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Estimating Displacement of Periodic Motion With Inertial Sensors
Journal article   Peer reviewed

Estimating Displacement of Periodic Motion With Inertial Sensors

U-Xuan Tan, Kalyana C. Veluvolu, Win Tun Latt, Cheng Yap Shee, Cameron N. Riviere, Wei Tech Ang and U-Xuan Calvin Tan
IEEE sensors journal, Vol.8(8), pp.1385-1388
08/2008
DOI: https://doi.org/10.1109/JSEN.2008.917488
PMID: 19924267

Abstract

Acceleration Accelerometers Angular velocity Displacement measurement Frequency estimation Gyroscopes Inertial sensors integration drift Motion estimation periodic motion estimation Sensor phenomena and characterization Temperature sensors Velocity measurement
Inertial sensors, like accelerometers and gyroscopes, are rarely used by themselves to measure displacement. Accuracy of inertial sensors is greatly handicapped by the notorious integration drift, which arises due to numerical integration of the sensors zero bias error. A solution is proposed in this paper to provide drift free estimation of displacement from inertial sensors.

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