In this paper,an integrated estimation guidance and control(IEGC)system is designed based on the command filtered backstepping approach for circular field-of-view(FOV)strapdown missiles.The threedimensional integrated...In this paper,an integrated estimation guidance and control(IEGC)system is designed based on the command filtered backstepping approach for circular field-of-view(FOV)strapdown missiles.The threedimensional integrated estimation guidance and control nonlinear model with limited actuator deflection angle is established considering the seeker's FOV constraint.The boundary time-varying integral barrier Lyapunov function(IBLF)is employed in backstepping design to constrain the body line-of-sight(BLOS)in IEGC system to fit a circular FOV.Then,the nonlinear adaptive controller is designed to estimate the changing aerodynamic parameters.The generalized extended state observer(GESO)is designed to estimate the acceleration of the maneuvering targets and the unmatched time-varying disturbances for improving tracking accuracy.Furthermore,the command filters are used to solve the"differential expansion"problem during the backstepping design.The Lyapunov theory is used to prove the stability of the overall closed-loop IEGC system.Finally,the simulation results validate the integrated system's effectiveness,achieving high accuracy strikes against maneuvering targets.展开更多
顶级品质的音响器材,由于其昂贵的价格与稀缺性,对于大多数人而言,平日里能够亲自接触并体验的机会实属难得。就在11月,我们来到了典雅音响花园,试听IsoTek EVO3 Super Titan 20A电源处理器,试听现场刚好搭配了Gryphon贵丰的Commander...顶级品质的音响器材,由于其昂贵的价格与稀缺性,对于大多数人而言,平日里能够亲自接触并体验的机会实属难得。就在11月,我们来到了典雅音响花园,试听IsoTek EVO3 Super Titan 20A电源处理器,试听现场刚好搭配了Gryphon贵丰的Commander指挥官、后级为Gryphon贵丰Apex单声道后级系统。展开更多
文摘In this paper,an integrated estimation guidance and control(IEGC)system is designed based on the command filtered backstepping approach for circular field-of-view(FOV)strapdown missiles.The threedimensional integrated estimation guidance and control nonlinear model with limited actuator deflection angle is established considering the seeker's FOV constraint.The boundary time-varying integral barrier Lyapunov function(IBLF)is employed in backstepping design to constrain the body line-of-sight(BLOS)in IEGC system to fit a circular FOV.Then,the nonlinear adaptive controller is designed to estimate the changing aerodynamic parameters.The generalized extended state observer(GESO)is designed to estimate the acceleration of the maneuvering targets and the unmatched time-varying disturbances for improving tracking accuracy.Furthermore,the command filters are used to solve the"differential expansion"problem during the backstepping design.The Lyapunov theory is used to prove the stability of the overall closed-loop IEGC system.Finally,the simulation results validate the integrated system's effectiveness,achieving high accuracy strikes against maneuvering targets.
文摘顶级品质的音响器材,由于其昂贵的价格与稀缺性,对于大多数人而言,平日里能够亲自接触并体验的机会实属难得。就在11月,我们来到了典雅音响花园,试听IsoTek EVO3 Super Titan 20A电源处理器,试听现场刚好搭配了Gryphon贵丰的Commander指挥官、后级为Gryphon贵丰Apex单声道后级系统。