The Smith prediction compensation algorithm can not be used for unstable dead-time processes control directly.In order to make the compensation control of Smith predictor be stable in closed-loop system

a dynamic general controller was applied to the integrative-plus-dead-time model.This method takes full use of the feedback control of velocity and acceleration

which improved control quality of the system.Moreover

the meaning and determining method of instability correction factor Kp was given.The simulation results show that this method has good robustness

few adjustable parameters and simple configuration

which is convenience to the actual application.