滑翔制导炸弹变增益鲁棒控制器设计与仿真

针对滑翔制导炸弹,提出了一种变增益鲁棒控制器设计方法.通过将作战空域划分为几个小空域,并在其中一边界点对线性化后的系统,采用双回路鲁棒设计方法,设计满足系统性能和动态性能的鲁棒控制器.然后在各个边界点,采用插值方法将控制器内回路设计成与高度和速度相关的连续变增益控制回路,使内回路控制参数随着滑翔制导炸弹的飞行状态变化而变化,从而提高系统的性能.仿真结果表明,设计的控制器具有良好的时域响应性能,可以控制滑翔制导炸弹在大范围飞行过程中稳定,获得了满意的控制效果.     

末制导炮弹发动机点火时间的确定

确定了末制导炮弹发动机点火时间的范围,分析了发动机点火时间和射角对无控弹道射程的影响,同时分析了发动机点火时间对惯性制导启控点散布的影响.结果表明,在发动机点火时间范围内,点火时间对无控弹道射程和惯性制导启控点散布影响不大.     

Design and Simulation of BTT Missile with High-Aspect-Ratio Wing Robust H∞Autopilot

For the strong coupling among the channels of bank-to-turn (BTT) missile with high-aspect-ratio wing, an autopilot is designed with a two loop control structure robust autopilot design methods. By the inner loop design, the question of pole-zero cancellation is solved, and the stabilization of structured uncertainty is achieved. Through the outer loop of H∞ controller design, the flying performance and robustness can be guaranteed. The nonlinear simulation results show that the autopilot designed has perfect time domain response, and can suppress bad influence of the inertial and kinematics couplings. It can make the missile fly stably in the large flying areas. The control is very effective.     

巡逻攻击型导弹飞行控制系统设计

针对巡逻攻击导弹倾斜转弯（BTT）飞行控制中俯仰、偏航和滚转三通道之间很强的交叉耦合作用，采用古典控制理论设计了其自动驾驶仪，通过加入协调支路的方法来抵消各个通道之间的运动学及惯性耦合作用，并采用等效舵偏角的方法消除气动耦合的影响。非线性数字仿真结果表明，本文的方法，可以明媪降低通道同耦合作用，能够满足指标要求。     

Design and Simulation of BTT Missile with High-Aspect-Ratio Wing Robust H∞ Autopilot

For the strong coupling among the channels of bank-to-turn (BTT) missile with high-aspect-ratio wing, an autopilot is designed with a two loop control structure robust autopilot design methods. By the inner loop design, the question of pole-zero cancellation is solved, and the stabilization of structured uncertainty is achieved. Through the outer loop of H∞ controller design, the flying performance and robustness can be guaranteed. The nonlinear simulation results show that the autopilot designed has perfect time domain response, and can suppress bad influence of the inertial and kinematics couplings. It can make the missile fly stably in the large flying areas. The control is very effective.     

BTT导弹航迹跟踪技术

研究了倾斜转弯(BTT)导弹的航迹跟踪系统,外回路采用非线性过载制导指令的方式进行制导,内回路为过载自动驾驶仪.讨论了设计方案和原理,分析了制导控制指令生成方法以及制导指令参数的算法,并与大圆航线跟踪 姿态驾驶仪的方案进行了比较.6DOF弹道仿真结果表明,采用非线性过载制导 过载自动驾驶仪的方案,能够提高导弹跟踪的响应速度,达到良好的跟踪效果,其跟踪精度明显优于大圆航线跟踪 姿态驾驶仪的系统方案.