... employing artificial neural networks Sensor Review, 17(2), pp. 150-158(9) Part 3 Food Industry Artificial Neural Networks - Industrial and Control Engineering Applications 232 ANN was ... expressed as follows: 2220 1 1 2 2 3 3 11 1 22 2 33 3 12 1 2 23 2 3 31 3 1yxxx x x x xx xx xxββ β β β β β β β β=+ + + + + + + + + where x1, x2 ,and x 3 are inputs, y is the output, The ... (2004). An Artificial Olfactory system based on Gas Sensor Array and Back-Propogation Neural Network, Lecture Notes in Computer Science, Advances in Neural Networks, Vol. 31 74, pp. 32 3 -33 9 Igor...