Autonomous Calibration of MEMS Gyros in Consumer Portable Devices

This paper presents a real-time calibration method for gyro sensors in consumer portable devices. The calibration happens automatically without the need for external equipment or user intervention. Multilevel constraints, including the pseudoobservations, the accelerometer and magnetometer measureme...

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Bibliographic Details
Published inIEEE sensors journal Vol. 15; no. 7; pp. 4062 - 4072
Main Authors You Li, Georgy, Jacques, Xiaoji Niu, Qingli Li, El-Sheimy, Naser
Format Journal Article
LanguageEnglish
Published New York IEEE 01.07.2015
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Accelerometers
Calibration
IMU
indoor navigation
Kalman filters
Magnetometers
MEMS sensors
Navigation
Sensors
smartphones
Vectors
IMU
indoor navigation
smartphones
MEMS sensors
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Summary:This paper presents a real-time calibration method for gyro sensors in consumer portable devices. The calibration happens automatically without the need for external equipment or user intervention. Multilevel constraints, including the pseudoobservations, the accelerometer and magnetometer measurements, and the quasi-static attitude updates, are used to make the method reliable and accurate under natural user motions. Walking tests with the Samsung Galaxy S3 and S4 smartphones showed that the method provided promising calibration results even under challenging motion modes, such as dangling and pocket, and in challenging indoor environments with frequent magnetic interferences.
ISSN:1530-437X
1558-1748
DOI:10.1109/JSEN.2015.2410756