| CAN节点总线关闭状态下通信中断的解决方法 |
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| 引用本文： | 李崇,张玉广,商丽娟,刘学民,胡备. CAN节点总线关闭状态下通信中断的解决方法[J]. 测控技术, 2016, 35(11): 95-97. DOI: 10.3969/j.issn.1000-8829.2016.11.024 |
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| 作者姓名： | 李崇 张玉广 商丽娟 刘学民 胡备 |
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| 作者单位： | 中国船舶重工集团公司第七一八研究所,河北邯郸,056027 |
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| 摘 要： | CAN总线通信中,当某一节点进入总线关闭状态后,不会与总线其他节点通信.针对这个问题,分析了节点从总线关闭状态转化为主动错误状态的条件,提出了采用模拟开关和电压基准主动实现这种转化条件的解决方法,解决了CAN节点恢复时间不确定的问题.
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| 关 键 词： | 现场总线 节点错误状态 总线关闭状态 主动错误状态 模拟开关 |
Analysis and Solution of CAN Node Communication Suspending in Busoff State |
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| LI Chong,ZHANG Yu-guang,SHANG Li-juan,LIU Xue-min,HU Bei. Analysis and Solution of CAN Node Communication Suspending in Busoff State[J]. Measurement & Control Technology, 2016, 35(11): 95-97. DOI: 10.3969/j.issn.1000-8829.2016.11.024 |
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| Authors: | LI Chong ZHANG Yu-guang SHANG Li-juan LIU Xue-min HU Bei |
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| Abstract: | During controller area network(CAN) bus communication,when one CAN node enters bus off state,it will not communicate with other CAN nodes.To solve this problem,the state transformation of the CAN node from bus off to error active is analyzed,and then a suitable solution that promoting actively the state transform by analog switch and voltage reference is provided,the node recovery time uncertainty is solved. |
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| Keywords: | CAN bus fault state of CAN node bus off state error active state analog switch |
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