Abstract

This article implies a method of magnetometer error determination. Using solid-state magnetic sensors, vehicle odometer and GPS sensor, low-cost complex navigation system for land vehicles can be realized. The methods and algorithms of magnetometer calibration are shown. Results of magnetometer calibration experiments and possibility to detect magnetometer error parameters in process of car driving are analysed. To acquire vehicle heading output, navigation system described here is developed. DOI: http://dx.doi.org/10.5755/j01.eie.22.6.17225

Highlights

  • The design of low-cost integrated land vehicles navigation systems becomes a more and more actual problem

  • The magnetometers and odometers are used in low-cost integrated land vehicles navigation systems for dead recognition (DR) attitude determination during GPS outage [2]

  • The proposed navigation system consists of a GPS, an odometer, a map and a magnetic course sensor (Fig. 1) and provides the position and heading angle

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Summary

INTRODUCTION

The design of low-cost integrated land vehicles navigation systems becomes a more and more actual problem. The magnetometers and odometers are used in low-cost integrated land vehicles navigation systems for dead recognition (DR) attitude determination during GPS outage [2]. The proposed navigation system consists of a GPS, an odometer, a map and a magnetic course sensor (Fig. 1) and provides the position and heading angle. GPS sensor errors are widely described, for example in [4], [5]. GPS receiver supports navigation system with position data, heading angle and land vehicle horizontal velocity. Position filter is described in papers [1], [3]. In this paper we analyse only magnetic course sensor errors and their compensation with heading filter

MAGNETOMETER TYPES AND STANDARD CALIBRATION METHODS
MAGNETOMETER CALIBRATION EXPERIMENT
Result
MAGNETOMETER ERROR MODELS
CONCLUSIONS

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