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首页> 外文期刊>Aerospace science and technology >Reset observer design for time-varying dynamics: Application to WIG crafts
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Reset observer design for time-varying dynamics: Application to WIG crafts

机译：重置观察者设计以实现时变动力学：应用于WIG工艺

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摘要

In this article, a novel reset state estimator for time-varying dynamics is proposed. A first order reset law is used in the structure of observer to improve the performance of the state estimation response which decreases the settling time and overshoot of estimation. The sufficient conditions for stability of this observer based on systems with impulsive effect is addressed which is the main contribution of this study. This observer is applied to a WIG (Wing-In-Ground) craft in the presence of wave and gust which can be modeled by a linear time-varying dynamics. Finally, the five states for longitudinal dynamics of the WIG craft based on a full-order reset observer with time-varying parameters are estimated. The sufficient stability conditions of WIG state observer are stated and simulation results show the superior performance of the reset law. (C) 2018 Elsevier Masson SAS. All rights reserved.
机译：在本文中，提出了一种新颖的时变动力学重置状态估计器。一阶重置定律用于观察者的结构中，以改善状态估计响应的性能，从而减少建立时间和估计过冲。提出了基于具有脉冲效应的系统的观测器稳定性的充分条件，这是本研究的主要贡献。该观察者在存在海浪和阵风的情况下被应用于WIG（地上翼）飞行器，可以通过线性时变动力学建模。最后，基于具有时变参数的全序重置观测器，估算了WIG飞行器纵向动力学的五个状态。给出了WIG状态观测器的充分稳定性条件，仿真结果表明了复位定律的优越性能。 （C）2018 Elsevier Masson SAS。版权所有。

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