Non-fragile guaranteed cost control of microbial fuel cells

被引：2
|
作者：
Ma, Fengying [1 ]
Ouyang, Tianyu [1 ]
Cheng, Yuyin [2 ]
Zhu, Baolong [1 ]
Ji, Peng [1 ]
机构：
[1] Qilu Univ Technol, Shandong Acad Sci, Sch Informat & Automat Engn, Jinan 250353, Peoples R China
[2] Yunnan Phosphate Haikou Co Ltd, Tech Serv Dept, Kunming, Yunnan, Peoples R China
来源：
ISA TRANSACTIONS | 2023年 / 143卷
关键词：
Microbial fuel cell (MFC); Takagi-Sugeno fuzzy model; Guaranteed cost control; Non-fragile control; WASTE-WATER TREATMENT; MULTIAGENT SYSTEMS; NONLINEAR-SYSTEM; TRACKING CONTROL; ROBUST; GENERATION; CONSENSUS; MODEL;
D O I：
10.1016/j.isatra.2023.08.032
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 microbial fuel cell (MFC), which is a new type of energy source, utilises electrogenic bacteria in sewage or soil to convert chemical energy into electrical energy. MFCs typically require an external controller to provide a stable output voltage to the external load. This study develops a non-fragile guaranteed cost (NFGC) controller to suppress the interference of the controller of an MFC and ensure that the quadratic cost function of the system satisfies certain performance indexes. First, for the convenience of controller design, a Takagi-Sugeno fuzzy model is established to approximate a single-chamber single-population MFC model. Subsequently, the linear matrix inequality method is used to design the NFGC controller. This control scheme can reduce the influence of controller disturbances on the system and ensure asymptotic stability of the closed-loop system under the specified upper bound of the provided cost function. The simulation results demonstrate that the developed control method has a shorter adjustment time and smaller steady-state error than traditional control methods such as sliding mode control (SMC), backstepping control, and fuzzy SMC (c) 2023 ISA. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：398 / 408
页数：11
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