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International Journal of Horticultural Science and Technology، جلد ۹، شماره ۳، صفحات ۲۷۵-۲۸۹
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عنوان انگلیسی Prediction of Physiological Characteristic Changes in Pears Subject to Dynamic Loading Using Artificial Neural Network (ANN)
چکیده انگلیسی مقاله The current study was aimed to evaluate the physiological properties of pear influenced by two dynamics of loading force and the storage time. In this experiment, the pears were subjected to dynamic loading (300, 350 and 400 g) and different storage periods (5, 10 and 15 d). The amounts of fruit total phenol, antioxidant and Vitamin C contents were evaluated after each storage period. In the present study, multilayer perceptron (MLP) artificial neural network featuring a hidden layer and two activating functions (hyperbolic tangent-sigmoid) and a total number of 5 and 10 neurons in each layer were selected for the loading force and storage period so that the amounts of the total phenol, antioxidants and Vitamin C contents of the fruits could be forecasted. According to the obtained results, the highest R2 for dynamic loading in a network with 5 neurons in the hidden layer and a sigmoid activation function were obtained for total phenol content (R2 = 0.980), antioxidant (R2 = 0.983) and Vitamin C (R2 = 0.930). Additionally, considering the value of Epoch and Run for the network, the ability of the neural network to predict total phenol, antioxidant and Vitamin C contents can be used. According to the obtained results, the neural network with these two activation functions possesses an appropriate ability in overlapping and predicting the simulated data based on real data.
کلیدواژه‌های انگلیسی مقاله Activation function, Antioxidant, Neurons, phenol, storage
نویسندگان مقاله Mohsen Azadbakht |
Department of Bio-System Mechanical Engineering, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran

Mohammad Vahedi Torshizi |
Department of Mechanics, Faculty of Emam Ali, Kordkuy Branch, Technical and Vocational University (TVU), Golestan, Iran

Mohammad Javad Mahmoodi |
Department of Mechanics, Faculty of Emam Ali, Kordkuy Branch, Technical and Vocational University (TVU), Golestan, Iran

Ahmad Abbaszadeh-Mayvan |
Department of Bio-System Mechanical Engineering, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran

نشانی اینترنتی https://ijhst.ut.ac.ir/article_85592_63b03854bf029f9244709a2158e0484d.pdf
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