航空布撒器动力学具有非线性、强耦合、大参变的特点。针对动力学模型耦合和气动系数不确定性,给出了倾斜转弯自动驾驶仪的三通道独立设计方法。首先,采用混合灵敏度理论设计俯仰和滚转通道自动驾驶仪,以保证弹体在大空域范围内有较好...航空布撒器动力学具有非线性、强耦合、大参变的特点。针对动力学模型耦合和气动系数不确定性,给出了倾斜转弯自动驾驶仪的三通道独立设计方法。首先,采用混合灵敏度理论设计俯仰和滚转通道自动驾驶仪,以保证弹体在大空域范围内有较好的指令响应特性和稳定性。针对快速滚转引起的耦合,在偏航通道中引入攻角和滚转角速率信息,实现滚转/偏航运动解耦,抑制侧滑角。全弹道仿真表明,该方法设计的驾驶仪能适应大范围的气动参数变化,具有很好的鲁棒性,并能有效地实现倾斜转弯控制的好r forl coord inated law for yaw channel is givenaftUsing。展开更多
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 des...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.展开更多
文摘航空布撒器动力学具有非线性、强耦合、大参变的特点。针对动力学模型耦合和气动系数不确定性,给出了倾斜转弯自动驾驶仪的三通道独立设计方法。首先,采用混合灵敏度理论设计俯仰和滚转通道自动驾驶仪,以保证弹体在大空域范围内有较好的指令响应特性和稳定性。针对快速滚转引起的耦合,在偏航通道中引入攻角和滚转角速率信息,实现滚转/偏航运动解耦,抑制侧滑角。全弹道仿真表明,该方法设计的驾驶仪能适应大范围的气动参数变化,具有很好的鲁棒性,并能有效地实现倾斜转弯控制的好r forl coord inated law for yaw channel is givenaftUsing。
文摘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.