ACTA AERONAUTICAET ASTRONAUTICA SINICA >
Solar information assisted pulse phase estimation method and navigation application
Received date: 2022-06-01
Revised date: 2022-06-20
Accepted date: 2022-07-12
Online published: 2022-08-03
Supported by
Science and Technology Innovation Program of Hunan Province(2021RC3078)
X-ray pulsar navigation is an emerging autonomous navigation method for spacecraft， with the pulse phase as its basic measurement. However， the existing on-orbit spacecraft pulse phase estimation methods require a large amount of computation， which hinders the engineering application of X-ray pulsar navigation. To reduce the computational complexity of pulse phase estimation， a pulse phase estimation method for deep space detectors assisted by solar information is proposed. The influence of the orbital motion of the spacecraft is roughly eliminated by the solar information. On this basis， an X-ray pulsar/solar information deep integrated navigation method is proposed， and the performance of the solar information assisted pulse phase estimation method and the integrated navigation method is verified by simulation. The simulation results show that the proposed pulse phase estimation method has less computational complexity while ensuring accuracy. In addition， for the deep space detector， the position error of the proposed integrated navigation method is reduced by 70.1% compared with the navigation method using only the solar information.
Yusong WANG , Yidi WANG , Wei ZHENG . Solar information assisted pulse phase estimation method and navigation application[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2023 , 44(S1) : 727651 -727651 . DOI: 10.7527/S1000-6893.2022.27651
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