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基于MDD不动点迭代的控制分配方法

, PP. 945-949

Keywords: 飞机,控制分配,不动点,梯度法,伪逆法,改进

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Abstract:

针对航空航天领域中存在的控制分配问题,提出一种基于最大方向导数(MDD)不动点迭代的控制分配策略.定义MDD为当前迭代点沿所有单位向量方向中最大导数对应的单位向量,沿MDD方向,取前一迭代点和当前迭代点的迭代增量作最小二乘拟合,下一迭代点在该方向上的估计迭代增量作为当前迭代点的更新迭代增量,并对改进算法的收敛性进行证明.通过不同方法的仿真对比验证,表明了所提出算法的有效性和快速性.

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