Abstract

Thermal print head heating realtime temperature fluctuations are too large, often causing damage to the print head heating point, resulting in poor print quality and unsatisfactory print results. Therefore, in order to improve the stability of the thermal print head during printing, and at the same time solve the inefficiency of the traditional single chip microcomputer control of the thermal print head heating method, a field programmable gate array (FPGA) based thermal print head heating control method is proposed. In order to control the core, the intelligent fuzzy PID control algorithm is used to ensure that the temperature of the print head can be stabilized quickly. Through simulation and experimental verification, it is shown that the intelligent fuzzy PID control algorithm greatly improves the temperature stabilization effect, and the time required to reach stability short, not only improve the printing accuracy, but also extend the life of the print head.

Highlights

  • With the maturity of mobile Internet, Internet of Things, cloud computing, and big data technologies, the manufacturing field will have advanced capabilities to collect, transmit, and process big data, which will enable the manufacturing industry to form an industrial Internet and drive the subversion and reconstruction of traditional manufacturing

  • field programmable gate array (FPGA) has the advantages of high clock frequency, small internal delay, pure hardware parallel control, fast operation speed, flexible programming configuration, short development cycle, strong antiinterference ability, and rich internal resources

  • In response to the above problems, this paper proposes an FPGA-based intelligent control PID algorithm for heating the print head control system

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Summary

INTRODUCTION

With the maturity of mobile Internet, Internet of Things, cloud computing, and big data technologies, the manufacturing field will have advanced capabilities to collect, transmit, and process big data, which will enable the manufacturing industry to form an industrial Internet and drive the subversion and reconstruction of traditional manufacturing. It can be directly based on your needs through the Liquid Crystal Display (LCD) screen of the body It is a printer for industrial use that inputs, edits, and typesets label content, and directly prints out at high speed. FPGA has the advantages of high clock frequency, small internal delay, pure hardware parallel control, fast operation speed, flexible programming configuration, short development cycle, strong antiinterference ability, and rich internal resources. It is very suitable for real-time high-speed data transmission and processing [3].

THERMAL PRINT HEAD
THE OVERALL STRUCTURE OF THE SYSTEM
FPGA CONTROL TPH HARDWARE CIRCUIT
INTELLIGENT MATHEMATICAL MODEL OF TPH TEMPERATURE CONTROL SYSTEM
PARAMETER DESIGN OF CONVENTIONAL PID CONTROLLER
DESIGN OF FUZZY PID CONTROLLER
FUZZY QUANTIZATION MODULE
DEVIATION GENERATION MODULE
FUZZY LOOKUP TABLE
FUZZY INFERENCE MODULE
WAVEFORM SIMULATION TEST
VIII. CONCLUSION
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