A testing device and operation method for broadband aviation electronic bus
A bus test and avionics technology, applied in the field of broadband avionics bus testing devices, can solve the problems of incompetent broadband avionics bus basic performance and function evaluation, etc., and achieve friendly man-machine interface, strong repeatability, and simple operation method. easy effect
Inactive Publication Date: 2009-09-30
BEIHANG UNIV
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Problems solved by technology
At home and abroad, there are corresponding test methods and relatively mature test systems for traditional avionics buses (such as ARINC429, MIL-STD-1553B), but due to the particularity of broadband avionics bus systems (high bandwidth 50Mbps; time-limited token message passing; priority assignment), which makes it different from the traditional bus system (point-to-point method of ARINC429, command response method of MIL-STD-1553B) test content and test method
In addition, due to the specificity of traditional test devices, the previous test systems and devices can only be used for the test and evaluation of a specific bus, but not for the basic performance and function evaluation of the wideband avionics bus (HSDB).
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[0033] The present invention will be further described in detail below in conjunction with the accompanying drawings.
[0034] A kind of broadband avionics bus testing device of the present invention, such as figure 1 As shown, it includes a host unit 1, a bus test interface unit 2, and a media unit 3; wherein, the host unit 1 is connected to the bus test interface unit 2, the bus test interface unit 2 is connected to the media unit 3, and the tested unit is connected to the media unit 3 The bus test interface unit 2 includes a host interface unit 21, a protocol control unit 22, a station management unit 23, a fault injection unit 25 and a medium interface unit 24, and the host interface unit 21 is the same as the host unit 1, the protocol control unit 22, and the station management unit. The unit 23 is connected to the media interface unit 24 , the protocol control unit 22 is connected to the station management unit 23 , the fault injection unit 25 , and the media interface u...
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The present invention is a broadband avionics bus testing device and its operating method, the device comprising: a host unit, a bus test interface unit, and a medium unit; wherein, the host unit is connected with the bus test interface unit, and the bus test interface unit is connected with the medium unit, The tested unit is connected with the medium unit; the bus test interface unit is composed of a host interface unit, a protocol control unit, a station management unit, a fault injection unit and a medium interface unit; the operation method of the device is: after the system is powered on, the program will automatically Run, select different test modes by mouse: (1) frame format operation mode; (2) station management operation mode; (3) multi-site loop operation mode; (4) multi-priority message scheduling mode; ( 5) Mode state transition mode; (6) Node key state parameter mode. The test device has low test cost, simple and easy operation method, friendly man-machine interface and strong repeatability.
Description
(1) Technical field: [0001] The invention relates to the test of a wideband avionics bus, and provides an evaluation platform for detecting its working performance for the bus system, specifically, refers to a wideband avionics bus testing device and its operation method, belonging to the avionics bus Test device technical field. (two) background technology: [0002] With the development of avionics technology, avionics bus technology has undergone generational evolution from discrete, combined, and even integrated. The broadband avionics bus system is an integrated information system used for information exchange and resource sharing between avionics subsystems. It is a crucial "central nerve" in the avionics system. Compared with vertical and joint avionics bus technologies, it has higher throughput, lower message delay and higher reliability. Therefore, how to use a reasonable method to test and verify the basic performance and functions of the broadband avionics bus sy...
Claims
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IPC IPC(8): H04L12/26
Inventor 周强熊华钢
Owner BEIHANG UNIV