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Research of the Key Technologies of Model and Control of Electronic Shogging System on High Speed Warp Knitting Machine

Author: DiYun
Tutor: JinFuJiang;ChangXiangZhen
School: Huaqiao University
Course: Textile Engineering
Keywords: warp knitting machine electronic shogging motion guide bar PID Neural Network
CLC: TS183.3
Type: Master's thesis
Year: 2013
Downloads: 1
Quote: 0
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Abstract


The control system of the guide bar is the core device of a warp knitting machine,the study of electronic shogging system has a very important effect to improve theefficiency and product quality of the warp knitting machine.The paper did the research of the key technologies of the warp knitting machinein the following aspects:1. According to the law of the technological requirements of the warp knittingmachine shogging motion, descript the motion model of the guide bar in detail. Byanalyzing and comparing of several different types of motion model, we designed amodified sine acceleration motion model and also established the motion model indifferent intervals.2. Established the model of servo motor, transmission mechanism, shoggingmotion of the guide bar and the detection device of the warp knitting machine, andfinally deduced the overall closed-loop model of the electronic shogging system andthe transfer function model of it.3. Designed the PID control algorithm to complete the guide bar tracking controlof the target model, and verify the algorithm in simulation.4. Designed the Neural Network PID control algorithm to complete the guide bartracking control of the target model and also verify that in simulation, too. Comparedand analyzed the two algorithms.

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CLC: > Industrial Technology > Light industry,handicrafts > Textile industry,dyeing and finishing industry > Knitting > Knitted use machines > Warp knitting machine
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