Data transmission method and system

A data transmission method and data technology, applied in the field of satellite attitude control, can solve the problem of occupying more host computer interfaces, and achieve the effects of ensuring real-time reception, reducing complexity, and reducing the number of serial ports

Inactive Publication Date: 2015-07-01
NORTHWESTERN POLYTECHNICAL UNIV
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  • Abstract
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  • Claims
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Problems solved by technology

In this method, each sensor data needs to be transmitted to the corresponding upper computer interface through the lower computer to ensure the real-time and accuracy of communication. When there are many sensors in the ADCS, more upper computer interfaces need to be occupied
In practice, due to the limitation of micro-nano-satellite size, power consumption, number of MCU interfaces, and test reliability, it is necessary to reduce the host computer interface as much as possible.

Method used

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  • Data transmission method and system

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Embodiment Construction

[0028] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0029] The data transmission method provided by the present invention is suitable for data transmission in the micro-nano-satellite ADCS performance testing process and in the application process of star service software. The data transmission includes two independent transmission processes that the upper computer sends remote control instructions to the lower computer to control the ADCS and the sensors in the ADCS send telemetry data to the upper computer through the lower computer.

[0030] figure 1 The data transmission method shown belongs to the process in which the sensor in ADCS sends telemetry data to the upper computer through the lower computer. The data transmission method includes:

[0031] 101. The lower computer receives data according to the micro-nano satellite ADCS data transmission type;

[0032] Wherein, the data sending...

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Abstract

The invention discloses a data transmission method and system and belongs to the technical field of satellite attitudes. The data transmission method and system can reduce the number of upper computer serial ports and accordingly reduces the complexity of a micro-nano satellite ADCS (the Attitude Determine and Control System) ground test system and improves the operability of ground test of a micro-nano satellite. The data transmission system comprises the following steps that a lower computer receives data according to micro-nano satellite ADCS data sending types; the lower computer packages the data into data packages; the lower computer sends the data packages to the upper computer according to a preset period. The data transmission method and system is applicable to the field of micro-nano satellite manufacture.

Description

technical field [0001] The invention belongs to the technical field of satellite attitude control, and in particular relates to a data transmission method and system. Background technique [0002] With the development of small satellite technology, the research on micro-nano satellite technology within 10 kg has become one of the hotspots of international satellite technology research. Countries are vigorously carrying out research on micro-nano satellite technology, so that it can have more specific applications in military affairs, communications, geological exploration, environmental and disaster monitoring, meteorological services, scientific experiments, and deep space exploration. [0003] Among them, micro-nano satellites are micro-satellites that integrate basic functional components such as power control, attitude determination and control, etc. on a single circuit board based on micro-electromechanical systems technology (MEMS, Microelectromechanical Systems) and p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00G08C17/02G05B23/02
Inventor 杨家男冯乾刘勇苏笑宇张一玮李毅兰潘泉
Owner NORTHWESTERN POLYTECHNICAL UNIV
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