Micro-satellite information system based on CAN bus

A CAN bus and micro-satellite technology, applied in the field of communication, can solve the problems of no explanation or report in the aerospace field, and no data has been collected, and achieve the effect of high communication reliability, reliable communication method, and clear interface relationship.

Active Publication Date: 2021-09-07
SHANGHAI LIZHENG SATELLITE APPL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] At present, there is no explanation or report on related technologies similar to the present invention in the field of aerospace, and no similar data at home and abroad have been collected yet.

Method used

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  • Micro-satellite information system based on CAN bus

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Embodiment Construction

[0039] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several changes and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0040] Such as figure 1 As shown, the micro-satellite information system based on the CAN bus provided by the present invention includes a satellite computer 101, a charging and discharging management module 102, an attitude control computer 103, a data transmission transmitter 104, a spread spectrum transponder 105, and a USB transponder machine 106, mechanism controller 107 and test load module 108. The various components are connected through the CAN bus, and the star service computer 101 transmits ...

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Abstract

The invention provides a micro-satellite information system based on the CAN bus, including components: a satellite computer, a charging and discharging management module, an attitude and orbit control computer, a data transmission transmitter, a spread spectrum transponder, a USB transponder, a mechanism controller and a test load Module; each component is connected through a CAN bus, and the star service computer transmits instruction information to other components through the CAN bus, and at the same time receives telemetry information from other components. Information transmission is carried out between various functional components of the present invention through a communication bus, and the communication process is restricted by the bus communication protocol, which is simple, convenient and highly reliable. In this system, basically all functional components except satellite attitude control measurement components and execution components are covered, which is more conducive to the high integration design of satellites.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a CAN bus-based micro-satellite information system. Background technique [0002] Traditional satellite information systems are designed based on point-to-point serial communication protocols, such as the patent "Star, Mesh, and Point-to-Point Integrated Satellite Communication Device" with the publication number CN101127533A. The design process is prone to errors. At present, CAN bus communication technology has been applied in a certain range in the field of satellites, but the coverage of communication nodes is very limited. [0003] At present, there is no explanation or report on related technologies similar to the present invention in the field of aerospace, and similar data at home and abroad have not been collected yet. Contents of the invention [0004] Aiming at the defects in the prior art, the object of the present invention is to provide a CAN bus-based mic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B64G1/24H04L12/40
CPCB64G1/242B64G1/24H04L12/40006H04L2012/40215B64G1/245
Inventor 沈朱泉彭攀高梦淇王新元刘凯俊
Owner SHANGHAI LIZHENG SATELLITE APPL TECH CO LTD
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