{"title":"Decoupling Control Strategy for Cathode System of Proton Exchange Membrane Fuel Cell Engine","authors":"Huize Liu, Chuan Fang, Liangfei Xu, Zunyan Hu, Jianqiu Li, M. Ouyang, Yishu Zhang","doi":"10.1109/CVCI51460.2020.9338607","DOIUrl":null,"url":null,"abstract":"Precise control of cathode pressure and flow rate is critical to the performance and durability of proton exchange membrane fuel cell systems. This study presents a model of the cathode subsystem of fuel cell engines, and the degree of air flow rate-pressure coupling in different working areas of air compressor is analyzed. A decoupling control algorithm based on the active disturbance rejection control is then designed to realize precise regulation of air pressure and flow rate. Finally, experiments are conducted on a domestic 80kW fuel cell engine, and the effectiveness of the control algorithm is validated. The experimental results indicate that the designed control algorithm has strong flow rate-pressure decoupling ability with fast response and high control accuracy.","PeriodicalId":119721,"journal":{"name":"2020 4th CAA International Conference on Vehicular Control and Intelligence (CVCI)","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2020-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2020 4th CAA International Conference on Vehicular Control and Intelligence (CVCI)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CVCI51460.2020.9338607","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Precise control of cathode pressure and flow rate is critical to the performance and durability of proton exchange membrane fuel cell systems. This study presents a model of the cathode subsystem of fuel cell engines, and the degree of air flow rate-pressure coupling in different working areas of air compressor is analyzed. A decoupling control algorithm based on the active disturbance rejection control is then designed to realize precise regulation of air pressure and flow rate. Finally, experiments are conducted on a domestic 80kW fuel cell engine, and the effectiveness of the control algorithm is validated. The experimental results indicate that the designed control algorithm has strong flow rate-pressure decoupling ability with fast response and high control accuracy.
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