An accurate heading solution using MEMS-based gyroscope and magnetometer integrated system (Preliminary results)

M. El-Diasty*

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

7 Citations (Scopus)


An accurate heading solution is required for many applications and it can be achieved by high grade (high cost) gyroscopes (gyros) which may not be suitable for such applications. Micro-Electro Mechanical Systems-based (MEMS) is an emerging technology, which has the potential of providing heading solution using a low cost MEMS-based gyro. However, MEMS-gyro-based heading solution drifts significantly over time. The heading solution can also be estimated using MEMS-based magnetometer by measuring the horizontal components of the Earth magnetic field. The MEMS-magnetometer-based heading solution does not drift over time, but are contaminated by high level of noise and may be disturbed by the presence of magnetic field sources such as metal objects. This paper proposed an accurate heading estimation procedure based on the integration of MEMS-based gyro and magnetometer measurements that correct gyro and magnetometer measurements where gyro angular rates of changes are estimated using magnetometer measurements and then integrated with the measured gyro angular rates of changes with a robust filter to estimate the heading. The proposed integration solution is implemented using two data sets; one was conducted in static mode without magnetic disturbances and the second was conducted in kinematic mode with magnetic disturbances. The results showed that the proposed integrated heading solution provides accurate, smoothed and undisturbed solution when compared with magnetometer-based and gyro-based heading solutions.

Original languageEnglish
Pages (from-to)75-78
Number of pages4
JournalISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
Issue number2
Publication statusPublished - Nov 11 2014
EventISPRS Technical Commission II Midterm Symposium 2014 - Toronto, Canada
Duration: Oct 6 2014Oct 8 2014


  • Gyroscope
  • Heading
  • Integrated solution
  • Low cost
  • Magnetometer
  • MEMS

ASJC Scopus subject areas

  • Instrumentation
  • Environmental Science (miscellaneous)
  • Earth and Planetary Sciences (miscellaneous)

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