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中文摘要：
对传统过载三回路驾驶仪的结构进行了改进,在保持内环阻尼回路、增稳回路的基础上,将外环过载回路设计成自抗扰控制形式.通过扩张状态观测器的动态估计与补偿作用,提高了对于系统不确定性的鲁棒性,同时保持了三回路控制体制适于对静不稳定弹体增稳、快速性较强等优点.针对一个基准的非线性时变对象过载控制问题,通过非线性数值仿真对传统三回路驾驶仪和自抗扰三回路驾驶仪进行了分析比较,仿真结果表明自抗扰三回路驾驶仪在鲁棒性能方面优于传统的设计方法.
英文摘要：
A novel three-loop acceleration autopilot was proposed by keeping the damping and the stabilizing loops of the classical three-loop autopilot unchanged and replacing the acceleration loop with an active disturbance rejection controller. Extending the dynamic estimation and compensation functions of the state observer, the robustness to the uncertainties in the aerodynamic coefficients could be enhanced while the stabilizing capability for the static unstable missile and the speediness could still be maintained. The classical and the proposed three-loop autopilots were compared via a benchmark of a highly maneuverable missile represented by a time-varying nonlinear model. The simulation results demonstrate that the robustness of the proposed method outperforms the classical one.
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