Routing system and method of vehicle-mounted CAN bus gateway

Routing system and method of vehicle-mounted CAN bus gateway

The invention discloses a routing system and method of a vehicle-mounted CAN bus gateway. According to the invention, routing strategies of the gateway under four conditions of power-on process of thegateway, normal operation process but source network segment signal loss, message counter and check...

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Hauptverfasser: YUE YI'E, FAN ZHIRONG
Format: Patent
Sprache:chi ; eng
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ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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FAN ZHIRONG
description The invention discloses a routing system and method of a vehicle-mounted CAN bus gateway. According to the invention, routing strategies of the gateway under four conditions of power-on process of thegateway, normal operation process but source network segment signal loss, message counter and check value errors of a message where a source network segment signal is located, and whole vehicle power-off process are designed; according to the method, when the signal of the source network segment is lost or an error occurs, the gateway can effectively forward the data, and normal operation of eachCAN bus controller is ensured. 本发明公开了一种车载CAN总线网关的路由系统及方法，本发明设计了网关在上电过程中、正常运行过程中但发生源网段信号丢失、源网段信号所在报文的报文计数器和校验值错误、整车下电过程中四种情况下网关的路由策略，上述方式能保证源网段的信号丢失或发生了错误时，网关能有效的进行数据的转发，保证各个CAN总线控制器正常运行。
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
title Routing system and method of vehicle-mounted CAN bus gateway
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