BP neural networks 14 Neural networks 14 BP neural network 11 Back-propagation neural networks 4 Forecasting 4 Big data 3 Failure analysis 3 Fault detection 3 Neural-networks 3 Principal component analysis 3 Principal-component analysis 3 fault diagnosis 3 Adaptive control systems 2 Annealing algorithm 2 Backpropagation 2 Bioluminescence 2 Carbon 2 Controllers 2 Data-driven fault diagnosis 2 Deposition 2 Economic and social effects 2 Economics 2 Errors 2 Evaluation and analysis 2 Faults diagnosis 2 Firefly algorithms 2 Fuel cell system 2 Genetic algorithms 2 Heat exchanger rupture 2 Heat exchangers 2