Sliding-mode control for a rolling-missile with input constraints

This paper investigates the overload stabilization problem of the rolling-missile subject to parameters uncertainty and actuator saturation.In order to solve this problem,a sliding-mode control (SMC) scheme is technically employed by using the backstepping approach to make the dynamic system stable.In addition,SMC with the tanh-type switching function plays an important role in reducing intrinsic vibration.Furthermore,an auxiliary system (AS) is developed to compensate for nonlinear terms arising from input saturation.Finally,the simulation results provide a solution to demonstrate that the suggested SMC and the AS methodology have advantages of strong tracking capability,anti-interference ability and anti-saturation performance.