Modeling and Simulation of Stochastic Optimal Control for Gliding Extended Range Rocket Projectile Attitude

Bian Wei-wei; LI Yan; XIN Zhen-fang; CHANG Si-jiang

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Modeling and Simulation of Stochastic Optimal Control for Gliding Extended Range Rocket Projectile Attitude

Bian Wei-wei 1,LI Yan 2 * #,XIN Zhen-fang 1,CHANG Si-jiang 2

1.Beijing Machine and Equipment Institute, Beijing 100854

2.School of Energy and Power Engineering, Nanjing University of Science and Technology, Nanjing 210094

*Correspondence author

#Submitted by

Subject:

Funding: Specialized Research Fund for the Doctoral Program of Higher Education（No.No.20113219120030）

Opened online: 7 December 2015

Accepted by: none

Citation: Bian Wei-wei,LI Yan,XIN Zhen-fang.Modeling and Simulation of Stochastic Optimal Control for Gliding Extended Range Rocket Projectile Attitude[OL]. [ 7 December 2015] http://en.paper.edu.cn/en_releasepaper/content/4667119

An optimal control method for nonlinear stochastic systems is proposed to overcome the influence of various disturbance factors and to improve the control effect. Considering the general control principle of rocket projectile flight process, a differential form of attitude dynamics model is established. Taking the attack angle and the yaw angle as observation variables and rudder angles as control variables, the state equations, the quadratic cost function and the control law are presented. The detailed expression of the adjoint function is put forward. The optimal filter is designed based on the Riccati equation. Control parameter is designed and simulation analysis is carried out by taking gliding starting control point as the feature point. The simulation results show that the attitude controller system responds quickly and has good control quality.

Keywords:rocket projectile; gliding extended range; stochastic optimal control; attitude controller

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