Comparison of TRIAD+EKF and TRIAD+UKF Algorithms for Nanosatellite Attitude Estimation

Mehmet Asim Gokcay, Chingiz Hajiyev

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

Two most commonly used sensors on nanosatellites are magnetometer and sun sensor. In this paper, magnetometer and sun sensor measurements are combined gyro measurements to produce enhanced attitude estimation. Tri-Axial Attitude Determination (TRIAD) algorithm is used with Kalman filter to form a complete attitude filter. Sun sensor and magnetometer measurements are selected as inputs to TRIAD algorithm and output is fed to Kalman filter as a measurement. Two different Kalman filters, extended and unscented, are used with TRIAD algorithm. A comparison is given between performances of both Kalman filter.

Original languageEnglish
Pages (from-to)201-206
Number of pages6
JournalWSEAS Transactions on Systems and Control
Volume17
DOIs
Publication statusPublished - 2022

Bibliographical note

Publisher Copyright:
© 2022, World Scientific and Engineering Academy and Society. All rights reserved.

Keywords

  • Attitude Estimation
  • Kalman Filter
  • Magnetometer
  • Nanosatellite
  • Sun Sensor

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