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http://dx.doi.org/10.5302/J.ICROS.2005.11.1.027

Robust Electric Compass to Dynamic Magnetic Field Interference  

Ko Jae-Pyung (부산대학교 전자공학과)
Kang Woong-Ki (부산대학교 전자공학과)
Kim Yang-Hwan (부산대학교 전자공학과)
Lee Jang-Myung (부산대학교 전자공학과)
Publication Information
Journal of Institute of Control, Robotics and Systems / v.11, no.1, 2005 , pp. 27-33 More about this Journal
Abstract
The purpose of this research is to improve the reliability of automobile navigation system that utilizes the magnetic compass for localization. On account of its sensitiveness against the dynamic external interference of the magnetic field, the electronic compass itself is not accurate enough to be used for the localization compared to the gyro-compass. To overcome this shortcoming, in this research, a robust electronic compass is designed by using two magnetic compasses to cancel out the dynamic interences efficiently. That is, a dual compass predictive calibration algorithm against irregular external interference of magnetic field is newly proposed and implemented in this paper. When the dynamic interference can be eliminated from the electronic compass, it becomes much accurate than the gyro-based system that suffers from the accumulative drift error. The reliability and performance of the designed system have been verified through the real driving experiments.
Keywords
electronic compass; magnetic interference; predictive calibration algorithm; navigation system;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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