A Bank-to-Turn Autopilot Design for Missiles with a Lateral Jet
Date Issued
2004
Date
2004
Author(s)
Wang, Jen-Hsin
DOI
zh-TW
Abstract
In this thesis, we discuss how to combine a lateral jet system into bank-to-turn (BTT) missiles. The missile exploits the bank-to-turn control method in conjunction with asymmetrical airframes. When the missile is commended to roll, the direction of maximum aerodynamic normal force is oriented to the desired movement direction, and the maneuverability of the missile is increased. However nonlinearities and coupling effects caused by the high rolling rate in the BTT motion make the controller design very difficult. Here we utilize the traditional skid-to-turn (STT) design method. Neglecting the coupling among roll, pitch, and yaw axes, we first use the linearization technique and design linear controllers for every axis independently. Then we carry out simulations with the nonlinear model, and add a lateral jet to the frond end of the missile. The front lateral jet system can produce large lateral force and a higher attack angle instantaneously so that the missile has higher maneuverability. The simulation results of the present study do show the benefit of this device
Keywords: BTT, Autopilot, Lateral jet
Subjects
傾斜轉彎
側噴流
自動駕駛儀
Autopilot
BTT
Lateral jet
Type
thesis
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