PI Observer for Actuator Fault Estimation in a Distillation Process: A Descriptor Approach

被引：0

作者：

Flores-Montiel, Marlem ^{[1
,2
]}

Astorga-Zaragoza, Carlos Manuel ^{[1
]}

Osorio-Gordillo, Gloria Lilia ^{[1
]}

Vargas-Mendez, Rodolfo Amalio ^{[1
]}

Najera-Medina, Porfirio-Roberto ^{[2
]}

Gomez-Cardenas, Angelica ^{[2
]}

机构：

[1] Tecnol Nacl Mexico, CENIDET, Cuernavaca 62490, Mexico

[2] Tecnol Nacl Mexico Campus, Inst Tecnol Cuautla, Yecapixtla 62826, Mexico

来源：

IEEE ACCESS | 2024年 / 12卷

关键词：

Observers; Actuators; Mathematical models; Estimation; Distillation equipment; Differential equations; Nonlinear systems; Actuator fault estimation; distillation process; PI observer; descriptor LPV systems; PROPORTIONAL-INTEGRAL OBSERVER; SLIDING-MODE; SINGULAR SYSTEMS; TOLERANT CONTROL; DESIGN; RECONSTRUCTION; COLUMNS;

D O I：

10.1109/ACCESS.2024.3420873

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper presents a Proportional-Integral observer (PIO) that allows simultaneous states and unknown input estimation. The goal of this observer is to perform actuator fault estimation for a distillation process by using a simplified mathematical model. This model describes the intrinsic physical characteristics of the process through a descriptor Linear Parameter Varying (LPV) approach. The stability of the observer is analyzed through a Lyapunov stability theory. The proposed scheme estimates a fault in a peristaltic pump that feeds the distillation column. The main contribution is demonstrating the generalization of the descriptor LPV approach, expanding the potential applications of modern control strategies for fault estimation in nonlinear processes, especially in distillation plants.

引用

页码：91556 / 91567

页数：12

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