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Design of Feedback Loop for Ultra-sensitive Nano-g Resolution MEMS Tunneling AccelerometerBy Subhojyoti Bose, Anuran Raychowdhury, Amritha BJ Nair, Mamta Jatolia, Tarun Kanti Bhattacharyya
Abstract: The tunneling accelerometer often used for attitude control of micro and nano satellite can be operated both in open loop circuit as well as close loop circuit. Closed-loop operation improves the overall sensor linearity, dynamic range, and bandwidth. The interface circuitry in a closed-loop device reads the sensor signal and uses feedback to maintain the proof mass in a null position in a stable manner. In this paper we present …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 4, Issue 3, 2014 · pp. 39–46 Read article →