Abstract
Although Differential Pressure Decay Testing (DPDT) is less influenced by external environment than pressure decay testing, the different temperatures involved in the process still affect the leak measurements, particularly in quick changing conditions. This paper investigates the impact of air, injected air and part temperature on leak measurements and develops a compensation model based on Machine Learning (ML) algorithms that uses these temperatures as predictors, as well as other such as maximum and minimum pressure during stabilization stage. An automated machine for data capture has been developed to simulate varying conditions. The results show that under the conditions investigated, the part temperature has the greatest impact on leak measurements. For the regressive model used in the compensation model, several ML algorithms are investigated, and the best results are obtained by using multilayer perceptron, reducing the mean absolute error measured by a commercial leak detector by 91%.
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Chacón, J.L.F., Gangoiti, A.G., Biain, X.O., Bilbao, A., Fernandez, E., Etxegoien, Z. (2022). Temperature-Effect Compensation for Leak Detectors by Using Machine Learning Techniques. In: Sanjurjo González, H., Pastor López, I., García Bringas, P., Quintián, H., Corchado, E. (eds) 16th International Conference on Soft Computing Models in Industrial and Environmental Applications (SOCO 2021). SOCO 2021. Advances in Intelligent Systems and Computing, vol 1401. Springer, Cham. https://doi.org/10.1007/978-3-030-87869-6_51
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DOI: https://doi.org/10.1007/978-3-030-87869-6_51
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