Reliability modeling analysis method for complex constellation system

An analysis method and reliability technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve problems such as the inability to accurately establish reliability models of complex constellation systems, and achieve simple and convenient calculations, clear logic, and easy inspection Effect

Pending Publication Date: 2021-03-05
AEROSPACE DONGFANGHONG SATELLITE
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Problems solved by technology

[0005] The problem solved by the technology of the present invention is: the problem that the traditional reliability block diagram method cannot be used to accurately ...

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  • Reliability modeling analysis method for complex constellation system
  • Reliability modeling analysis method for complex constellation system
  • Reliability modeling analysis method for complex constellation system

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Embodiment Construction

[0031] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0032] Such as figure 1 Shown is the method flowchart of the present invention, from figure 1 It can be seen that the specific steps of a complex constellation system reliability modeling and analysis method provided by the present invention are as follows:

[0033] (1) According to the mission requirements of the constellation system, determine the reliability criterion of the constellation system.

[0034] Among them, the reliability criterion of the constellation system generally takes whether one or more key task indicators of the constellation system meet the requirements as the criterion. For example, the revisit period of the same place in the earth observation constellation, the number of visible satellites at any point in th...

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Abstract

A reliability modeling analysis method for a complex constellation system comprises the following steps: (1) determining a reliability criterion of the constellation system according to task requirements of the constellation system; (2) selecting one constellation configuration from a plurality of constellation configurations; (3) for the selected constellation configuration, determining a backupsatellite configuration scheme of the constellation system, and establishing a reliability model of the constellation system according to the constellation system task simulation model and the reliability criterion; (4) repeating the step (3) to sequentially establish a constellation system reliability model of each constellation configuration; and (5) utilizing the constellation system reliability model of each constellation configuration to obtain a change curve of the constellation reliability along with the reliability of a single satellite, and determining the constellation configurationwith the optimal system reliability according to the change curve. Aiming at the condition that a reliability model of the complex constellation system cannot be established by using a traditional reliability block diagram method, the reliability modeling problem of the complex constellation system is solved.

Description

technical field [0001] The invention relates to a reliability modeling analysis method of a complex constellation system, which belongs to the technical field of satellite overall design. Background technique [0002] Reliability modeling of complex constellation systems is the only way to understand the variation of constellation system reliability with the reliability of individual satellites. The constellation system is built up by individual satellites. Only by building an accurate constellation system reliability model can the reliability index of the constellation system be assigned to a single satellite, thereby constraining the reliability design of a single satellite and passing the The actual reliability level of each satellite is used to predict the reliability level of the entire constellation system, so that the reliability of different constellation design schemes can be compared. Therefore, constructing the reliability model of the complex constellation syste...

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Application Information

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IPC IPC(8): G06F30/20G06F111/08G06F119/02
CPCG06F30/20G06F2111/08G06F2119/02
Inventor 王世清蒙薇
Owner AEROSPACE DONGFANGHONG SATELLITE
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