TY - JOUR
T1 - Autonomous onboard estimation of mean orbital elements for geostationary electric-propulsion satellites
AU - Li, Lincheng
AU - Zhang, Jingrui
AU - Zhao, Shuge
AU - Qi, Rui
AU - Li, Yanyan
N1 - Publisher Copyright:
© 2019 Elsevier Masson SAS
PY - 2019/11
Y1 - 2019/11
N2 - Mean orbital elements estimation for geostationary (GEO) satellites is important for related studies, including station-keeping, rendezvous and end-of-life disposal. With increasingly limited operational slots in GEO region and the advance of all-electric-propulsion satellites, a fast and accurate mean orbital element estimation tool is necessary. In order to balance estimation precision and mission cost as well as to be independent of the ground station, this paper develops an autonomous onboard estimation method of the mean orbital elements for geostationary electric-propulsion satellites. Natural perturbations in GEO, including Earth's triaxiality, luni-solar attractions, and solar radiation pressure, are considered. Terms of appropriate orders due to these effects are chosen to model the semi-analytical dynamics, where modified short-period variations and differential mean orbital elements are derived. Regarding mean orbital elements as state variables and osculating orbital elements as measurements, a filter as well as analytical Jacobians is formulated to make the accurate estimation. Five scenarios are simulated to validate the accuracy and efficiency of the proposed method in the GEO region.
AB - Mean orbital elements estimation for geostationary (GEO) satellites is important for related studies, including station-keeping, rendezvous and end-of-life disposal. With increasingly limited operational slots in GEO region and the advance of all-electric-propulsion satellites, a fast and accurate mean orbital element estimation tool is necessary. In order to balance estimation precision and mission cost as well as to be independent of the ground station, this paper develops an autonomous onboard estimation method of the mean orbital elements for geostationary electric-propulsion satellites. Natural perturbations in GEO, including Earth's triaxiality, luni-solar attractions, and solar radiation pressure, are considered. Terms of appropriate orders due to these effects are chosen to model the semi-analytical dynamics, where modified short-period variations and differential mean orbital elements are derived. Regarding mean orbital elements as state variables and osculating orbital elements as measurements, a filter as well as analytical Jacobians is formulated to make the accurate estimation. Five scenarios are simulated to validate the accuracy and efficiency of the proposed method in the GEO region.
KW - Autonomous onboard estimation
KW - Filtering algorithm
KW - Geostationary orbit
KW - Mean orbital elements
UR - http://www.scopus.com/inward/record.url?scp=85072172383&partnerID=8YFLogxK
U2 - 10.1016/j.ast.2019.105369
DO - 10.1016/j.ast.2019.105369
M3 - Article
AN - SCOPUS:85072172383
SN - 1270-9638
VL - 94
JO - Aerospace Science and Technology
JF - Aerospace Science and Technology
M1 - 105369
ER -