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FC-AE-1553 simulation communication demonstration system and data transmission method

A demonstration system and communication card technology, applied in the transmission system, digital transmission system, data exchange network, etc., can solve the problems that cannot fully meet the various technical indicators of the spacecraft

Active Publication Date: 2017-06-09
BEIJING WATERTEK INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the old spacecraft mainly use the traditional MIL-STD-1553B bus. Although the MIL-STD-1553B bus has the characteristics of high reliability and high real-time performance, it cannot fully meet the requirements of future spacecraft due to the limitation of its 1Mbps transmission bandwidth. The requirements of various technical indicators

Method used

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  • FC-AE-1553 simulation communication demonstration system and data transmission method
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  • FC-AE-1553 simulation communication demonstration system and data transmission method

Examples

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Embodiment 1

[0115] figure 1 A schematic diagram of the structure of the FC-AE-1553 simulation communication demonstration system provided by the embodiment of the present invention.

[0116] The embodiment of the invention provides a simulation communication demonstration system suitable for the FC-AE-1553 high-speed bus protocol. Described emulation communication demonstration system adopts the frame-mounted structure of cabinet to form, and this emulation demonstration system is mainly made up of 2 independent cabinets, and each cabinet forms a subnet corresponding to FC-AE-1553 bus network (such as figure 1 The first subnet and the second subnet shown in ), the embodiment of the present invention adopts a switched networking structure to build a FC-AE-1553 dual redundant network.

[0117] Such as figure 1 As shown, the simulation communication demonstration system of the embodiment of the present invention is composed of 4 monitors, 4 industrial computers (including keyboards and mic...

Embodiment 2

[0149] figure 2 The structural diagram of the FC-AE-1553 emulation communication card provided for the embodiment of the present invention, such as figure 2 As shown, the simulated communication card provided in this embodiment includes:

[0150] FPGA (Field-Programmable Gate Array, Field Programmable Gate Array) unit is used to realize the control logic function according to the preset application requirements;

[0151] The optical module interface unit SFP is used to send and receive link optical signals, and convert the received optical signals into serial digital signals for processing by the FPGA unit, and at the same time convert the serial digital signals from the FPGA unit into optical signals and send them to the optical fiber link road;

[0152] Edge connector, one end is connected to the PCI-E (bus interface) slot of the host computer backplane where the emulation communication card is inserted, and the other end is connected to the encoding module GTX interface...

Embodiment 3

[0167] refer to image 3 As shown, it is a schematic structural diagram of the FPGA unit provided by the embodiment of the present invention. The communication card provided by the embodiment of the present invention adopts a dual optical port and dual channel structure design. Therefore, the FPGA unit contains two sets of main logic modules, corresponding to two channels (Port_0 and Port_1), such as image 3 As shown, the two sets of main logic modules are respectively the first main logic module Port_0 and the second main logic module Port_1, and the internal logics of the two sets of main logic modules are completely the same. In addition to the above two main logic modules, the FPGA unit also includes a routing module and a PCI-E IP core module for communication between the board hardware and the host computer; it also includes channel data corresponding to the PCI-E core Buffer and arbitration logic module; also includes two GTX modules (the first encoding module GTX_0 ...

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Abstract

The invention discloses a FC-AE-1553 simulation communication demonstration system and a data transmission method; the FC-AE-1553 simulation communication demonstration system comprises the following structures: a first subnet including a first industrial control computer, a second industrial control computer and a first switch and a third switch; a second subnet including a third industrial control computer, a fourth industrial control computer, a second switch and a fourth switch. The first, second, third and fourth industrial control computers, the first switch and the third switch form a first redundancy net; the first, second, third and fourth industrial control computers, the second switch and the fourth switch form a second redundancy net; the first and second redundancy nets form the FC-AE-1553 dual-redundancy network; the first, second, third and fourth industrial control computers are communication nodes, and respectively inserted by a FC-AE-1553 simulation communication card.

Description

technical field [0001] The invention relates to the technical field of high-speed serial bus communication and testing, in particular to an FC-AE-1553 simulation communication demonstration system and a data sending method. Background technique [0002] The formulation of FC (Fibre Channel Fiber Channel Protocol) began in 1988, and was in charge of the ANSI X3T11 group of the American National Standards Committee. At present, a huge protocol family has been formed, and it is constantly being updated and improved. In recent years, my country has also begun to vigorously study the high-speed interconnection technology related to the FC protocol, and successively released a series of "GJB6410-2008 Fiber Channel Physical and Signal Interface FC-PH", "GJB6411-2008 Fiber Channel Avionics Environment FC-AE" and so on. The FC protocol standard has been widely used in various types of aerospace vehicle internal electronic communication network systems. [0003] The FC protocol netwo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24
CPCH04L41/145
Inventor 尚震王自力苗佳旺黄秋柏
Owner BEIJING WATERTEK INFORMATION TECH
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