结构健康监测系统对直升机叶片寿命初期的经济影响评估

IF 4.6 2区 工程技术 Q1 CONSTRUCTION & BUILDING TECHNOLOGY
Pietro Ballarin, Marco Macchi, Irene Roda, Giuseppe Sala, Andrea Baldi, Alessandro Airoldi
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引用次数: 0

摘要

以光纤传感器为基础的结构健康监测系统对复合材料直升机旋翼的开发所产生的经济影响进行了评估。因此,本分析的重点是直升机的 "生命之初 "阶段。结构健康监测系统在复合材料叶片开发中的两个应用:固化周期开发以及完成实验室和飞行认证测试。光纤传感器在固化周期中测量温度场,在实验室测试中测量应变场,并在载荷测量活动中识别载荷。研究发现,结构健康监测系统可以在叶片开发过程中带来潜在的经济效益,因为温度场和应变场质量的改善可以减少固化周期和测试叶片的数量。此外,在完成复合材料叶片认证所需的载荷测量活动中,也可实现经济效益,避免定期维护在飞行过程中获取应变的应用应变仪。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Economic Impact Assessment of Structural Health Monitoring Systems on Helicopter Blade Beginning of Life

Economic Impact Assessment of Structural Health Monitoring Systems on Helicopter Blade Beginning of Life

The economic impact of Structural Health Monitoring Systems based on optical fibre sensors is assessed in the development of composite helicopter rotor blades. Hence, the focus of this analysis is on the helicopter’s Beginning Of Life stage. Two applications of the Structural Health Monitoring System are considered in the development of composite blades: curing cycle development and accomplishment of laboratory and flight certification tests. Optical fibre sensors measure the temperature field during the curing cycle and strain field during the laboratory tests and allow load identification during the load survey activity. It was found that Structural Health Monitoring Systems can potentially lead to economic benefits during the development of the blade provide that a reduction in the number of curing cycles and number of blades tested is achieved as a consequence of the improvement of the temperature and strain field quality. Moreover, an economic benefit could be achieved during the load survey activity, needed to complete the certification of the composite blade, avoiding the periodical maintenance of the applied strain gauges acquiring the strains during the flight.

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来源期刊
Structural Control & Health Monitoring
Structural Control & Health Monitoring 工程技术-工程:土木
CiteScore
9.50
自引率
13.00%
发文量
234
审稿时长
8 months
期刊介绍: The Journal Structural Control and Health Monitoring encompasses all theoretical and technological aspects of structural control, structural health monitoring theory and smart materials and structures. The journal focuses on aerospace, civil, infrastructure and mechanical engineering applications. Original contributions based on analytical, computational and experimental methods are solicited in three main areas: monitoring, control, and smart materials and structures, covering subjects such as system identification, health monitoring, health diagnostics, multi-functional materials, signal processing, sensor technology, passive, active and semi active control schemes and implementations, shape memory alloys, piezoelectrics and mechatronics. Also of interest are actuator design, dynamic systems, dynamic stability, artificial intelligence tools, data acquisition, wireless communications, measurements, MEMS/NEMS sensors for local damage detection, optical fibre sensors for health monitoring, remote control of monitoring systems, sensor-logger combinations for mobile applications, corrosion sensors, scour indicators and experimental techniques.
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