| MVB协议分析装置设计及其实时性分析 |
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| 引用本文： | 宋娟,王立德,严翔,申萍.MVB协议分析装置设计及其实时性分析[J].铁道学报,2011(11):41-45. |
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| 作者姓名： | 宋娟 王立德 严翔 申萍 |
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| 作者单位： | 北京交通大学电气工程学院; |
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| 基金项目： | 北京交通大学基本科研业务研究生创新项目(2011YJS062) |
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| 摘 要： | 介绍多功能车辆总线MVB协议分析装置的功能、软硬件设计方案及实现原理。分析影响MVB协议实时性的关键因子,试验和对比4种不同改进方案下设计的MVB协议分析装置的实时性能,采用状态机模式实现MVB网络数据实时底层解码;采用多重缓冲技术,在无需控制器参与的情况下实现高速USB控制时序,解决了MVB协议分析装置实时性不高的难题。该设备与国外同类产品相比,在实时性、可靠性、灵活性等方面都有明显提高。
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| 关 键 词： | 多功能车辆总线 协议分析 实时性 USB接口 状态机 |
Design of MVB Protocol Analyzer and Real-time Analysis |
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| SONG Juan,WANG Li-de,YAN Xiang,SHEN Ping.Design of MVB Protocol Analyzer and Real-time Analysis[J].Journal of the China railway Society,2011(11):41-45. |
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| Authors: | SONG Juan WANG Li-de YAN Xiang SHEN Ping |
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| Institution: | SONG Juan,WANG Li-de,YAN Xiang,SHEN Ping(School of Electrical Engineering,Beijing Jiaotong University,Beijing 100044,China) |
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| Abstract: | The function of the MVB protocol analyzer,and the design schemes of software and hardware and implementing principle thereof are introduced.Analyzing the key factors affecting the MVB protocol real-time performance,the MVB protocol analyzers of four different improved designs are tested and their real-time performance is compared.The state machine is adopted to achieve real-time underlying decoding of the MVB network data,and the multiple-buffering technology is utilized to achieve high-speed USB control ti... |
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| Keywords: | multifunction vehicle bus(MVB) protocol analysis real-time USB interface state machine |
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