Spinning Spacecraft Attitude Filtering with Spin Parameters: Performance Evaluation with Real Data

Date

2017-06-07

Author

Söken, Halil Ersin
Van Der Ha, Jozef C.

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Three-axis attitude estimation for spinning spacecraft is recently of considerable practical interest. In this scope, sequential filtering algorithms are also being studied recently. In this study, we extend our recent research for a nonlinear filtering algorithm for spinning spacecraft attitude estimation. In the filter the attitude of the spacecraft is represented using a set of spin parameters. These parameters consist of the spin-axis orientation unit vector in the inertial frame and the spin phase angle. As the system and measurement models are nonlinear an Unscented Kalman Filter (UKF) is implemented to estimate the spacecraft’s attitude. In this paper, we investigate the accuracy of the algorithm by using telemetry data gathered by the CONTOUR spacecraft in 2002. We discuss different methods for satisfying the spherical norm constraint for the spinaxis orientation unit vector terms. The filter works well and produces consistent results with those of the Tanygin-Shuster and TRIAD algorithms. Investigations on the norm constraint condition shows that unit vector normalization must be applied specifically in the presence of measurement biases.

Subject Keywords

spinning spacecraft, Attitude filtering, UKF, Spin parameters

URI

http://www.vanderha.com/Soken%20et%20al%20-%20Spinning%20Spacecraft%20Attitude%20Filtering__%20Performance%20with%20real%20Data%20(ISTS-2017-d-078).pdf
https://hdl.handle.net/11511/80480

Conference Name

26th International Symposium on Space Flight Dynamics, (09 Haziran 2017,)

Collections

Department of Aerospace Engineering, Conference / Seminar

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Citation Formats

H. E. Söken and J. C. Van Der Ha, “Spinning Spacecraft Attitude Filtering with Spin Parameters: Performance Evaluation with Real Data,” presented at the 26th International Symposium on Space Flight Dynamics, (09 Haziran 2017,), Matsuyama, Japonya, 2017, Accessed: 00, 2021. [Online]. Available: http://www.vanderha.com/Soken%20et%20al%20-%20Spinning%20Spacecraft%20Attitude%20Filtering__%20Performance%20with%20real%20Data%20(ISTS-2017-d-078).pdf.