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Tiny satellite formation flying control method based on atmospheric drag and control device

A technology of formation flight and atmospheric resistance, which is applied in the direction of aerospace vehicle guidance devices, aerospace vehicles, aircraft, etc., can solve the problems of spaceborne instrument pollution, technical complexity and cost, satellite loss of value, etc., to achieve increased functional density, reduced Small complexity, low power effect

Inactive Publication Date: 2009-03-11
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Problems solved by technology

The existing technology mainly has the following three problems: one is that the control system using momentum wheels or propulsion systems is not only technically complex but also costly; The satellite loses its value; the third is that the impact of the thruster's plume on the satellite not only disturbs its stability, but also pollutes the sophisticated spaceborne instruments

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  • Tiny satellite formation flying control method based on atmospheric drag and control device
  • Tiny satellite formation flying control method based on atmospheric drag and control device
  • Tiny satellite formation flying control method based on atmospheric drag and control device

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Embodiment Construction

[0060] The technical scheme of the present invention is described in detail below in conjunction with accompanying drawing:

[0061] 1. The overall route of technical implementation:

[0062] Such as figure 1 As shown, the present invention includes a GPS receiver 11, an orbit determination device 12, an intersatellite link 13, a solar cell array 14, an attitude fusion filter 15, a three-axis magnetometer 16, a pure magnetic determination attitude 17, and formation law 18. Satellite attitude control law 19. Pneumatic board; the signal output end of the GPS receiver 11 is connected to the signal input end of the orbit determination device 12, and the signal of the GPS receiver 11 is calculated by the orbit determination device 12 to obtain an accurate orbit state, The first signal output end of orbit determining device 12 is connected with the first signal input end of intersatellite link 13; The signal output end of solar cell array 14 is connected with the first signal input...

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Abstract

The invention provides a control method and a control device used for micro-satellite cluster flying based on atmosphere resistance, and relates to the technical field of micro-aircraft and astronautics measuring and controlling. The signal output terminal of a GPS receiver is connected with the signal input terminal of a track determining device; the signal output terminals of a solar battery array and a three-axis magnetometer are connected with the input terminal of an attitude fusion filter; the output terminal of the three-axis magnetometer is connected with the input terminal of a pure magnetic measuring attitude fusion filter; the signal output terminal of the attitude fusion filter is connected with the second input terminal of a satellite line; the first output terminal of the satellite chain is connected with the input terminal of a cluster formation control law; the second output terminal of the satellite chain is connected with the input terminal of the satellite attitude control law; the formation and attitude of the satellite cluster flying are controlled by controlling a pneumatic plate. The method and the device achieve the objects of long service life of the aircraft, low power dissipation, low cost and no pollution on the basis of atmosphere resistance.

Description

technical field [0001] The invention relates to the technical field of micro-spacecraft and aerospace measurement and control. Background technique [0002] Microsatellite technology has been a hot spot in the field of aerospace research at home and abroad in the past ten years, and the research on several key technologies related to it has attracted the attention of many research institutions including universities. Due to the light weight, small size, and With a series of advantages such as low cost, short development cycle and high functional density, it plays an important role in the fields of communication, remote sensing, military affairs, planetary exploration, and engineering technology experiments. It is of great significance to research and develop attitude measurement and control technology with high pointing accuracy and stability. [0003] Formation flight is an important development direction of micro-satellites. Its rise marks the entry of aerospace technolog...

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Application Information

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IPC IPC(8): B64G1/24B64G1/32B64G3/00
Inventor 刘海颖王惠南冯成涛陈志明丁尚文
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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