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2014•Modern Electronics TechniqueRequires access

Design of railway station communication system based on CAN-bus

Guo Shao-xion

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Abstract

CAN-bus(controller area network bus)is a field bus which is widely used in industrial control. As a microcontroller,AVR SCM and its applications are becoming more and more widespread. The design scheme of CAN-bus communication node is studied by means of the characteristic introduction of CAN-bus technology. The specific hardware design scheme and software processes are offered in this paper. compares The advantages and disadvantages in the aspects of communication distance,real-time performance,reliability and flexibility between CAN-bus and RS-485 bus. The specific application of CAN-bus technology in the railway station communication system is introduced. The practical application proves that the CAN-bus has a good practical value in the railway station communication system,which lays a solid foundation for the technological upgrade of the railway signaling system.

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What this paper is about

CAN-bus(controller area network bus)is a field bus which is widely used in industrial control. As a microcontroller,AVR SCM and its applications are becoming more and more widespread. The design scheme of CAN-bus communication node is studied by means of the characteristic introduction of CAN-bus technology. The specific hardware design scheme and software processes are offered in this paper. compares The advantages and disadvantages in the aspects of communication distance,real-time performance,reliability and flexibility between CAN-bus and RS-485 bus. The specific application of CAN-bus technology in the railway station communication system is introduced. The practical application proves that the CAN-bus has a good practical value in the railway station communication system,which lays a solid foundation for the technological upgrade of the railway signaling system.

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Available abstract

CAN-bus(controller area network bus)is a field bus which is widely used in industrial control. As a microcontroller,AVR SCM and its applications are becoming more and more widespread. The design scheme of CAN-bus communication node is studied by means of the characteristic introduction of CAN-bus technology. The specific hardware design scheme and software processes are offered in this paper. compares The advantages and disadvantages in the aspects of communication distance,real-time performance,reliability and flexibility between CAN-bus and RS-485 bus. The specific application of CAN-bus technology in the railway station communication system is introduced. The practical application proves that the CAN-bus has a good practical value in the railway station communication system,which lays a solid foundation for the technological upgrade of the railway signaling system.

Key concepts: CAN bus, System bus, Control bus, Upgrade, Bus network, Field bus, Local bus, Flexibility (engineering)

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