JOURNAL OF TEXTILE RESEARCH ›› 2017, Vol. 38 ›› Issue (03): 138-142.doi: 10.13475/j.fzxb.20160302805
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Needle selector is the key actuator in the electronic jacquard technology, and its working performance will directly a ffect the accuracy and reliability of circular knitting machine. The existing electronic choosing needle detector systems have shortcomes of low detection efficiency, poor reliability, and high cost. Using stroboscopic imaging principle, and utilizing the embedded control technology and the modular design method, a needle selector detection system was designed based on an embedded processor STM32 and programmable logic device. The practical test results show that the system can realize the effective detection of the cutter head failure of the needle selector with good stability, reliability and parallel control ability. The detection system is applied in the selection device manufacturers, which shows improvement of the stability, reliability and the production efficiency of the needle selector.
Key words: needle selector detection system, stroboscopic imaging, flicker frequency, embedded processor, compatible peogrammable logical device
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URL: http://www.fzxb.org.cn/EN/10.13475/j.fzxb.20160302805
http://www.fzxb.org.cn/EN/Y2017/V38/I03/138
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