Missile captive carry monitoring using a capacitive MEMS accelerometer

Brian Hatchell; Fred Mauss; Emiliano Santiago-Rojas; Ivan Amaya; Jim Skorpik; Kurt Silvers; Steve Marotta

doi:10.1117/12.846005

8 April 2010 Missile captive carry monitoring using a capacitive MEMS accelerometer

Brian Hatchell, Fred Mauss, Emiliano Santiago-Rojas, Ivan Amaya, Jim Skorpik, Kurt Silvers, Steve Marotta

Proceedings Volume 7650, Health Monitoring of Structural and Biological Systems 2010; 76501A (2010) https://doi.org/10.1117/12.846005
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2010, San Diego, California, United States

Abstract

Military missiles are exposed to many sources of mechanical vibration that can affect system reliability, safety, and mission effectiveness. One of the most significant exposures to vibration occurs when the missile is being carried by an aviation platform, which is a condition known as captive carry. If the duration of captive carry exposure could be recorded during the missile's service life, several advantages could be realized. Missiles that have been exposed to durations outside the design envelop could be flagged or screened for maintenance or inspection; lightly exposed missiles could be selected for critical mission applications; and missile allocation to missions could be based on prior use to avoid overuse. The U. S. Army Aviation and Missile Research Development and Engineering Center (AMRDEC) has been developing health monitoring systems to assess and improve reliability of missiles during storage and field exposures. Under the direction of AMRDEC staff, engineers at the Pacific Northwest National Laboratory have developed a Captive Carry Health Monitor (CCHM) for the HELLFIRE II missile. The CCHM is an embedded usage monitoring device installed on the outer skin of the HELLFIRE II missile to record the cumulative hours the host missile has been in captive carry mode and thereby assess the overall health of the missile. This paper provides an overview of the CCHM electrical and package design, describes field testing and data analysis techniques used to identify captive carry, and discusses the potential application of missile health and usage data for real-time reliability analysis and fleet management.

Citation Download Citation

Brian Hatchell, Fred Mauss, Emiliano Santiago-Rojas, Ivan Amaya, Jim Skorpik, Kurt Silvers, and Steve Marotta "Missile captive carry monitoring using a capacitive MEMS accelerometer", Proc. SPIE 7650, Health Monitoring of Structural and Biological Systems 2010, 76501A (8 April 2010); https://doi.org/10.1117/12.846005

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