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Combined scheduling method of satellite-ground measurement and control resources of low-mid-orbit satellite constellation based on orbit determination constraint satisfaction

A technology of constraint satisfaction and joint scheduling, which is applied to integrated navigators, special data processing applications, instruments, etc.

Inactive Publication Date: 2014-03-12
CHINA XIAN SATELLITE CONTROL CENT
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Problems solved by technology

Furthermore, the existing TT&C resource scheduling methods are all for the purpose of data transmission. According to the review, there are no relevant reports and materials related to the solution to the problem of joint scheduling of satellite-ground TT&C resources supporting low-orbit satellite orbit determination.

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  • Combined scheduling method of satellite-ground measurement and control resources of low-mid-orbit satellite constellation based on orbit determination constraint satisfaction
  • Combined scheduling method of satellite-ground measurement and control resources of low-mid-orbit satellite constellation based on orbit determination constraint satisfaction
  • Combined scheduling method of satellite-ground measurement and control resources of low-mid-orbit satellite constellation based on orbit determination constraint satisfaction

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Embodiment Construction

[0099] The present invention will be further described in detail below with reference to specific examples.

[0100] The scenarios in this embodiment are as follows:

[0101] The space scene consists of 100 medium and low orbit satellites. Among them: 24 medium-orbit satellites form the Walker24 / 3 / 1 constellation, with an orbital height of 21,528km and an orbital inclination of 55°; each satellite can establish an inter-satellite link at the same time; 24 satellites in sun-synchronous orbit with an orbital height of 500km~2000km, the orbital inclination is about 98°; 52 low-orbit satellites, the orbital height is 500km~2000km, and the orbital inclination is 60°~100°.

[0102] The ground scene consists of 7 ground stations. Among them: 6 ground stations are installed with single-beam measurement and control equipment, and 1 ground station is installed with 4-beam measurement and control equipment. The seven ground stations are located in the northeast, northwest, central and...

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Abstract

The invention discloses a combined scheduling method of satellite-ground measurement and control resources of a low-mid-orbit satellite constellation based on orbit determination constraint satisfaction, and belongs to the field of combined scheduling of the satellite-ground measurement and control resources. The method comprises the steps of (1) building a visible geometry model, (2) building a visible link model, (3) building the constraint condition of orbit determination, (4) carrying out preprocessing, (5) determining a resource distribution principle, (6) building a combined scheduling model of the satellite-ground measurement and control resources, and (7) carrying out algorithm solution. Compared with the prior art, the method has the advantages that the scheduling result is reasonable, the scheduling process is efficient, and the scheduling method is high in universality. The air-and-ground-based integrated scheduling of the measurement and control resources is achieved. The transition from ground-based measurement and control to air-and-ground-based combined measurement and control in China is achieved.

Description

technical field [0001] The invention mainly relates to the field of joint scheduling of satellite-to-ground measurement and control resources, in particular to a satellite-to-ground measurement and control resource joint scheduling method that supports orbit determination of medium and low orbit constellations. Background technique [0002] A satellite constellation ("constellation" for short) refers to a satellite system composed of multiple satellites, the satellite orbits form a stable spatial geometry, and the satellites maintain a fixed space-time relationship to complete specific space missions. The orbital altitude of a single satellite in the medium and low orbit constellation is maintained within the range of 500km to 25,000km, and the main aerospace tasks include: communication, navigation and earth observation. [0003] The measurement and control system is responsible for the measurement and control of the satellite from the stage of launching into orbit to the s...

Claims

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Application Information

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IPC IPC(8): G06F19/00G06F17/50G01C21/24
Inventor 李晶余培军张天骄耶刚强陈建荣朱俊刘建平白剑谷小松姜博樊恒海郭启旺
Owner CHINA XIAN SATELLITE CONTROL CENT
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