双通道控制旋转导弹自动驾驶仪解耦控制研究

Decoupling Control of a Double-Channel Control Rolling Missile Autopilot

为消除旋转导弹自旋所带来的纵向与侧向运动的交叉耦合,进行了双通道控制旋转导弹自动驾驶仪回路解耦控制研究.对自动驾驶仪回路的耦合进行分析发现,旋转导弹自动驾驶仪回路存在运动耦合、控制耦合以及加速度表不在质心引起的耦合.分析结果表明了解耦的必要性.利用前馈补偿法实现了自动驾驶仪回路的解耦控制,并进行了仿真,结果验证了解耦方法的可行性.

In order to avoid cross couplings between the vertical and lateral motion, decoupling control of a double-channel control rolling missile autopilot was studied. Such couplings in autopilot loop are analyzed. Couplings of motion, control and the accelerometer placed a distance ahead of the c. g. exist in the rolling missile autopilot loop. Test results showed that the autopilot design needs decoupling. Trajectory simulation was conducted for a certain kind of missile controlled under optimization command. Simulation results proved that the scheme was feasible and had perfect application value.