Abstract
[Objective] To meet the requirements of constant and adjustable rotation speed of rolling barrel and constant rotation speed of rolling barrel when tea is rolled. [Methods] The 6CR-55 single-column disc twisting machine was used as the research object in this paper. Fuzzy control algorithm and PWM closed-loop control method were investigated to study the stable control of rotating speed of rolling drum, and established the mathematical model of rotating speed control system of rolling drum based on the STM32 single-chip microcontroller. The simulation experiments of uncorrected, PID and fuzzy PID algorithm control system were carried out by MATLAB. [Results] Compared with uncorrected control and PID control, the output speed of the fuzzy PID speed control system was more stable and accurate, and the anti-interference ability was stronger. The speed error was controlled within 3 r/min. [Conclusion] The fuzzy PID control method can meet the requirement for the constant and adjustable rotating speed of the rolling drum during tea rolling, and improve the rate of tea forming and cell breakage.
Publication Date
9-11-2024
First Page
74
Last Page
80
DOI
10.13652/j.spjx.1003.5788.2023.81025
Recommended Citation
Yuchi, HE; Yongle, CHEN; Liang, HE; Ruimei, WU; Xuelong, LING; and Aihua, XIONG
(2024)
"Fuzzy PID design for rotating speed of rolling drum of tea twisting machine based on STM32,"
Food and Machinery: Vol. 40:
Iss.
7, Article 12.
DOI: 10.13652/j.spjx.1003.5788.2023.81025
Available at:
https://www.ifoodmm.cn/journal/vol40/iss7/12
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