Electronic Compass Calibration in Pedestrian Navigation System

Xiao Juan Zhang; Xi Sheng Li; Yi Bo Feng

doi:10.4028/www.scientific.net/AMR.490-495.1246

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 490-495Electronic Compass Calibration in Pedestrian...

Electronic Compass Calibration in Pedestrian Navigation System

Abstract:

In this paper, a kind of pedestrian navigation system (PNS) that based on Earth’s magnetic field is introduced, and the error of the build-in electronic compass is analyzed, and an efficient calibration algorithm is presented. The PNS is determined pedestrian’s movement locus by calculating the heading angle and analyzing the movement characteristic, and then using the dead reckoning algorithm to combine the information together. The precision of PNS is affected by the error of the electric compass, because the heading angle is calculated from the magnetic field data measured by the compass. In order to reduce the measure error, a direct method which is used to calibrate the compass, based on ellipsoid fitting, is developed.

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Periodical:

Advanced Materials Research (Volumes 490-495)

Pages:

1246-1250

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.490-495.1246

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Online since:

March 2012

Authors:

Xiao Juan Zhang, Xi Sheng Li, Yi Bo Feng

Keywords:

Dead-Reckoning, Ellipsoid Fitting, Magnetic Compass, PNS(Pedestrian Navigation System)

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References

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