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首页> 外文会议>Conference on sensors and smart structures technologies for civil, mechanical, and aerospace systems >Multifunctional Sensor Network for Structural State Sensing and Structural Health Monitoring
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Multifunctional Sensor Network for Structural State Sensing and Structural Health Monitoring

机译：用于结构状态传感和结构健康监测的多功能传感器网络

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In order to take full advantages of composites and enable future composite structures to operate at their physical limits rather than limits predetermined from computational design assumptions and safety factors, there is a need to develop an embeddable sensing system to allow a structure to "feel" and "think" its structural state. In this paper, the concept of multi-modal sensing capabilities using a network of multifunctional sensors integrated with a structure has been developed. Utilizing this revolutionary concept, future structures can be designed and manufactured to provide multiple modes of information that when synthesized together can provide capabilities for intelligent sensing, environmental adaptation and multi-functionality. To demonstrate the feasibility of multi-modal sensing capabilities with built-in sensor network, one single type of piezoelectric sensor was selected to perform the measurements of dynamic strain, temperature, damage detection and impact monitoring. The uniqueness of the sensing system includes (1) Flexible, multifunctional sensor networks for integration with any type of composite structural component, (2) Scalable sensor network for monitoring of a large composite structure, (3) Reduced number of connecting wires for sensors, (4) Hybrid diagnostics with multiple sensing capabilities, (5) Sensor network self-diagnostics and self-repair for damaged sensor system.
机译：为了充分利用复合材料的优势，并使未来的复合材料结构能够在其物理极限下运行，而不是根据计算设计假设和安全系数预先确定的极限运行，需要开发一种可嵌入的传感系统，以使结构“感觉”到并且“思考”其结构状态。在本文中，已经开发了使用与结构集成在一起的多功能传感器网络实现多模式传感功能的概念。利用这一革命性的概念，可以设计和制造未来的结构，以提供多种信息模式，这些信息综合在一起就可以提供智能感应，环境适应和多功能功能。为了证明具有内置传感器网络的多模式传感功能的可行性，选择了一种类型的压电传感器来执行动态应变，温度，损伤检测和冲击监控的测量。传感系统的独特性包括：（1）灵活的多功能传感器网络，可与任何类型的复合结构部件集成;（2）可扩展的传感器网络，用于监视大型复合结构;（3）减少了传感器的连接线数量; （4）具有多种传感功能的混合诊断程序，（5）传感器网络的自诊断功能和对受损传感器系统的自我修复。

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