【摘要】 随着航空科学技术的飞速发展,大量新型材料和先进工艺的应用,现代飞行器结构外形、结构形式具有越来越复杂的趋势,传统的结构损伤监测与结构可靠性设计面临着新的挑战。结构健康监控技术采用先进的传感器在线监测结构响应,实时获取结构健康状态,评估结构剩余寿命,制定飞行器结构维修决策,是确保服役飞行器安全可靠运行的必要手段。综述了结构健康监控技术的研究进展、应用场合与发展历程,包括结构健康监控系统组成以及基本原理、基于超声导波的全局损伤诊断技术、基于光纤传感的结构状态感知技术、局部敏感区域损伤诊断技术、多传感器融合诊断技术、结构健康评估技术等,展望了面向飞行器结构健康监控技术的发展趋势。更多还原

【Abstract】 With the rapid development of aviation science and technology,the application of new materials and advanced technology,the modern aircraft structures are becoming more and more complicated.Traditional structural damage monitoring and structural reliability design face the new challenges.The structural health monitoring technology obtains structural response through advanced sensor on-line monitoring.The structural response information will be used to access structural health status and assess the residual life of the structure,and further develop the aircraft structure maintenance decision.This technology can be taken at the appropriate period of time to ensure the safety and service of structures to achieve maximum economic benefits.The state of structural health monitoring technology for aircraft structures is reviewed in this paper,including components of structural health monitoring system,Lamb wave based global damage detection technology,optical fiber based global condition perception,local damage detection method,multi-sensor fusion detection technology and structural health assessment technology.The development trend and challenges of structural health monitoring of aircraft structures are also discussed.更多还原