基于反演设计的变质心飞行器滑模变结构控制器设计  

Attitude Control Law Design for Moving Mass Control Vehicle Based on Backstepping Design

作　　者：陈升泽[1] 张旋[1] 解春雷[1] 郑小鹏[1] Chen Sheng-ze;Zhang Xuan;Xie Chun-lei;Zheng Xiao-peng(R&D Center,China Academy of Launch Vehicle Technology,Beijing,100076)

机构地区：[1]中国运载火箭技术研究院研究发展中心,北京100076

出　　处：《导弹与航天运载技术》2018年第4期65-69,共5页Missiles and Space Vehicles

摘　　要：采用反演设计方法,设计了一种针对变质心飞行器的滑模变结构姿态控制器。利用Newton-Euler矢量力学对飞行器建立了俯仰、偏航通道的非线性动力学模型。采取反演设计方法,引入虚拟控制量,设计了一种新型滑模变结构指数趋近,解决了开关抖振问题。通过仿真验证表明,该方法可提高控制精度和飞行器抗干扰能力。Based on backstepping design method,the sliding-mode controller for moving-mass reentry vehicle is proposed.Firstly,non-linear dynamic model of pitch-yaw channel is established,using Newton-Euler vector mechanics.Secondly,by using virtual control and backstepping theory,a new type sliding mode controller with approach law is designed.In this way,the chattering problem which does harm to vehicle can be avoided.Finally,simulation results demonstrate the validity feasibility.

关 键 词：变质心 滑模变结构 反演设计 

分 类 号：TJ765.2[兵器科学与技术—武器系统与运用工程]