Abstract

An autonomous navigation method based on UV sensor (ultraviolet sensor, UV sensor) for high earth orbit (HEO) satellites is proposed by considering the problem of accuracy decrease caused by the constant deviation in UV sensor imaging plane. Firstly, the constant deviation is looked on as state variable of the navigation system to realize real-time estimate and compensation. Secondly, partial state information is deemed as indirect measurement, which makes design of the filter simplified and the systematic computation decreased. Finally, simulation results are provided, which illustrate that the proposed navigation method can acquire good performance when applied to HEO satellite navigation system.

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