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Efficient satellite SpaceWire Plug-and-Play (PnP) network topology construction method

A plug-and-play, network topology technology, applied in the field of satellite SpaceWire network construction, can solve problems such as uncollected data, no explanation or report found, and achieve the effect of reducing traversal time and improving processing efficiency.

Active Publication Date: 2015-11-18
SHANGHAI SATELLITE ENG INST
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Problems solved by technology

[0003] At present, there is no description or report of the similar technology of the present invention, and no similar data at home and abroad have been collected yet.

Method used

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  • Efficient satellite SpaceWire Plug-and-Play (PnP) network topology construction method
  • Efficient satellite SpaceWire Plug-and-Play (PnP) network topology construction method
  • Efficient satellite SpaceWire Plug-and-Play (PnP) network topology construction method

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Embodiment Construction

[0020] 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.

[0021] The invention discloses an efficient satellite SpaceWire plug and play network topology construction method. The construction constraints of SpaceWire network topology, the constraints of nodes in SpaceWire network and the most time-saving network construction method of network traversal are proposed.

[0022] The present invention is directed to a SpaceWire plug-and-play network that includes a master control node. The time required for the master control node to query a node during the initial...

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Abstract

The invention provides an efficient satellite SpaceWire Plug-and-Play (PnP) network topology construction method. According to the efficient satellite SpaceWire PnP network topology construction method, construction constraint of a SpaceWire network topology, constraint of nodes in a SpaceWire network, a most time-saving network construction mode of the network traversal and the like are provided. Based on the networking and data transmission characteristics of a SpaceWire bus, time consumed by traversal during initialization of the satellite SpaceWire PnP network is reduced, treatment efficiency of a satellite for coping with sudden failures is increased, design reference and basis are provided for rapid construction of the SpaceWire network on the satellite, and a certain engineering application value is obtained.

Description

technical field [0001] The invention relates to a method for constructing a satellite SpaceWire network, which is used to ensure that the constructed satellite SpaceWire network consumes the least time during network traversal through plug and play in the initialization stage. Background technique [0002] With the rapid development of aerospace technology, the demand for satellite use and load data equipment is ever-changing, and higher and higher requirements are put forward for the dynamic configuration, rapid assembly, testing, and launch of new satellite equipment. provides a good solution. In order to realize the plug-and-play of the satellite SpaceWire network, the master control node first needs to discover the topology structure and connected devices in the network through the network traversal algorithm. If the number of nodes in the network is given, and the master control node uses timing to wait for the response of each router port to determine whether there is...

Claims

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Application Information

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IPC IPC(8): H04L12/751H04L12/40H04L45/02
Inventor 张娟朱维王震吴侃侃郭晶晶刘方
Owner SHANGHAI SATELLITE ENG INST
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