Sidereal hour angle based attitude control method and system
An attitude control and sidereal time technology, which is applied in attitude control, transportation and packaging, space navigation equipment, etc., and can solve problems such as large ground dependence and verification.
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[0052] Specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
[0053] Such as figure 1 As shown, the present invention discloses an attitude control method based on sidereal hour angle, and the attitude control method specifically includes the following steps:
[0054] S1. Obtain the Julian century T corresponding to the current on-board time of the satellite, such as formula (1):
[0055] T = t 36525.0 * 3600 * 24 - - - ( 1 )
[0056] In formula (1): t is the current time on the satellite relative to UTC time at 12 o'clock on January 1, 2000, and the unit is second.
[0057] S2. Using the Julian century corresponding to the current on-board time and the fixed-point position information P of the satellite in the geosynchronous orbit, calcula...
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