A CS-AdaBoost-BP model for product quality inspection

Zengyuan Wu, Caihong Zhou, Fei Xu and Wengao Lou ()
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Zengyuan Wu: China Jiliang University
Caihong Zhou: Chongqing University
Fei Xu: Wilfrid Laurier University
Wengao Lou: Shanghai Business School

Annals of Operations Research, 2022, vol. 308, issue 1, No 25, 685-701

Abstract: Abstract Quality inspection is essential in preventing defective products from entering the market. Due to the typically low percentage of defective products, it is generally challenging to detect them using algorithms that aim for the overall classification accuracy. To help solve this problem, we propose an ensemble learning classification model, where we employ adaptive boosting (AdaBoost) to cascade multiple backpropagation (BP) neural networks. Furthermore, cost-sensitive (CS) learning is introduced to adjust the loss function of the basic classifier of the BP neural network. For clarity, this model is called a CS-AdaBoost-BP model. To empirically verify its effectiveness, we use data from home appliance production lines from Bosch. We carry out tenfold cross-validation to evaluate and compare the performance between the CS-AdaBoost-BP model and three existing models: BP neural network, BP neural network based on sampling, and AdaBoost-BP. The results show that our proposed model not only performs better than the other models but also significantly improves the ability to identify defective products. Furthermore, based on the mean value of the Youden index, our proposed model has the highest stability.

Keywords: Imbalanced data; Quality inspection; AdaBoost algorithm; Cost-sensitive learning; Machine learning (search for similar items in EconPapers)
Date: 2022
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DOI: 10.1007/s10479-020-03798-z

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