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25 April 1995 Monitoring the health of mechanical systems with smart materials: signal processing issues
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Smart structures generally consist of abase material (e.g., composite) containing large numbers of embedded and interconnected sensors, actuators, and processors. With these embedded components, smart structures have a built-in ability to sense and respond to environmental stimuli without requiring externally mounted transducers. Research is currently underway to develop smart structures for a variety of applications, including the self-diagnosis of the structure for damage detection and health monitoring. Industries that have a particular interest in this area include aerospace, marine, ground transportation, power utilities, and manufacturing. In recent years, the research has focused on the materials science issues related to embedding the transducers. However, significant barriers still remain that are preventing wide spread use of smart materials for health monitoring. This paper will discuss the barriers caused by the difficult problem of integrating and processing the wealth of information from the large numbers of transducers.
© (1995) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Larry P. Heck "Monitoring the health of mechanical systems with smart materials: signal processing issues", Proc. SPIE 10279, Digital Signal Processing Technology: A Critical Review, 1027905 (25 April 1995);

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