5 April 2006 Piezoelectric-based energy-harvesting power sources for gun-fired munitions
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Abstract
This paper presents a new class of piezoelectric based energy harvesting power sources for use in gun-fired munitions or other similar applications requiring high G survivability . These power sources are designed to harvest energy from the firing acceleration as well as vibratory motion and spinning of munitions during their flight and convert it to electrical energy that could be used directly by power consuming electronics onboard munitions or stored. The power sources are designed to withstand firing accelerations in excess of 100,000 G. The power sources have been shown to have the potential of completely eliminating the need for chemical batteries in many fuzing applications, while having the added advantage of providing for considerably more safety and long shelf life. Prototypes of a number of designs of this class of energy harvesting power sources for various power requirements have been constructed and successfully tested in the laboratory and by the U. S. Army (ARDEC) using air guns.
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J. Rastegar, J. Rastegar, D. Haarhoff, D. Haarhoff, C. Pereira, C. Pereira, H-L. Nguyen, H-L. Nguyen, } "Piezoelectric-based energy-harvesting power sources for gun-fired munitions", Proc. SPIE 6174, Smart Structures and Materials 2006: Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems, 61740W (5 April 2006); doi: 10.1117/12.657441; https://doi.org/10.1117/12.657441
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