MicroSensors and MicroActuators Georgia Tech MEMS group
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MEMS-Based Resonant Compass Seungkeun Choi, Seong-Hyok Kim, Yong-Kyu Yoon, Mark G. Allen A number of magnetic sensors, such as flux gate magnetometers and Hall-effect devices, have been reported to be sufficiently sensitive to the Earth’s magnetic field for use in this application. However, the power requirement of these devices is typically prohibitive for a long-term, portable application. The goal of this project is the development of a low power MEMS-based magnetic compass which can be integrated with portable electronics so that it can provide additional customer-demanded features such as personal navigation, and motion sensing functionalities. A micro-machined mechanical resonator An assembled magnet on top of resonator Completed sensing system
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