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Energy Harvesting Technology for Navy Ship Systems 11 July 2006 - Techno-Sciences, Inc. (TSi) in collaboration with the Smart Structures Laboratory at the University of Maryland, College Park (UMCP), was awarded a Phase I STTR contract by the Office of Naval Research to develop an innovative energy harvesting technology for Navy ship systems. According to project Principal Investigator, Dr. Peter Chen, this system will be suitable for integration with electronics and advanced sensors for data acquisition and wireless transmission from a local level to a central processing means. The energy harvester will be mounted to a substructure and use ambient vibrations for energy generation. A compact structure will be used with an active material which converts mechanical deformation into electrical energy and use appropriate circuitry to interface with a battery element. The energy harvester can be tuned to expected vibration spectrum of the substructure. Small vibrations can be amplified by proper tuning to attain larger energy extraction capabilities. Data acquisition from the proposed sensor elements will be gathered and transmitted back to a host system using a communication network based on established security standards. The energy harvesting device can be tuned to the specific component on which it will be mounted. Myriad applications such as turbine engines or transmissions, and other machinery can be monitored using the proposed technology. Besides application to naval vessels, this proposed package may be retrofitted to existing aerospace systems as well as integrated with general structural health monitoring systems, both civilian and commercial, to enable condition-based maintenance. |
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