2019
DOI: 10.1016/j.sjbs.2019.06.016
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Prediction model of PSO-BP neural network on coliform amount in special food

Abstract: Special food safety supervision by means of intelligent models and methods is of great significance for the health of local people and tourists. Models like BP neural network have the problems of low accuracy and poor robustness in food safety prediction. So, firstly, the principal component analysis was used to extract the key factors that influenced the amount of coliform communities, which was applied to reduce the dimension of this model as the input variable of BP neural network. Secondly, both the partic… Show more

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Cited by 66 publications
(29 citation statements)
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“…To test the performance of the evaluation model, this paper analyzes and compares the performance of FASSA-BP, SSA-BP, PSO-BP, and BP algorithms in terms of the accuracy and reliability of the model prediction results. In order to enhance the scientific nature of the evaluation of the forecast results, multiple performance metrics are used to evaluate the accuracy and stability of IMCM evaluation model results [34][35][36][37][38]. e performance analysis indexes used in this paper are as follows:…”
Section: Selection Of Network Performance Indicatorsmentioning
confidence: 99%
“…To test the performance of the evaluation model, this paper analyzes and compares the performance of FASSA-BP, SSA-BP, PSO-BP, and BP algorithms in terms of the accuracy and reliability of the model prediction results. In order to enhance the scientific nature of the evaluation of the forecast results, multiple performance metrics are used to evaluate the accuracy and stability of IMCM evaluation model results [34][35][36][37][38]. e performance analysis indexes used in this paper are as follows:…”
Section: Selection Of Network Performance Indicatorsmentioning
confidence: 99%
“…A BP neural network is used in this system for wind power prediction where the environmental information, such as ambient temperature, wind speed and humidity are taken as the inputs. The network is extremely sensitive to the weighting factors, and different initial values will lead to different results [41]- [44]. Improper selection of the weights will incur the network oscillation or out of convergence.…”
Section: B Pso-bp Network For Wind Power Predictionmentioning
confidence: 99%
“…It is proved theoretically that the neural network of a single hidden layer can approximate the nonlinear function with arbitrary precision, so that the model can realize the nonlinear mapping from input to output. With the increase of the number of hidden layers, the output error of the network will decrease [28]. erefore, the increase of hidden layers will improve the accuracy of the network but will make the network structure become complex, the running time become longer, and even lead to the overfitting phenomenon.…”
Section: Basic Bpnn Modelmentioning
confidence: 99%