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Robust sliding-mode control for the uncertain MIMO aircraft model F-18

机译：不确定的MIMO飞机F-18模型的鲁棒滑模控制

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摘要

Robust flight control laws based on variable structure control (VSC) theory and Lyapunov V-function method are designed for a simplified aircraft model F-18. A min-max control (MMC) and VSC laws are derived, for multi-input multi-output (MIMO) systems with plant uncertainties and input disturbance. Two types of robust feedback controllers MMC and VSC for uncertain MIMO systems are considered. For both cases the existence conditions of a stable sliding mode and the robust asymptotic stability in uncertain MIMO systems by MMC and VSC are investigated. For the design of an MMC and VSC, measurable states and sliding surface are chosen so that the zero dynamics of the system are stable. An application of tracking and positioning of VSC of longitudinal dynamics is presented. Finally, simulation results are presented to show the effectiveness of the design methods.
机译：为简化飞机模型F-18设计了基于可变结构控制（VSC）理论和Lyapunov V函数方法的鲁棒飞行控制定律。对于具有工厂不确定性和输入干扰的多输入多输出（MIMO）系统，推导了最小-最大控制（MMC）和VSC律。考虑了用于不确定MIMO系统的两种类型的鲁棒反馈控制器MMC和VSC。对于这两种情况，都研究了MMC和VSC在不确定的MIMO系统中存在稳定滑模和鲁棒渐近稳定性的条件。对于MMC和VSC的设计，选择可测量的状态和滑动表面，以使系统的零动态稳定。介绍了纵向动力学VSC的跟踪和定位应用。最后，仿真结果表明了设计方法的有效性。

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