Performance Test of Visual Vehicle USB Device Based on Script Programming

WU Weizhen; ZHOU Zhifei; YANG Ying; XIA Yinbo; LI Wenbo

doi:10.13890/j.issn.1000-128x.2016.02.022

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Performance Test of Visual Vehicle USB Device Based on Script Programming

更新时间：2021-12-13

- Performance Test of Visual Vehicle USB Device Based on Script Programming
- Electric Drive for Locomotives Issue 2, Pages: 80-84(2016)
- 作者机构：
  
  1. 中车株洲所电气技术与材料工程研究院,湖南,株洲,412001
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128x.2016.02.022
  CLC：
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WU Weizhen, ZHOU Zhifei, YANG Ying, et al. Performance Test of Visual Vehicle USB Device Based on Script Programming. [J]. Electric Drive for Locomotives (2):80-84(2016)
DOI：

WU Weizhen, ZHOU Zhifei, YANG Ying, et al. Performance Test of Visual Vehicle USB Device Based on Script Programming. [J]. Electric Drive for Locomotives (2):80-84(2016) DOI： 10.13890/j.issn.1000-128x.2016.02.022.

摘要

介绍一种车载设备的USB 接口的自动化性能测试方法，通过监测车载设备在USB 数据传输时的 CPU 负荷、内存占有率、传输速率等情况来判断车载设备的USB 接口的稳定性。该测试方法已运用到实际测试工作中，有效测试了车载设备USB 接口功能和性能，确保USB 通信可靠性，大大提高了工作效率。

Abstract

A USB interface automatic test method for vehicle-carried device was introduced, which was used to evaluate USB stability through monitoring the CPU load ratio, memory occupancy and transfer rate in the vehicle-carried device USB data transmission. The test method was used to test the function and performance of vehicle-carried device USB interface effectively, and ensured the USB communication reliability, which improved the operating efficiency greatly.

关键词

车载设备USB 接口自动化性能测试可靠性

Keywords

vehicle-carried deviceUSB interfaceautomationperformance testreliability

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