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Decoupling of btt missile Using Rolling Actuator

Journal of Beijing Institute of Technology 2009年第4期18卷 448-451页

作者：于煜斌张靖 School of Aerospace Engineering Beijing Institute of Technology

In order to reduce the coupling between pitch, yaw and roll channels of the bank-to-turn （btt） missile caused due to missile body roll. A new structure actuator for reducing the coupling of btt missiles is studied. The new structure actuator can roll independently along the longitudinal axis of the missile. The actu- ator instead of airframe needs to steer when controlling btt missile roll. So the rolling speed of main airframe and thus the coupling of missile introduced by airframe rolling are reduced. And control logic is designed for the missile using roll actuator. Finally, analysis and simulation results demonstrate the effectiveness of the rolling actuator in decoupling a btt missile.

关键词： btt missile roll actuator decoupling control two axis control

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On decoupled or coupled control of bank-to-turn missiles

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Science China(Information Sciences) 2015年第5期58卷 195-207页

作者： DUAN ZhiSheng HUANG Lin YANG JianYing QIN GuoZheng State Key Lab for Turbulence and Complex Systems and Department of Mechanics and Engineering Science College of Engineering Peking University

In this paper, the differences between decoupled and coupled control of bank-to-turn(btt) missiles have been studied in detail from three aspects: stabilizability, linear quadratic regulator(LQR) control and tracking control. It is found that for some parameters the btt missile can be controlled by a decoupled way,especially for stabilizability and LQR control. However, for some others, the btt missile cannot be decoupled and a coupled control method is needed. Therefore, for a practical flight control system, the decouplability should be studied before giving a decoupled control method. In addition, in order to avoid the disadvantages of LQR control method, an improved H∞controller design method is given. Combined with tracking control problem, a new H∞control method is established for trajectory tracking.

关键词： btt missile decoupled control coupled control tracking control

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Smooth Switching Output Tracking Control for a Class of Linear Time-Varying Systems:An LMI Approach

Smooth Switching Output Tracking Control for a Class of Line...

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第二十九届中国控制会议

作者： SONG Lei,YANG Jianying State Key Lab of Turbulence and Complex Systems,College of Engineering,Peking University,Beijing 100871,P.R.China

This paper is concerned with the problem of smooth switching state feedback controller design for aircraft dynamic systems with multiple operating *** on the theory of robust control,a single state feedback controller which considers the pole placement requirements and smooth switching is *** the constant controller,the closed-loop system can track a given reference signal with desired performance during the whole operating ***,an important superiority of this presented method compared to traditional method is that the output chattering can be considerably reduced by the designed constant controller in the switching process when the flight condition *** example for autopilot design of a btt missile is given to illustrate the effectiveness of the proposed approach.

关键词： Output Tracking Control Smooth Switching LPV Systems LMI btt missile

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