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The Development of the Flat Screen Printing Machine Control System Based on CPLD

Author: ChenZeHuang
Tutor: HuangKeQiang
School: Zhejiang University
Course: Mechanical and Electronic Engineering
Keywords: Flat screen printing machine SCM CPLD Acceleration and deceleration curves Closed-loop position servo system
CLC: TP273
Type: Master's thesis
Year: 2012
Downloads: 12
Quote: 0
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Abstract


China textile printing and dyeing industrial nations . In recent years due to the flat screen printing machine to adapt to the low-volume, multi-species, low cost of system and network spend precision advantage . In this context , the subject from a practical point of view , the proposed the fixed platen using SCM CPLD flat screen printing machine lower machine controller , text , including the high - speed high-precision positioning of the overall program design , servo motor , lower machine controller hardware design , software design , and other content. The first chapter introduces the status quo and development trend of flat screen printing machine , flat screen printing machine control system of the status quo , and the need to study the contents of the introduction of this topic . The second chapter describes the movement process of the fixed platen flat screen printing machine mechanical structure and institutions , with Taiwan board fixed flat screen printing machine printing accuracy is described and analyzed . The third chapter describes the AC servo motor and its control mode , the closed-loop position servo system error and repeat positioning accuracy analysis . The detailed analysis of the servo motor speed operation of the new S-shaped curve acceleration and deceleration algorithm . The fourth chapter, flat screen printing machine lower machine controller based on the CPLD hardware circuit design and the CPLD logic of the design process . Analysis , given the difficulty in the hardware circuit design process . Chapter V focuses on the the controller software functions , structure, and module design , software reliability analysis and the corresponding solutions . Chapter VI of the designed the CPLD program and servo motor S -shaped curve acceleration and deceleration algorithm validation through simulation experiment further verify the actual running speed curve and positioning accuracy . Chapter VII Full summary analysis of the lack of controller proposed improvement program .

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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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