奇异摄动理论在倾斜转弯导弹自动驾驶仪设计中的应用

DESIGN OF A BANK-TO-TURN AUTOPILOT APPLYING THE SINGULAR PERTURBATION THEORY

BTT（Bank-To-Turn）导弹协调转弯自动驾驶仪的综合问题，因弹体动力学的交叉耦合和具有不确定参数而变得十分复杂。本文用奇异摄动理论和控制舵面解耦技术，将多变量系统简化成单变量系统，并用极点配置理论设计了协调转弯自动驾驶仪。对设计的系统进行数字仿真，证实了方法的正确性。

The paper deals with the problem of design of a bank-to-turn autopilot for the interception of maneuvering targets,which is a complicated problem due to the severe aerodynamic couplings and uncertain parameters.The design process is divided into two steps: 1) The multivariable system is simplified into single input systems making use of the singular perturbation theory and uncoupling technique for the control rudders.2) Based on the pole assignment theory,synthesis of single input systems is attained.An example of the autopilot design for the EMRAAT missile is given to illustrate the proposed method.