Dr.
Lee received the TEDCO Maryland Innovation Initiative (MII) research fund
(phase I) for his study on "ActiveCharge™: an Impact-Driven Piezoelectric
Energy Harvester". The objective of this proposed project is to develop a
practical, impact-driven piezoelectric energy harvester (PEH), “ActiveCharge™”,
that can effectively harvest wasted vibrational/kinematic energy and convert it
to electrical energy for battery-free sensor operation. The target application
of the impact-driven harvester is, but is not limited to, powering the wireless
sensors used for wind turbine blade monitoring. The power sustainability of
wireless sensors has been an important issue – disposable batteries are not an option because they
have a limited lifetime, and it is almost impossible to access the inside of a
wind turbine blade to replace them. The
tasks in this grant will build a working prototype of ActiveCharge™ with an
integrated power management circuit and a wireless sensor for monitoring wind
turbine blades with the target specifications in terms of average power, useful
life, and the device volume. The success of this research project will provide
a very unique and practical solution for energy sustainable wireless sensor nodes.
Post Info
| posted | January 5, 2018 |
|---|---|
| sponsor | Mechanical Engineering |
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