SINGLE-FRAME ATTITUDE DETERMINATION METHODS FOR NANOSATELLITES


Cilden Guler D., CONGUROGLU E. S., Hajiyev C.

METROLOGY AND MEASUREMENT SYSTEMS, vol.24, no.2, pp.313-324, 2017 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 24 Issue: 2
  • Publication Date: 2017
  • Doi Number: 10.1515/mms-2017-0023
  • Journal Name: METROLOGY AND MEASUREMENT SYSTEMS
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.313-324
  • Keywords: attitude determination, single-frame methods, algebraic method, covariance analysis, vector observation, VECTOR OBSERVATIONS, ALGORITHM
  • Istanbul Technical University Affiliated: Yes

Abstract

Single-frame methods of determining the attitude of a nanosatellite are compared in this study. The methods selected for comparison are: Single Value Decomposition (SVD), q method, Quaternion ESTimator (QUEST), Fast Optimal Attitude Matrix (FOAM) - all solving optimally the Wahba's problem, and the algebraic method using only two vector measurements. For proper comparison, two sensors are chosen for the vector observations on-board: magnetometer and Sun sensors. Covariance results obtained as a result of using those methods have a critical importance for a non-traditional attitude estimation approach; therefore, the variance calculations are also presented. The examined methods are compared with respect to their root mean square (RMS) error and variance results. Also, some recommendations are given.