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首页> 外文期刊>Sustainable Energy, IEEE Transactions on >Fuzzy Fault-Tolerant Control of Wind-Diesel Hybrid Systems Subject to Sensor Faults
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Fuzzy Fault-Tolerant Control of Wind-Diesel Hybrid Systems Subject to Sensor Faults

机译:受传感器故障影响的风电混合动力系统的模糊容错控制

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摘要

A fuzzy fault-tolerant control (FFTC) framework is proposed for wind-diesel-hybrid systems (WDHS) with time-varying bounded sensor faults. The algorithm utilizes fuzzy systems based on “Takagi–Sugeno” (TS) fuzzy models to represent nonlinear systems. A fuzzy proportional-integral estimation observer (FPIEO) design is proposed to achieve fault estimation of TS models with abrupt sensor faults. Sufficient conditions are derived for robust stabilization in the sense of Lyapunov asymptotic stability and are formulated in the format of linear matrix inequalities (LMIs) to obtain controller gains and observer gains. The proposed algorithm maximizes the produced power, minimizes the voltage ripple, and is able to maintain the system's stability during the sensor faults. A physical model of the WDHS is presented and transformed into a TS model. Then, an FFTC algorithm is developed and applied to a WDHS to demonstrate the effectiveness of this method.
机译:针对具有时变有界传感器故障的风-柴油-混合动力系统(WDHS),提出了一种模糊容错控制(FFTC)框架。该算法利用基于“ Takagi-Sugeno”(TS)模糊模型的模糊系统来表示非线性系统。提出了一种模糊比例积分估计观测器(FPIEO)设计,可以实现传感器故障时TS模型的故障估计。从Lyapunov渐近稳定性的意义上得出了足以实现鲁棒稳定的条件,并以线性矩阵不等式(LMI)的形式制定了条件,以获得控制器增益和观察者增益。所提出的算法可最大化产生的功率,最小化电压纹波,并能够在传感器故障期间维持系统的稳定性。提出了WDHS的物理模型,并将其转换为TS模型。然后,开发了一种FFTC算法并将其应用于WDHS以证明该方法的有效性。

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