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Study on the Asphalt Spraying Controller of Synchronization Crushed Stone Seal Coat Machine Based on DSP

Author: ZhangHaiTang
Tutor: ZhangXinRong
School: Chang'an University
Course: Mechanical and Electronic Engineering
Keywords: Synchronous pavement surface technology Control system DSP MODBUS HMI
CLC: TP273
Type: Master's thesis
Year: 2007
Downloads: 68
Quote: 4
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Abstract


Papers synchronous pavement surface equipment development project to Xi'an Road Construction Machinery Co., Ltd. as the background, and the detailed design of the control system of synchronous pavement surface equipment asphalt distributor . First, a detailed study of the the asphalt distributor control system basic function and composition of the proposed control core DSPTMS320LF2407 for the composition of the control system program , anti-jamming measures to improve the stability of the control system , draw a the hardware circuit schematic diagram and PCB and debugging through the controller board . Incremental digital PID control algorithm and accurate control of the asphalt pump speed . DSP capture interrupt input module AD converter module , PWM the contrast output module completed the acquisition of the digital-to-analog signal and the output of the PWM signal . A logical conversion matrix table approach simplifies and solves the equipment operating state where the complex logic jump relationship . Select the touch screen MT506TV as the man-machine interface of the control system , and equipment real-time status monitoring and construction parameters set . MODBUS message structure , write the MODBUS protocol communication interface program to solve the communication problem between the touch screen and DSP . Macro program , data conversion between the touch screen and DSP . Through on-site commissioning phase , record and analyze the relationship between the parameters of the system , improve the hardware and software of the control system , improve the reliability of the control system , the quality of equipment operating in accordance with the design requirements .

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Automatic control,automatic control system
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