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首页> 外文期刊>Fuzzy Systems, IEEE Transactions on >Integrated Fault Estimation and Accommodation Design for Discrete-Time Takagi–Sugeno Fuzzy Systems With Actuator Faults
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Integrated Fault Estimation and Accommodation Design for Discrete-Time Takagi–Sugeno Fuzzy Systems With Actuator Faults

机译：带有执行器故障的离散Takagi–Sugeno模糊系统的集成故障估计和适应性设计

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摘要

This paper addresses the problem of integrated robust fault estimation (FE) and accommodation for discrete-time Takagi–Sugeno (T–S) fuzzy systems. First, a multiconstrained reduced-order FE observer (RFEO) is proposed to achieve FE for discrete-time T–S fuzzy models with actuator faults. Based on the RFEO, a new fault estimator is constructed. Then, using the information of online FE, a new approach for fault accommodation based on fuzzy-dynamic output feedback is designed to compensate for the effect of faults by stabilizing the closed-loop systems. Moreover, the RFEO and the dynamic output feedback fault-tolerant controller are designed separately, such that their design parameters can be calculated readily. Simulation results are presented to illustrate our contributions.
机译：本文解决了离散Takagi-Sugeno（TS）模糊系统的集成鲁棒故障估计（FE）和适应性问题。首先，提出了一种多约束降阶有限元观测器（RFEO）来实现具有执行器故障的离散时间TS模糊模型的有限元。基于RFEO，构造了一个新的故障估计器。然后，利用在线有限元的信息，设计了一种基于模糊动态输出反馈的故障适应新方法，通过稳定闭环系统来补偿故障的影响。此外，RFEO和动态输出反馈容错控制器是分开设计的，因此可以轻松计算它们的设计参数。仿真结果表明了我们的贡献。

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