Zunyi Company of China Tobacco

Zunyi, China

Zunyi Company of China Tobacco

Zunyi, China

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Ding W.,Zunyi Company of China Tobacco | Zhu Z.,Zunyi Company of China Tobacco | Zhang C.,Zunyi Company of China Tobacco | Chen X.,Zunyi Company of China Tobacco | And 5 more authors.
Intelligent Automation and Soft Computing | Year: 2013

In order to make the flue-cured tobacco represent better aroma quality, an electronic nose with an array of metal-oxide gas (MOS) sensors are used to monitor the smell change during tobacco curing process. The design of dedicated electronic nose and experiment steps are described in detail. After signal preprocessing, the smell synthesized curve, of which four obvious peaks were detected, was obtained by the use of principal component analysis (PCA). The results indicate that, the peak time would be of important significance to the smell synthesized curve, which can clearly reflect the overall trend of smell during tobacco curing process. Therefore, back-propagation neural network (BPNN) is proposed to forecast peak time. This paper presents a study on smell change based on electronic nose during flue-cured tobacco process and detection of obvious peaks on the basis of sensor outputs. The law of smell changes obtained from analysis is in agreement with flue-cured tobacco theory. © 2013 Copyright TSI® Press.


Ding W.,Zunyi Company of China Tobacco | Zhu Z.,Zunyi Company of China Tobacco | Chen X.,Zunyi Company of China Tobacco | Zhang C.,Zunyi Company of China Tobacco | And 4 more authors.
2013 2nd International Conference on Agro-Geoinformatics: Information for Sustainable Agriculture, Agro-Geoinformatics 2013 | Year: 2013

This paper using particle system to simulate a rain and snow environment. In order to reduce the particle number, the system used a big texture technology. Besides that, snow accumulation and rainwater ground effect are also simulated.

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