Control Method of Material Supply Speed of Pillow Packing Machine Based on Double Fuzzy PID

XIONG Xin-guo, HAO Jun, LIU Yong-jun

Packaging Engineering ›› 2021 ›› Issue (17) : 255-260.

PDF(7132 KB)
PDF(7132 KB)
Packaging Engineering ›› 2021 ›› Issue (17) : 255-260. DOI: 10.19554/j.cnki.1001-3563.2021.17.035

Control Method of Material Supply Speed of Pillow Packing Machine Based on Double Fuzzy PID

  • XIONG Xin-guo1, LIU Yong-jun1, HAO Jun2
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Abstract

In order to improve the accuracy and stability of the material feeding speed control and shorten the adjustment time of the speed, this paper studies the material feeding speed control method of pillow packing machine based on the double fuzzy PID. Firstly, the speed input signal in the controller is used to form the fuzzy language set. Then the weighted average decision method is used to reverse the fuzzy processing of fuzzy language sets to form identifiable values. On this basis, the fuzzy control adaptive adjustment of PID control parameters, combined with the adaptability of the fuzzy control process and the accuracy of PID control, the formation of a double fuzzy PID control method to control the identifiable numerical values, so as to improve the accuracy and stability of the material feeding speed control process. The experimental results show that the average speed control deviation of this method is 1.17 mm, which can effectively realize the accurate control of speed, and the influence of environmental noise on the accuracy of speed control is small. In the case of different packing speed, the control adjustment time is shorter and the stability is stronger. Experimental results show that this method is effective.

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XIONG Xin-guo, HAO Jun, LIU Yong-jun. Control Method of Material Supply Speed of Pillow Packing Machine Based on Double Fuzzy PID[J]. Packaging Engineering. 2021(17): 255-260 https://doi.org/10.19554/j.cnki.1001-3563.2021.17.035
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