摘要
针对弹头变质心这种新的控制方式,建立了变质心旋转弹头准弹体下的动力学模型,由于模型是复杂非线性的,通过按线性化族近似化理论对模型进行了合理简化,并用变结构控制理论对系统的姿态控制进行了设计,仿真结果表明,所设计的变质心弹头变结构姿态控制具有很好的快速性、稳定性,而且相对减小了抖震现象,证明这种方法是有效的。
t A moving centroid control of rotating missile is a new control mode. It differs from other control modes because it generates an angle of attack and an angle of sideslip directly from the mass motion. The nonlinear equations of motion for rotating missile with one moving centroid are derived, The nonlinear equations are linearized to produce a set of bilinear, time-varying equations according to linearization family theory. These equations are analyzed and used to develop theoretical design tools for missile attitude control according to variable structure theory. Digital simulation results show that the controller designed for moving centroid rotating missile has high speed, good stability and small vibration. Therefore, this design method is feasible.
出处
《航天控制》
CSCD
北大核心
2006年第3期17-20,共4页
Aerospace Control
基金
国家863研究计划资助(2003AA811051)
教育部优秀青年教师教学与科研奖励计划
航天科技创新基金资助
关键词
变质心
线性化族
旋转弹头
变结构控制
Moving centroid Linearization family Rotating missile Variable structure control
