Kıyma Kokuşma Analizi İçin Düşük Maliyetli Elektronik Burun Geliştirilmesi
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Published:2023-04-25
Issue:
Volume:
Page:317-332
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ISSN:2148-4147
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Container-title:Uludağ University Journal of The Faculty of Engineering
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language:tr
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Short-container-title:UUJFE
Author:
KIZIL Kemal Eren1ORCID, ÖZALP Simge2ORCID
Affiliation:
1. İTÜ ETA Vakfı Doğa Koleji Çanakkale Kampüsü 2. İTÜ ETA Vakfı Çanakkale Koleji
Abstract
A low-cost, easy-to-use e-nose is developed to detect the spoilage of ground meat. E-nose consists of hardware, software and data processing components. The main elements of hardware component are gas sensors sensitive to hydrogen sulfide (H2S) and ammonia (NH3). Using MIT App Inventor 2 an Android application is developed to run the hardware component, retrieve the data, pre-process and send it to Google Sheets. Classification model is developed, and data management is carried out in Google Colab and Google Script. Logistic regression method is used to develop classification models from the collected signals. The model classified the samples as "spoiled" and "fresh" based on the gas concentrations. The Nessler solution is used to determine the actual spoilage state. Ground beef samples stored in the refrigerator and at room temperature are used to obtain spoiled and fresh samples to develop a logistic regression model. A total of 36 samples are used to develop model. Another set of 24 samples is used to test model and prototype device performance. It is observed that all samples used in the testing phase were classified correctly. The cost of the system has been determined as approximately $100 considering January 2021 exchange rates.
Publisher
Uludag University Journal of the Faculty of Engineering
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