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Robust state and fault estimation observer for discrete-time D-LPV systems with unmeasurable gain scheduling functions. Application to a binary distillation column

机译:具有无法测量的增益调度功能的离散时间D-LPV系统的鲁棒状态和故障估计观测器。应用于二元蒸馏塔

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This paper deals with the problem of robust jointly state and fault estimation (actuator and sensor) observer design for discrete-time Descriptor-Linear Parameter Varying (D-LPV) with unmeasurable gain scheduling. The proposed approach is based on the H∞ synthesis applied to the state estimation error. Sufficient conditions are given by a set of Linear Matrix Inequalities (LMIs), which ensures robustness to disturbancesoise and the error given by the unmeasurable gain scheduling functions. Thus, the main contribution is to develop a conceptually simple integrated procedure to estimate states, sensor or actuator faults. In order to illustrate the methodology, simulations based on a realistic model of binary distillation column are considered.
机译:本文针对具有不可测的增益调度的离散时间描述符-线性参数变化(D-LPV),解决了鲁棒的状态和故障估计(执行器和传感器)联合观测器设计问题。所提出的方法基于应用于状态估计误差的H∞综合。一组线性矩阵不等式(LMI)给出了充分的条件,从而确保了对干扰/噪声的鲁棒性以及无法测量的增益调度功能所给出的误差。因此,主要的贡献是开发一种概念上简单的集成程序来估计状态,传感器或执行器故障。为了说明该方法,考虑了基于二元蒸馏塔的实际模型的模拟。

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