Design of Delay Compensation in Hovercraft Training Simulator Based on lead/lag

Transport delay in the Hovercraft Training Simulator(HTS)is the main reason of decreasing its performance and affecting its real-time.To decrease the transport delay on the impact of HTS,this paper introduces a modified lead/lad compensator to compensate the phase lag which caused by the transport delay.The modified lead/lag compensator can be applied in non-linear and time-varying HTS systems;and it eliminate the limitations of the traditional lead/lag compensation that it can only be applied in linear,time-invariant system.Analysis of simulation results show that it can improve the modified lead/lag compensator effectiveness of delay compensation,and adjusting the coefficients of the modified lead/lag compensator can enhance the compensation capacity of the compensator.