The invention belongs to the technical field of electromagnetic catapult aircrafts, and relates to a catapult speed control method and system of an electromagnetic catapult aircraft. The method comprises the steps that the separation moment and the separation speed of the aircraft in the process of accelerating from an ejection platform of the electromagnetic ejection aircraft to separation are obtained, a kinetic equation of the aircraft is established, and a real-time speed equation of the aircraft is obtained; electromagnetic catapult parameters and aircraft parameters are obtained, a speed state equation of the electromagnetic catapult aircraft is constructed, and a speed observation vector is obtained; and obtaining a speed fusion equation according to the speed observation vector and a speed state equation of the electromagnetic catapult aircraft, constructing a Kalman filter, estimating a speed error of the electromagnetic catapult aircraft by taking the speed observation vector as a filtering observation quantity, and carrying out speed feedback according to an estimation result. The method can meet the requirements of different ejection speeds of various aircrafts.
本申请属于电磁弹射飞行器技术领域,涉及一种电磁弹射飞行器的弹射速度控制方法和系统。方法包括:获取飞行器从电磁弹射飞行器的弹射平台上加速至脱离过程中的分离时刻和分离速度,建立飞行器的动力学方程,并得到飞行器的实时速度方程;获取电磁弹射器参数和飞行器参数,构建电磁弹射飞行器的速度状态方程,并得到速度观测向量;根据速度观测向量和电磁弹射飞行器的速度状态方程,得到速度融合方程,并构建卡尔曼滤波器,以速度观测向量作为滤波观测量,对电磁弹射飞行器的速度误差进行估计,并根据估计结果进行速度反馈。本方法能够满足各类飞行器不同弹射速度的需要。
Method and system for controlling ejection speed of electromagnetic ejection aircraft
一种电磁弹射飞行器的弹射速度控制方法和系统
2024-03-08
Patent
Electronic Resource
Chinese
IPC: | B64U |
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