Development of a Sensor-Based Structural Integrity Measurement Technique for Potential Application to Missile Casings; Conference paper

摘要

Missile structures pose a unique challenge for deploying structural health monitoring (SHM) and condition based maintenance (CBM) technologies and protocols. The inventory of missiles is relatively large, varied, and often missiles are held in storage for extended periods of time. However, when needed, the overall functionality and integrity of the missile system and its components must be fully ready and operational. Our present work has examined the development of a practical, low cost, low power scheme for assessing the structural integrity of missile systems. It is one of the first known efforts to integrate sensor data with structural analytic and numerical models to provide not only a location and history of adverse loading events, but also an estimate of stiffness degradation in the structural casing. S2 glass/epoxy composite cylinders were chosen because they provide an observable means of witnessing damage for correlation purposes.