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首页> 外文会议>3rd International Workshop on Structural Health Monitoring, Sep 12-14, 2001, Stanford University >Development of Smart Sensing Platform for Liquid Preform Molding of Composite Structures
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Development of Smart Sensing Platform for Liquid Preform Molding of Composite Structures

机译：复合结构液体瓶坯成型智能传感平台的开发

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摘要

There is a significant need for the development of an embedded sensor network to evaluate the health of composite systems and structures throughout their service life. However, the need to diagnose and ultimately control the various mechanisms that occur during the manufacture of these polymer composite structures also exists. The US Army Research Laboratory is currently investigating the use of Vacuum Assisted Resin Transfer Molding (VARTM) processing for several of its military platforms, including the Crusader Self-Propelled Howitzer (SPH) and Re-Supply Vehicles (RSV), as well as the Future Combat Systems (FCS). This has brought about the need to develop a complete structural health monitoring capability that can evaluate the performance of these systems from cradle to grave. The initial stages of the current research focuses on the development of a platform that can record the macro effects occurring during the impregnation and cure phase in a composite liquid molding process. In particular, this system will be able to accurately sense and describe resin flow conditions and surface displacements that can occur throughout the manufacturing cycle of structural composite components. It will be shown that variations in the manufacturing process can translate directly into structural property variations if not properly controlled.
机译：迫切需要开发嵌入式传感器网络，以评估复合系统和结构在整个使用寿命中的健康状况。但是，也需要诊断并最终控制在这些聚合物复合结构的制造过程中发生的各种机制。美国陆军研究实验室目前正在研究在其多个军事平台上使用真空辅助树脂传递模塑（VARTM）工艺的情况，包括十字军自走榴弹炮（SPH）和补给车（RSV）以及未来战斗系统（FCS）。这就需要开发一个完整的结构健康监控功能，该功能可以评估从摇篮到坟墓的这些系统的性能。当前研究的初始阶段集中在一个平台的开发上，该平台可以记录复合液体成型工艺在浸渍和固化阶段发生的宏观效应。特别地，该系统将能够准确地感测和描述在结构复合部件的整个制造周期中可能发生的树脂流动条件和表面位移。将表明，如果控制不当，制造过程中的变化可以直接转化为结构特性的变化。

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