Research on Communication Between Servo System and Encoder Based on Power Line Carrier Technology

doi:10.11985/2018.10.001

Abstract

Abstract:

For position oriented precise control system, a BISS-C protocol communication system based on DC power line carrier technology is proposed. The carrier communication system is based on the BISS-C protocol, and it takes the DC power line as the carrier. The asynchronous communication is used to realize quasi synchronous signal transmission, thus the communication system is simplified and the utilization of cable is improved. Power supply and data communication multiplexing are realized by using two wires. The system is based on a programmable logic device (FPGA). The carrier hardware circuit is designed, the communication flow is planned, and the communication protocol is worked out. The experiment of servo motor closed loop control shows that the system is stable and reliable, and it can meet the communication requirements.

Key words: Power line carrier, servo system, BISS-C protocol, FPGA

CLC Number:

TM921

Zong Ming,Shi Chengqiang,Shao Shibiao. Research on Communication Between Servo System and Encoder Based on Power Line Carrier Technology[J]. Journal of Electrical Engineering, 2018, 13(10): 1-5.

Figures/Tables 7

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References 5

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