Angular rate estimation and damping control of satellite with magnetometer data
Angular rate estimation and damping control of satellite with magnetometer data
复制标题
利用磁力计数据进行卫星角速率估计和阻尼控制
DOI:
10.1016/j.ijleo.2018.11.143
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发表时间:
2019-02
期刊:
影响因子:
--
通讯作者:
姜连祥
中科院分区:
文献类型:
--
作者:
李乐宝;李明翔;姜连祥
A rate filtering algorithm for estimating the satellite angular rate in damping mode is designed, by incorporating extended Kalman filter technique and three-axis magnetometers, which can obtain the angular rate of a tumbling satellite without gyroscopes after separation from the launch vehicle. An improved B-dot method is proposed to reduce the angular rate with magnetic coils in damping mode after launch separation. The proposed control scheme can improve the control precision of rate damping phase of satellite and make the tri-axial angular rate asymptotically converge to zero. In this paper, the proposed control scheme is applied to the damping mode of satellite, and simulation results compared with gyroscope measurement data. The simulation results not only show the effectiveness of the proposed control approach, but also verify that the proposed control scheme has high control precision.
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DOI:
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2018-08-20
期刊:
Sensors (Basel, Switzerland)
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