چکیده

Although the Industrial Internet of Things (IIoT) has made great improvement in factory automation there are still many challenges in meeting response time and reliability requirements of IIoT communications. These challenges are because of the need to real-time communications in an industrial environment with high electromagnetic interferences. To meet these challenges in context of real-time industrial device communications Controller Area Network (CAN) protocol is commonly employed which is noise resistance nevertheless the presence of a faulty node in CAN networks can lead to deadline violation of messages and timing failure. In this paper to control the behavior of nodes message retransmission performed based on criticality of message reception (MRMC-CAN). The proposed method in comparison with standard CAN and WCTER-based approaches reduces consumed bandwidth by average 10.5% and 4.4% respectively and improves response time in comparison with standard CAN by average 36.19%.

کليدواژه ها

Controller Area Network Industrial Internet of Things Real-Timeness Reliability Error Handling

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اسماعیل قدس اللهی , 1400 , MRMC-CAN A Method to Improve Real-Timeness and Response Time of CAN , پنجمين دوره كنفرانس بین‌المللی اينترنت اشيا و كاربردها