Nonlinear observer design for PEM fuel cell power systems via second order sliding mode technique

被引：18

作者：

Liu, Jianxing ^{[1
]}

Lin, Weiyang ^{[2
]}

Alsaadi, Fuad ^{[3
]}

Hayat, Tasawar ^{[3
]}

机构：

[1] Harbin Inst Technol, Res Inst Intelligent Control & Syst, Harbin 150001, Peoples R China

[2] Chinese Univ Hong Kong, Dept Mech & Automat Engn, Hong Kong, Hong Kong, Peoples R China

[3] King Abdulaziz Univ, Fac Engn, Dept Elect & Comp Engn, Jeddah 21589, Saudi Arabia

来源：

NEUROCOMPUTING | 2015年 / 168卷

基金：

中国博士后科学基金;

关键词：

PEM fuel cell; Sliding mode observer; Lyapunov analysis; PARAMETER-ESTIMATION; FLEXIBLE SPACECRAFT; ATTITUDE TRACKING; WATER-CONTENT; PERFORMANCE; STATE; TOOL;

D O I：

10.1016/j.neucom.2015.06.004

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

In this paper, a nonlinear observer is proposed for a PEMFC system, based on Second Order Sliding Mode (SOSM) techniques. The goal is to estimate the hydrogen partial pressure in the anode channel of the PEMFC, using the measurements of stack voltage, stack current, anode pressure and anode inlet pressure. The proposed observer employs a nonlinear error injection term, where the error is obtained from the difference between the system voltage output obtained from an experimental validated nonlinear model and estimated voltage output obtained from the designed observer. The robustness of this observer against parametric uncertainties and load variations is studied, and the finite time convergence property is proved via Lyapunov analysis. Simulation results illustrate the effectiveness and robustness of the proposed approach. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：145 / 151

页数：7

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