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首页> 外文期刊>Mathematical Problems in Engineering: Theory, Methods and Applications >Integrated Fault Detection and Fault Tolerant Control for Switched Systems with Asynchronous Switching
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Integrated Fault Detection and Fault Tolerant Control for Switched Systems with Asynchronous Switching

机译：具有异步开关功能的开关系统的集成故障检测和容错控制

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摘要

The problem of integrated fault detection and fault tolerant control for switched systems with asynchronous switching is focused on in this paper. Based on the switched model, the inherent asynchronous switching is taken into consideration. The asynchronous switching means that the switching of filters/controllers will always lag behind the switching of modes, which will degrade the performance of the closed-loop system. The Lyapunov functional method and mode-dependent average dwell time method are combined for the analysis of the finite-time stability of the switched system. The properties of each subsystem are taken into consideration, which are less conservative. To achieve optimal performance, the filters and controllers are designed simultaneously. The parameters of filters and controllers are given in the form of linear matrix inequalities. In the end, the numerical example is given to illustrate the effectiveness of the proposed method.
机译：该文重点研究了异步开关系统故障检测与容错控制的集成问题。基于交换模型，考虑了固有的异步交换。异步开关意味着滤波器/控制器的开关将始终滞后于模式的开关，这将降低闭环系统的性能。将Lyapunov函数法和模态相关平均驻留时间法相结合，分析了开关系统的有限时间稳定性。每个子系统的属性都被考虑在内，这些属性不太保守。为了实现最佳性能，滤波器和控制器同时设计。滤波器和控制器的参数以线性矩阵不等式的形式给出。最后，通过数值算例验证了所提方法的有效性。

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