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对单调节油门的飞行控制系统进行了分析与研究。在论述了单调节油门的飞控系统的基本控制原理之后，以B－720飞机为研究背景对其数学模型进行了分析。文中采用模态加权的LQR方法设计了可有效提高飞机稳定性的增强系统；研究了单调节油门的飞控系统对飞机速度进行控制的原理；在增强系统基础上设计了与仪表着陆系统相耦合的自动着陆系统。通过大量的分析与仿真表明，采用现代控制理论进行单调节油门控制系统的设计是可行的，也验证了单调节油门的飞行控制系统是一种应急情况下有效控制方式。
The flight control system of single-throttle accelerator is analyzed and researched. After discussing the basic control principle of flight control system with single-throttle accelerator, the mathematical model of B-720 aircraft is analyzed. In this paper, modal-weighted LQR method is used to design an augmentation system that can effectively improve the stability of the aircraft. The control principle of the aircraft with a single-throttle accelerator is studied. Based on the augmented system, Automatic landing system. Through a large number of analysis and simulation shows that the use of modern control theory for single-throttle control system design is feasible, but also verified that the single-throttle control system is a flight control an effective emergency control mode.