To improve the control quality of the Superheated Steam Temperature(SST) of a supercritical boiler unit,in view of the multi-stage water-spray desuperheating system,this paper presents an error feedback compensation control scheme based on neural network(NN) inverse process models.A time-delay BP neural network is used to model the superheater system.With analysis of the boiler construction and operation characteristic,the inputs and outputs of the NN models are determined.Two NN inverse models are establis...