The Design and Error Compensation Research of 3-Axis Electronic Compass Installed in Small Muti-Rotors Unmanned Aerial Vehicle

Song Wei Fan; Hong Wei Bian

doi:10.4028/www.scientific.net/AMM.256-259.2270

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 256-259The Design and Error Compensation Research of...

The Design and Error Compensation Research of 3-Axis Electronic Compass Installed in Small Muti-Rotors Unmanned Aerial Vehicle

Abstract:

A 3-axis electronic compass is designed for small multi-rotors unmanned vehicle. The STM32F103 is used as E-compass’ CPU, and ADXL345 and MAG3110 is used as the acceleration and geomagnetic sensor. The E-compass’ software is programmed by using IAR EWARM. For outdoor applications, the ellipsoid assumption theory is simply proved and used for E-compass’ self-calibration. By using the zero-bias adjustment for pre-calibration and the fitellipsoid compensation for precise calibration, the E-compass’ precision is nearly 1 degree.

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Periodical:

Applied Mechanics and Materials (Volumes 256-259)

Pages:

2270-2273

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.256-259.2270

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Online since:

December 2012

Authors:

Song Wei Fan, Hong Wei Bian

Keywords:

3-Axis Electronic Compass, Ellipsoid Assumption, Magnetic Deviation Calibration

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References

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