Abstract
In view of the current tea charcoal roasting methods, there are problems such as high labor intensity, low efficiency, and difficult control of the carbon roasting temperature, resulting in poor tea quality. An intelligent tea charcoal roasting machine using an adaptive fuzzy PID control system is designed. The control system undergoes fuzzification and other processingafter two inputs to achieve real-time changes of three output parameters, so as to meet the design requirements of baking temperature. Experiments show that the overall temperature inside the box can be kept within （80±2） ℃ after baking for 20 minutes; the aroma test found that the content of charcoal baking trans-neryl alcohol, plant alcohol, and farnesene are all higher than electric baking, and the biochemical components in the tea are significantly different from electric baking. In the sensory evaluation comparison, the sensory evaluation score of charcoal roasted tea is 92.66 points, which is greater than the 91.44 points of electric baking. The charcoal roaster has stable performance during the roasting process, and the quality of roasted tea is better than electric roasting, which can effectively improve the roasting quality of tea.
Publication Date
3-28-2021
First Page
96
Last Page
101
DOI
10.13652/j.issn.1003-5788.2021.03.018
Recommended Citation
Yu-sen, GAO; Jin-bo, REN; Mei-juan, LI; Jian, LIN; and Chuan-yu, WU
(2021)
"Design and test of tea charcoal roasting machine based on fuzzy PID control,"
Food and Machinery: Vol. 37:
Iss.
3, Article 18.
DOI: 10.13652/j.issn.1003-5788.2021.03.018
Available at:
https://www.ifoodmm.cn/journal/vol37/iss3/18
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