A method, system and machine-readable storage medium for monitoring an
engine using a cascaded neural network that includes a plurality of
neural networks is disclosed. In operation, the method, system and
machine-readable storage medium store data corresponding to the cascaded
neural network. Signals generated by a plurality of engine sensors are
then inputted into the cascaded neural network. Next, a second neural
network is updated at a first rate, with an output of a first neural
network, wherein the output is based on the inputted signals. In
response, the second neural network outputs at a second rate, at least
one engine control signal, wherein the second rate is faster than the
first rate.