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Double-degree-of-freedom solar array control method and control system

A technology for a solar panel and a control method, which is applied in the field of satellite research, can solve the problems of low reliability, complex structure, and many devices, and achieve the effects of low realization difficulty, improved reliability, and improved stability and reliability.

Active Publication Date: 2020-01-03
BEIJING GUODIAN GAOKE TECH CO LTD
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] This application provides a two-degree-of-freedom solar panel control method and its control system to solve the problems in the prior art that require many devices, complex structures, many variables, and low reliability

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Embodiment Construction

[0043] The present application will be described in further detail below through specific embodiments and in conjunction with the accompanying drawings.

[0044] Such as figure 1 As shown, the embodiment of the present application provides a two-degree-of-freedom solar panel control method and its control system. The two-degree-of-freedom solar panel control method includes the following steps:

[0045] S1, the measured local time is the initial moment, and satellite orbit parameters, including orbital inclination ζ and initial orbit ascending node right ascension η 0 , specifically can be measured through the Beidou satellite navigation system, the Beidou satellite navigation system is currently a relatively mature satellite navigation system, with high reliability, easy to use, and can ensure the accuracy of measurement data.

[0046] S2, calculate the time t from the vernal equinox according to the initial moment, and compare the orbital inclination ζ and the right ascensi...

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Abstract

The invention relates to the technical field of satellite research, in particular to a double-degree-of-freedom solar array control method and control system. According to the double-degree-of-freedomsolar array control method, a satellite and a solar array are driven in a mode of combining a yaw maneuver and a single-degree-of-freedom SADA, the required devices are few, the accuracy is high, andthe swing type single-degree-of-freedom SADA is simple in structure and high in reliability; and an angular velocity control method is adopted, so that the torque output is controlled to be infrequent, the satellite is kept rotating in an uniform speed, and the stability and reliability of control are improved while energy conservation is achieved. According to the method, the change characteristics of a sunlight area and a shadow area are also utilized, the solar array is designed only to rotate at a constant speed in the sunlight area, while the solar array stops the movement to the sun inthe shadow area, the solar array returns to an initial posture, and waits for the arrival of the sunlight area, so that the method is more efficient, more energy-saving, and higher in control precision and accuracy. The control system is few in required devices, high in reliability, low in implementation difficulty and high in accuracy.

Description

technical field [0001] The present application relates to the technical field of satellite research, in particular to a method for controlling a two-degree-of-freedom solar panel and a control system thereof. Background technique [0002] In order to make full use of the electric energy generated by solar cells, a wing or two sail-like boards are extended from the satellite, and the boards are covered with solar cells. This kind of sail-like boards is called a solar array, or solar panel. In order to achieve the highest utilization rate of solar cells, the satellite also installed a satellite solar panel drive mechanism (referred to as SADA). As much solar energy as possible, thereby providing as much power as possible for the satellite. At present, the attitude control accuracy requirements of satellites are getting higher and higher, and the method of using a single-degree-of-freedom servo mechanism to control the solar panel to align with the sun has become increasingly ...

Claims

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Application Information

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IPC IPC(8): B64G1/44
CPCB64G1/443
Inventor 朱莲枝
Owner BEIJING GUODIAN GAOKE TECH CO LTD
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