陈艳芳,刘晓洁,陆海英

针对传统线性控制方法在导弹过载控制中存在的动态响应上升与下降快速性不一致的问题，提出一种基于非线性参数补偿的控制律设计方法。首先对气动参数非线性引起的气动力系数计算失配机理进行分析，指出线性控制方法在处理非线性问题时存在的固有不适应性。为此，引入动力系数导数项参与控制调参，以实时修正控制律。通过理论推导给出非线性控制参数设计方法，并开展动态仿真验证。仿真结果表明：通过引入非线性因子进行控制参数补偿，过载响应的上升和下降不一致问题较线性控制方法明显改善，显著提升了导弹在飞行包络内的控制性能与适应性。

非线性参数; 动力系数；补偿规律；极点配置

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