|The need for accurate time series forecasting has questioned the potential of Federated Learning (FL) in solving regression problems with privacy-preserving and collaborative prognosis requirements. While recent Machine Learning (ML) studies have shown accurate predictions in time series forecasting using functional principal component analysis, the potential of integrating this approach with FL has not been previously evaluated. This paper depicts the potential of combining functional time series regression with FL through the implementation of a Functional Multilayer Perceptron (FMLP). Experimental results on one of the most innovative industrial maintenance strategies, Predictive Maintenance (PM), demonstrate that the integration of FMLP with the well-known Federated Averaging (FedAvg) algorithm achieves accurate time series forecasting while preserving data privacy. These results, obtained using NASA C-MAPSS datasets, outperformed traditional ML and Deep Learning (DL) approaches in estimating the Remaining Useful Life (RUL) of aircraft components.
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