Electronic nose system for banana quality detection
A quality inspection and electronic nose technology, applied in the field of electronic nose systems, can solve the problems of unsuitable rapid detection, sensitive to temperature and humidity changes, insufficient accuracy and repeatability, and achieve the effect of improving system recognition rate and detection accuracy.
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[0014] A block diagram of an electronic nose system for banana quality detection, such as figure 1 shown.
[0015] The electronic nose system includes a sensor array, a signal acquisition module, a temperature control module, an air path control module, buttons, a display screen, a data storage module, a communication interface and a controller. The working process is as follows: the characteristic gas of the sample is collected into the gas chamber by the gas circuit control module, converted into a voltage signal by the sensor array, and then converted into a digital signal by the signal acquisition module, and finally the discrimination result is given by the pattern recognition unit.
[0016] The present invention selects 8 kinds of sensors to optimize and form the detection array of the electronic nose, and their models and performance descriptions are shown in Table 1.
[0017] When the sample gas is collected into the gas chamber, diffusion and dilution will occur, res...
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