The generalized predictive control(GPC)

which fused the advantages of predictive control and self-adaptive control together

is another kind of predictive control algorithm

it can easily estimate the parameters on-line

and can realize the self-adaptive control.The combustion control system of a boiler equipped for thermal power unit is a complex time-varying dynamic process

which has behaviors of strong non-linearity

strong coupling

large time-delay

and strong interference etc.

the traditional PID control algorithm is very difficult to reach ideal control effectiveness and higher ratio of automatically putting into service.For this

directing against the behaviors of boiler system for thermal power unit

the GPC has been adopted in the combustion control system for boilers.Emulation shows that the GPC boasts strong adaptability and higher control accuracy

its control effectiveness is superrior to that of conventional PID control algorithm.