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Construction method for multifunction vehicle bus (MVB) and wire train bus-line (WTB) physical layer consistency test platform and constructed platform

A test platform, consistent technology, applied in the field of communication, can solve the problem of inability to quantify the performance parameters of equipment

Active Publication Date: 2012-01-04
ZHUZHOU CSR TIMES ELECTRIC CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Before the present invention, there was no MVB and WTB physical layer consistency test platform in China. The so-called test is just that the new TCN network equipment is connected with other equipment before application, and the interconnection of the equipment is only judged by whether there is data communication. Unable to quantify the performance parameters of the equipment

Method used

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  • Construction method for multifunction vehicle bus (MVB) and wire train bus-line (WTB) physical layer consistency test platform and constructed platform
  • Construction method for multifunction vehicle bus (MVB) and wire train bus-line (WTB) physical layer consistency test platform and constructed platform
  • Construction method for multifunction vehicle bus (MVB) and wire train bus-line (WTB) physical layer consistency test platform and constructed platform

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Embodiment Construction

[0022] The process of building the platform is shown in the attached picture figure 1 , including the following steps:

[0023] 1. Test platform requirement analysis;

[0024] 2. Determine the parameters of each device on the test platform;

[0025] 3. Test platform construction;

[0026] 4. Test platform error correction;

[0027] 5. Evaluation of the uncertainty of the test platform.

[0028] Test platform requirements analysis:

[0029] To achieve MVB and WTB physical layer conformance testing, the following equipment is required: a dedicated computer for running test software, a test instrument for collecting and analyzing test data, a test board that provides a test load circuit and provides access points for the test instrument and the device under test , the signal router used for signal routing, the accompanying test equipment used for testing from the device transmitter to the device under test to send the request main frame, the switch used for the interconnecti...

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Abstract

The invention discloses a construction method for a multifunction vehicle bus (MVB) and wire train bus-line (WTB) physical layer consistency test platform and the constructed platform. The method comprises the following steps of: analyzing the needs of the test platform; determining parameters of each piece of equipment of the test platform; constructing the test platform; correcting errors of the test platform; and assessing the uncertainty of the test platform. By the method, a plurality of indexes of MVB equipment and WTB equipment can be systematically tested, the physical properties o the MVB equipment and the WTB equipment can be comprehensively evaluated, and whether the indexes can meet corresponding requirements of standards or not can be comprehensively evaluated.

Description

technical field [0001] The invention relates to the communication field, in particular to a method for building a consistency test platform for MVB and WTB physical layers and the platform built. Background technique [0002] The train communication network is a special computer network used for the train, which has a large mobility, harsh environment, high reliability requirements, strong real-time performance, and is closely related to the control system. In June 1999, the train communication network formulated by the International Electrotechnical Commission (IEC) officially became an international standard (standard number IEC61375-1: 1999). The standard defines that the train communication network consists of a two-layer topology of WTB connected to MVB. In order to ensure the stable interconnection of train communication network products from different countries and manufacturers, the International Electrotechnical Commission (IEC) established a working group WG38 in 2...

Claims

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Application Information

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IPC IPC(8): H04L12/26
Inventor 陈高华丁荣军陈超录申慧冯江华黄赫邓珩
Owner ZHUZHOU CSR TIMES ELECTRIC CO LTD
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