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A general 1553b bus communication simulation test system and method

A simulation test and bus communication technology, applied in the field of general 1553B bus communication simulation test system, can solve the problems of low versatility of 1553B bus communication system structure, inaccurate software simulation results, etc., to enhance address bus driving ability and ensure address access Signal integrity, the effect of ensuring flexibility

Active Publication Date: 2016-08-31
NO 771 INST OF NO 9 RES INST CHINA AEROSPACE SCI & TECH
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Problems solved by technology

[0005] In order to overcome the deficiencies in the existing 1553B bus communication system testing technology, the purpose of the present invention is to provide a 1553B bus communication simulation test system and method, which solves the inaccurate software simulation results of the 1553B bus communication system and the common structure of the dedicated 1553B bus communication system It provides a technical guarantee for the stable operation of the higher frequency 1553B communication system

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  • A general 1553b bus communication simulation test system and method
  • A general 1553b bus communication simulation test system and method
  • A general 1553b bus communication simulation test system and method

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Embodiment Construction

[0033] The present invention will be further described in detail below in conjunction with specific embodiments, which are explanations of the present invention rather than limitations.

[0034] see figure 1 , the present invention includes computer 1, master control 1553B communication node group 3, slave 1553B communication node group 4, computer 1 is connected with the CPU sub-board in master control 1553B communication node group 3 through emulator 2, master control 1553B communication node group 3 It is connected with the subordinate 1553B communication node group 4 through the A / B channel 1553B communication line 5 to form an A / B channel dual redundancy 1553B communication network system.

[0035] The hardware and electrical connection structures of the master 1553B communication node group 3 and the slave 1553B communication node group 4 are the same, and both adopt the same sub-motherboard plug-in structure. Each communication node group consists of a block such as ...

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Abstract

Disclosed is a universal 1553B bus communication simulation testing system and method. The system comprises a computer, a simulator, a master control 1553B communication node set and a slave 1553B communication node set. The computer is connected with a CPU (central processing unit) sub-board of the master control 1553B communication node set through the simulator. The master control 1553B communication node set is connected with the slave 1553B communication node set through an A / B 1553B communication line. The computer controls a CPU to initialize any two of 16 1553B communication nodes in the master control 1553B communication node set to BC (bus controller) and BM (bus monitor) operating modes, other 14 ones to RT (remote terminal) operating modes and 16 1553B communication nodes in the slave 1553B communication node set to the RT operating mode. A maximum-scaled communication network system based on 32 1553B communication nodes is constructed, and universal 1553B bus communication simulation testing is achieved.

Description

technical field [0001] The invention belongs to the circuit application network system-level test technology, in particular to a general 1553B bus communication simulation test system and method. Background technique [0002] 1553B is a digital time-division command / response multiplexing transmission data bus. As a military standard bus of the US Department of Defense, its initial development purpose is to solve the problem of weapon system integration and communication and control between weapon platforms. The wide application of 1553B lies in its high reliability and completeness of specifications and standards. The 1553B bus standard clearly stipulates the bus communication protocol, the electrical characteristics of 1553B communication devices, transmission cables and network matching resistance and other hardware characteristics. However, the 1553B bus standard does not specify parameters related to practical applications such as the length of the main line, the distrib...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F11/267
Inventor 李春王延旗张方李登王华莹
Owner NO 771 INST OF NO 9 RES INST CHINA AEROSPACE SCI & TECH
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