In-flight real-time altitude-independent magnetometer-bias determination for micro-satellite

Zhen Zhang; Jianping Xiong; Cheng Ma

doi:10.1117/12.2532438

10 May 2019 In-flight real-time altitude-independent magnetometer-bias determination for micro-satellite

Zhen Zhang, Jianping Xiong, Cheng Ma

Proceedings Volume 11068, Second Symposium on Novel Technology of X-Ray Imaging; 110682T (2019) https://doi.org/10.1117/12.2532438
Event: Second Symposium on Novel Technology of X-Ray Imaging, 2018, Hefei, China

Abstract

In this paper a new real-time algorithm is proposed for in-flight magnetometer bias determination without altitude knowledge for a micro-satellite. This approach introduces iterative algorithm to the traditional statistical calculation and extends the batch method to satisfy real-time application. It makes the estimation of magnetometer bias simple using iterative calculation instead of large-scale matrix computation. Experiment results indicate that the new real-time algorithm is more accurate and faster compared with other algorithms, even with real noise data. With the new real-time algorithm, a magnetometer calibration can be taken on-orbit and will reduce the demand of computing power.

Citation Download Citation

Zhen Zhang, Jianping Xiong, and Cheng Ma "In-flight real-time altitude-independent magnetometer-bias determination for micro-satellite", Proc. SPIE 11068, Second Symposium on Novel Technology of X-Ray Imaging, 110682T (10 May 2019); https://doi.org/10.1117/12.2532438

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