ensure safe use of the aircraft structure and extend aircraft service period.At present,individual aircraft life monitoring can be divided into four categories according to the technology way：regular inspection and maintenance;monitoring based on flight parameter;combination of the monitoring based on strain of dangerous parts and the monitoring based on flight parameter;monitoring based on smart materials and structures.Firstly the development of aircraft life monitoring is reviewed,technology advantages and disadvantages of each stage are compared.It shows that with the hardware technology being constantly in progress,the monitoring technology is in progress too,and the accuracy is increasing.Then the four ways of monitoring technology,its advantages and disadvantages,used to monitor the development process of individual aircraft life,are summed up.Through the analysis of several technical methods of aircraft health monitoring system,it can be concluded that the monitoring method rely on the smart materials will be the direction of development in future for the individual aircraft life monitoring.