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2009 WRI World Congress on Computer Science and Information Engineering
Tilt-Induced-Error Compensation for 2-Axis Magnetic Compass with 2-Axis Accelerometer
Los Angeles, California USA
March 31-April 02
ISBN: 978-0-7695-3507-4
This paper presents an efficient tilt compensation algorithm for the low cost two-axis magnetic compass. The general magnetic compass module consists of a three-axis magnetic compass and a two-axis inclinometer to calculate tilt-compensated azimuth information. In the interest of reducing the cost, a two-axis magnetic compass with a two-axis accelerometer is developed in this paper. The third-axis data of the magnetic compass is estimated using earth magnetic field information. The tilt-induced-error is compensated using the estimated data and measurement data. Results of experiment show that this algorithm can be used to realize tilt-compensation for 2-axis magnetic compass.
Index Terms:
magnetic compass, compensation, algorithm
Citation:
Li Xisheng, Kang Ruiqing, Shu Xiongying, Yu Guanghua, "Tilt-Induced-Error Compensation for 2-Axis Magnetic Compass with 2-Axis Accelerometer," csie, vol. 3, pp.122-125, 2009 WRI World Congress on Computer Science and Information Engineering, 2009
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