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Robust Fault Estimation based on Interval Takagi-Sugeno Unknown Input Observer

机译:基于间隔takagi-sugeno未知输入观察者的强大故障估计

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This paper proposes a discrete-time robust fault estimation scheme based on an interval Takagi-Sugeno Unknown Input Observer (UIO). The designed observer allows the interval estimation of states and faults by considering that the uncertainty is modelled in a deterministic bounded context. Furthermore, in the observer design, the effect of uncertainty is minimized using theH∞criterion using a LMI formulation. The proposed estimation scheme allows not only to provide the nominal value for states and faults but also an uncertainty interval where they should lie. A permanent magnet DC motor is used as a case study to assess the proposed approach.
机译:本文提出了一种基于间隔Takagi-Sugeno未知输入观察者(UIO)的离散时间鲁棒故障估计方案。设计观察者允许通过考虑在确定性有限上下文中建模不确定性来估计状态和故障。此外,在观察者设计中,使用LMI配方使用HitCriterion最小化不确定性的效果。建议的估计方案不仅可以为各国和故障提供标称价值,而且还有一个不确定的间隔,他们应该撒谎。永磁直流电动机用作评估所提出的方法的案例研究。

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