Carrier-based aircraft exhibit highly complex coupling characteristics across control channels.To address the control coupling issues encountered during carrier-based aircraft landing,as well as the undershoot phenome...Carrier-based aircraft exhibit highly complex coupling characteristics across control channels.To address the control coupling issues encountered during carrier-based aircraft landing,as well as the undershoot phenomenon observed in trajectory adjustment,this paper proposes a direct longitudinal force control method based on the vertical translation mode.The proposed method enables decoupled control of altitude,velocity,and pitch channels while maintaining the aircraft’s attitude stability.This approach simplifies the control logic and eliminates the undershoot phenomenon in trajectory adjustment.Furthermore,given the difficulty in acquiring the relative position between the aircraft and the carrier,a Kalman filter-based multi-source signal fusion method is introduced,which effectively suppresses the noise interference in radar signal acquisition by the carrier-based aircraft.Simulation results demonstrate that the proposed composite control method enables rapid trajectory tracking and enhances landing accuracy.展开更多
Carrier-based aircraft endow aircraft carriers with powerful combat capabilities but also bring about safety issues for carrier-based aircraft landing.Therefore,it is necessary to study the accuracy,speed and orbit-ch...Carrier-based aircraft endow aircraft carriers with powerful combat capabilities but also bring about safety issues for carrier-based aircraft landing.Therefore,it is necessary to study the accuracy,speed and orbit-changing ability of carrier-based aircraft to follow ideal glide trajectories.Based on the control strategy of the US military’s‘magic carpet’technology,with the E-2C as the target,decoupling the trajectory angle control and angle of attack control,a double-layer dynamic inverse landing flight trajectory incremental modal control method is designed.The simulation results show that the designed control law can accurately track the glide command,while maintaining the angle of attack and velocity,and has good control performance;provide the correction capability of carrier-based aircraft to correct back to−3.5°under different trajectory angle states,as well as the correction capability and boundary when there are different altitude deviations during the final landing phase.展开更多
基金supported in part by the National Natural Science Foundation of China,grant numbers 62573253 and 62203259the Young Elite Scientists Sponsorship Programby CAST,grant number 2023QNRC001+1 种基金the Aeronautical Science Foundation of China,grant number 20240058058001the Foundation of the National Key Laboratory of Aircraft Configuration Design,grant number ZZKY-202505.
文摘Carrier-based aircraft exhibit highly complex coupling characteristics across control channels.To address the control coupling issues encountered during carrier-based aircraft landing,as well as the undershoot phenomenon observed in trajectory adjustment,this paper proposes a direct longitudinal force control method based on the vertical translation mode.The proposed method enables decoupled control of altitude,velocity,and pitch channels while maintaining the aircraft’s attitude stability.This approach simplifies the control logic and eliminates the undershoot phenomenon in trajectory adjustment.Furthermore,given the difficulty in acquiring the relative position between the aircraft and the carrier,a Kalman filter-based multi-source signal fusion method is introduced,which effectively suppresses the noise interference in radar signal acquisition by the carrier-based aircraft.Simulation results demonstrate that the proposed composite control method enables rapid trajectory tracking and enhances landing accuracy.
基金supported by the Aeronautical Science Foundation of China under grant 20230007003002.
文摘Carrier-based aircraft endow aircraft carriers with powerful combat capabilities but also bring about safety issues for carrier-based aircraft landing.Therefore,it is necessary to study the accuracy,speed and orbit-changing ability of carrier-based aircraft to follow ideal glide trajectories.Based on the control strategy of the US military’s‘magic carpet’technology,with the E-2C as the target,decoupling the trajectory angle control and angle of attack control,a double-layer dynamic inverse landing flight trajectory incremental modal control method is designed.The simulation results show that the designed control law can accurately track the glide command,while maintaining the angle of attack and velocity,and has good control performance;provide the correction capability of carrier-based aircraft to correct back to−3.5°under different trajectory angle states,as well as the correction capability and boundary when there are different altitude deviations during the final landing phase.
