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Adaptive nonlinear guidance law considering control loop dynamics

机译:考虑控制回路动态的自适应非线性指导法

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摘要

A new adaptive nonlinear guidance law is proposed here. The fourth order state equation for integrated guidance and control loop is formulated taking into consideration the target uncertainties and control loop dynamics. The state equation is further changed into the normal form by nonlinear coordinate transformation. Using the normal form of state equation, an adaptive nonlinear guidance law is proposed to compensate for the uncertainties in both target acceleration and control loop dynamics. The proposed law adopts the sliding mode control approach with adaptation for unknown bound of uncertainties. The present approach can effectively solve the existing guidance problem against target maneuver and the limited performance of control loop. We have provided the stability analyses and performed simulations comparing favorably our approach to the state of the art.
机译:这里提出了一种新的自适应非线性指导法。考虑到目标不确定性和控制循环动态,制定了集成引导和控制回路的第四阶状态方程。通过非线性坐标变换进一步改变状态等式。使用正常形式的状态方程,提出了一种自适应非线性引导律,以补偿目标加速度和控制回路动态的不确定性。拟议的法律采用滑动模式控制方法,适应不确定的未知范围。本方法可以有效地解决了针对目标机动的现有引导问题以及控制回路的有限性能。我们提供了稳定性分析,并进行了对我们对现有技术的方法进行了比较。

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