Sensors are increasingly used to determine the operational and environmental state of aerospace structures while in service. Typically, each sensor is tasked with a single function. The measurement of multiple physical quantities is usually associated with multiple sensors. The number of sensors on a structure may become prohibitive due to cost, weight or power constraints. This paper investigates the development and application of a multi-functional sensor where a single sensor performs multiple functions. A flexible MFC based piezoelectric sensor is embedded in a corrugated composite plate to determine the state of stress, temperature and vibration, all from the same device. Development of the sensor and preliminary test results are discussed in detail.
- Aerospace Division
Development of a Multi-Function Sensors
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Seeley, CE, & Sarva, SS. "Development of a Multi-Function Sensors." Proceedings of the ASME 2009 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. Volume 2: Multifunctional Materials; Enabling Technologies and Integrated System Design; Structural Health Monitoring/NDE; Bio-Inspired Smart Materials and Structures. Oxnard, California, USA. September 21–23, 2009. pp. 263-270. ASME. https://doi.org/10.1115/SMASIS2009-1319
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