Abstract
The reliability of many industrial processes depends on the sensor system. However, these sensors can be affected by noise, perturbations and failures. Hence, sensor monitoring and diagnosis are fundamental to guarantee the quality of an industrial process. Nowadays, artificial neural networks (ANN) are widely used in sensor signal processing and diagnosis. However, those ANNs usually require many artificial neurons, being difficult to implement in software and hardware due to their high computational costs. This paper presents an optimized implementation of artificial neurons in ANNs for sensor data analysis using a Genetic Algorithm (GA). The objective of GA is to find an adequate segmentation to reduce the activation function approximation error. One of the advantages of the proposed approach is that the cost function used in GA considers the effect of factors such as the ANN architecture or the number of bits used in arithmetic operations. The proposed ANN implementation technique aims to get the best possible approximation for a specific ANN architecture, making easier its implementation in software and hardware. Simulation and experimental results using FPGA (Field Programmable Gate Array) prove the advantages of the proposed approach for implementing sensor data analysis systems based on ANNs.
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Acknowledgments
Authors want to thank the BATLAB Laboratory and the Graduation Program in Electrical Engineering of Federal University of Mato Grosso do Sul – UFMS, for the support to this research.
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D’Estefani, A., Cordero, R., Onofre, J. (2022). Efficient Implementation of Artificial Neural Networks for Sensor Data Analysis Based on a Genetic Algorithm. In: Pinto, J.O.P., Kimpara, M.L.M., Reis, R.R., Seecharan, T., Upadhyaya, B.R., Amadi-Echendu, J. (eds) 15th WCEAM Proceedings. WCEAM 2021. Lecture Notes in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-030-96794-9_40
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DOI: https://doi.org/10.1007/978-3-030-96794-9_40
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