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一种列车通信网络网关数据帧处理的优化方法 被引量:1

Optimization of Train Communication Network Gateway Data Frame Processing
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摘要 介绍IEC 61375-1标准中多功能车辆总线(MVB)和绞线式车辆总线(WTB)中数据报文的格式。针对MVB和WTB中,过程数据和消息数据不同的报文格式,网关对不同的报文做相应的处理,使得数据能够跨网段传输。为了尽可能利用报文的长度在通讯时传输尽可能多的数据,网关对数据帧进行适当组合。根据网关生成的数据帧,介绍一种WTB周期扫描表的优化方法,以提高WTB过程数据的通信效率。 The formats of the MuItifunction VehicIe Bus (MVB) and Wire Train Bus (WTB) teIegrams in IEC61375-1 standard are presented in this paper.To transmit data between MVB and WTB,the teIegram of process data and message data shouId be changed.To transmit more data on WTB one time,the WTB frame generated by gateway is a combination of some MVB data.An optimization of WTB period Iist is introduced to improve the efficiency of the WTB communication.
出处 《工业控制计算机》 2014年第9期11-12,14,共3页 Industrial Control Computer
关键词 多功能车辆总线 绞线式列车总线 数据帧 周期扫描表 MVB WTB data frame periodic Iist
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