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运用奇异摄动解耦方法进行直升机低空机动飞行控制系统的设计。针对直升机执行机构的特殊性及计算机控制中的时延影响，采用比例加积分微分（ＰＩＤ）控制，且加入时延补偿进行控制律设计，改进了原来的奇异摄动解耦方法，其效果较好。
The Design of Control System of Low Altitude Maneuver Flight Using Singular Perturbation Decoupling Method. According to the peculiarity of the helicopter actuator and the time delay in the computer control, the proportional-plus-integral-derivative (PID) control is adopted and the control law is designed by adding the delay compensation. The original singular perturbation decoupling method is improved, it is good.