Computer Science

Computer Science ›› 2021, Vol. 48 ›› Issue (6A): 432-437.doi: 10.11896/jsjkx.200500123

• Network & Communication • Previous Articles     Next Articles

Design of Low-latency Remote Serial Communication System

YU Xin-yi, WANG Xu-yan, YING Hao-zhe, OU Lin-lin   

  1. Zhejiang University of Technology,Hangzhou 310023,China
  • Online:2021-06-10 Published:2021-06-17
  • About author:YU Xin-yi, born in 1979,Ph.D.His main research interests include robot control and planning.
  • Supported by:
    National Key Research and Development Plan “Intelligent Robot” Key Project(2018YFB1308000) and Open Fund Project for State Key Laboratories of Robot Technology and Systems(SKLRS2013MS06).

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Abstract: In order to solve the problems of high upgrade cost,high delay,and weak scalability of industrial equipment using serial communication,a low-latency remote serial communication system is designed from the software level in this paper.An embedded control system is used as the gateway of the original serial port data.It uses multi-coroutine feature of Golang to encapsulate,isolate,and convert multiple serial port data into Ethernet data.The Ethernet data is transmitted by KCP algorithm and P2P transmission channel to the client.The client uses a structure in which the data interface is separated from the driver,and uses diffe-rent communication modes to forward data to the application according to the production scenario.Comparing the designed system with the serial communication system based on TCP protocol,the result indicates that the system has huge advantages in terms of transmission delay.The designed system provides an effective solution for the low delay problem in remote serial communication.

Key words: Concurrency control, KCP, Low-latency communication, Serial communication, Smart manufacturing

CLC Number: 

  • TP274
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