基于预见控制的甲板运动跟踪控制研究

Research on Preview Control Based Deck Motion Tracking Control

甲板运动是舰载机完成海上作战任务的关键影响因素之一。针对无人舰载机着舰过程中甲板运动干扰问题,设计了基于最优预见控制的甲板运动补偿器,并与基于卡尔曼滤波算法的甲板运动预估器相结合,组成甲板运动跟踪控制系统。该系统利用了甲板运动预估信息以及预见控制提前操作的特点,可有效避免传统甲板补偿系统的相位延迟。最后,以非线性小型固定翼无人机模型为研究对象进行数值仿真,仿真结果表明,该系统能够有效跟踪甲板运动,从而提高无人机着舰成功率。

The deck motion has been one of the key factors influencing the implementation of sea fight missions of carrier-based aircrafts.To decrease the interference of the deck motion during the landing process of the UAVs,we designed a deck motion compensator based on optimal preview control,which was used to form a deck motion tracking control system with the Kalman-filtering-based deck motion predictor.The system can effectively avoid the phase delay of the traditional deck compensation system by using the deck motion prediction information and the features of preview control operation.Finally,the small nonlinear fixed-wing UAV model was used for simulation.The simulation results show that the system can effectively track the deck motion,and thus improve the success rate of UAV landing.