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首页> 外文期刊>The Open Electrical & Electronic Engineering Journal >Hybrid Active-Passive Robust Fault-Tolerant Control of Event-Triggered Nonlinear NCS
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Hybrid Active-Passive Robust Fault-Tolerant Control of Event-Triggered Nonlinear NCS

机译：混合主动无源鲁棒容错控制事件触发的非线性NCS

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In this paper, the authors aimed to analyze uncertain nonlinear networked control systems (NCS) under discrete event-triggered communication scheme (DETCS), in which an integrated design methodology between robust fault detection observer and active fault-tolerant controller is proposed. Moreover, the problem of hybrid active–passive robust fault-tolerant control, which integrated passive fault-tolerant control, fault detection, and controller reconstruction, is researched. In consideration of the impact of uncertainties and network-induced delay on system performance, a new class of uncertain nonlinear NCS fault model is established based on T-S fuzzy model. By employing Lyapunov stability theory, H∞ control theory, and linear matrix inequality method, the fault detection observer and hybrid fault-tolerant controller are both appropriately designed. In addition, the sufficient condition that guaranteed the asymptotically robust stability of nonlinear NCS against any actuator failures is deduced. Finally, a numerical simulation is provided to show the effectiveness of the proposed methods.
机译：在本文中，作者旨在在离散事件触发的通信方案（DETC）下分析不确定的非线性网络控制系统（NCS），其中提出了强大的故障检测观察者和有源容错控制器之间的集成设计方法。此外，研究了混合主动无源鲁棒容错控制的问题，其中集成了无源容错控制，故障检测和控制器重建。考虑到不确定性和网络诱导的系统性能延迟的影响，基于T-S模糊模型建立了一类新的不确定非线性NCS故障模型。通过采用Lyapunov稳定性理论，H∞控制理论和线性矩阵不等式方法，故障检测观察者和混合容错控制器都适当地设计。另外，推导出保证非线性NCS对任何致动器故障的渐近稳健稳定性的充分条件。最后，提供了一种数值模拟以显示所提出的方法的有效性。

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