Furnace control was one of the first practical applications of multi-layer neural networks: https://www.researchgate.net/publication/282185187_Artificial_neural

Furnace control was one of the first practical applications of multi-layer neural networks: https://www.researchgate.net/publication/282185187_Artificial_neural_nets_for_prediction_of_silicon_content_of_blast_furnace_hot_metal https://www.researchgate.net/publication/282185187_Artificia...