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Satellite controller and satellite control method

A controller and attitude controller technology, applied in the satellite field, can solve problems such as affecting attitude control accuracy

Inactive Publication Date: 2019-04-16
SHANGHAI ENG CENT FOR MICROSATELLITES
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Problems solved by technology

[0005] In the process of satellite attitude control, time delay affects the accuracy of attitude control

Method used

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  • Satellite controller and satellite control method
  • Satellite controller and satellite control method
  • Satellite controller and satellite control method

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Embodiment Construction

[0022] The specific implementation manner of the present invention will be described in further detail below in conjunction with the accompanying drawings. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0023] In one embodiment, such as figure 1 As shown, the satellite attitude controller of the present invention comprises: orbit controller 1, is configured to detect the orbit data of satellite and the orbit of control satellite; Attitude sensor 2, is configured to detect the attitude data of satellite; Attitude controller 3, It is configured to receive the attitude data and the orbit data, obtain time-synchronized attitude data and orbit data th...

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Abstract

In order to reduce the influence of time delay on attitude control and improve the accuracy of attitude control, the invention provides a satellite controller and a satellite control method. The satellite controller comprises an orbit controller, an attitude sensor, an attitude controller and an attitude actuator. The attitude controller obtains the time synchronous attitude data and orbit data through estimation, calculates the current attitude and the expected attitude of the satellite by adopting the time synchronous attitude data and the orbit data, and outputs the attitude adjustment amount according to the current attitude and the expected attitude, so as to achieve the desired attitude of the satellite. The satellite controller and satellite control method also applies the global satellite positioning system to improve the accuracy of time synchronization and further reduce the influence of time delay. The satellite controller and satellite control method further reduces the time delay of the attitude control by adjusting the task mode processing unit, and the rail control mode processing unit and / or the working mode processing unit to operate after the attitude controller outputs the attitude adjustment amount.

Description

technical field [0001] The invention relates to the field of satellites, in particular to a satellite controller and a satellite control method. Background technique [0002] The attitude of the satellite refers to the space pointing state of the satellite body in orbit. For example, communication satellites usually operate when their antennas are always aimed at the ground, while earth observation satellites require the windows of their observation instruments to be always aimed at the ground, so the attitude of the satellite needs to be controlled. [0003] Satellite controllers generally include orbit controllers, attitude sensors, attitude regulators, and attitude actuators. The attitude sensor is used to measure the attitude data of the satellite and transmit it to the attitude controller; the attitude controller calculates the attitude adjustment according to the attitude change value and transmits it to the attitude actuator. The attitude actuator generates torque a...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B64G1/24
CPCB64G1/242B64G1/245
Inventor 吴志华谢名霖张锐石微梁旭文刘会杰程睿万琳
Owner SHANGHAI ENG CENT FOR MICROSATELLITES
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