Fault-Tolerant Control of an Offshore Ocean Thermal Energy Conversion System with Output Constraints

被引：1

作者：

Xiang, Weijie ^{[1
,2
]}

He, Xiuyu ^{[1
,2
]}

Ma, Yonghao ^{[1
,2
]}

He, Wei ^{[1
,2
]}

Li, Guang ^{[3
]}

机构：

[1] Univ Sci & Technol Beijing, Inst Artificial Intelligence, Beijing 100083, Peoples R China

[2] Univ Sci & Technol Beijing, Sch Automat & Elect Engn, Beijing 100083, Peoples R China

[3] Queen Mary Univ London, Sch Engn & Mat Sci, Mile End Rd, London E1 4NS, England

来源：

IFAC PAPERSONLINE | 2022年 / 55卷 / 31期

基金：

北京市自然科学基金; 中国国家自然科学基金; 中国博士后科学基金;

关键词：

Fault-Tolerant Control; Vibration Control; Ocean Thermal Energy Conversion System; FULL-STATE;

D O I：

10.1016/j.ifacol.2022.10.425

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A fault-tolerant control method is investigated for an offshore ocean thermal energy conversion (OPEC) system with constraints in this work. In the system modelling, the distributed parameter system is used to build the OPEC system, which is expressed by a set of partial differential equations (PDEs) and ordinary differential equations (ODEs). Moreover, a boundary fault-tolerant control scheme is proposed to solve actuator failures. Meanwhile, according to the control scheme, system vibration suppressing and system stability can be realized. Two proposed coupled controllers are designed to solve actuator faults while considering the output nonlinearity of the OPEC system. In addition, the stability of the OTEC system based on barrier Lyapunov function is proven by simulation results, which verifies the effectiveness of the proposed coupled fault-tolerant-boundary control method. Finally, the proposed method can effectively improve the performance and safety of ocean thermal energy conversion in the OPEC system. Copyright (C) 2022 The Authors.

引用

页码：160 / 165

页数：6

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