说明：  设计结构图实现飞机自动驾驶，并利用MATLAB中的SIMULINK创建控制系统框图，同时对系统的稳态误差进行分析。
(The structure diagram is designed to realize the automatic driving of the aircraft, and the block diagram of the control system is created by using the SIMULINK in MATLAB, and the steady-state error of the system is analyzed.)