基于ADRC的PEMFC系统阴极相对湿度和氧气过量比控制  

CONTROL OF CATHODE RELATIVE HUMIDITY AND OXYGEN EXCESS RATIO IN PEMFC SYSTEM BASED ON ADRC

作　　者：肖仰淦 吴肖龙 李曦[2] Xiao Yanggan;Wu Xiaolong;Li Xi(School of Information Engineering,Nanchang University,Nanchang 330031,China;School of Artificial Intelligence and Automation,Huazhong University of Science and Technology,Wuhan 430074,China)

机构地区：[1]南昌大学信息工程学院,南昌330031 [2]华中科技大学人工智能与自动化学院,武汉430074

出　　处：《太阳能学报》2023年第12期499-509,共11页Acta Energiae Solaris Sinica

基　　金：国家自然科学基金(62203204,U2066202);江西省自然科学基金(20212BAB212013);国家重点研发计划(2022YFB4002200)。

摘　　要：为解决传统的PID控制方法在处理质子交换膜燃料电池(PEMFC)系统因阴极相对湿度和氧气过量比跟踪过程中存在响应速度慢、抖振显著等不足,进而引发的性能和效率问题,基于采用膜水合、气体流量、能斯特电压等运行机制构建的PEMFC系统模型,提出一种具有线性反馈特性及超调抑制功能的PEMFC系统自抗扰控制(ADRC)方法,并给出控制参数配置。结果表明,采用ADRC控制方法可实现PEMFC系统阴极相对湿度和氧气过量比的低偏差及快速跟踪控制,有助于提升系统在较大负载变换扰动下的快速跟踪和超调抑制的控制性能,具有较好的应用前景。To address the shortcomings of traditional PID control methods in handling the tracking process of cathode relative humidity and oxygen excess ratio in Proton Exchange Membrane Fuel Cell(PEMFC)systems,such as slow response and significant oscillations,leading to performance and efficiency issues,a PEMFC system model based on membrane hydration,gas flow rate,Nernst voltage,and other operational mechanisms is constructed.In this context,a PEMFC system Active Disturbance Rejection Control(ADRC)method is proposed,which includes linear feedback characteristics and has overshoot suppression capability.Control parameter configurations are also provided.The results demonstrate that the implementation of the ADRC control method achieves low deviation and fast tracking control of the cathode relative humidity and oxygen excess ratio in the PEMFC system.This method is helpful to improve the control performance of fast tracking and overshoot suppression under large load change disturbance,and has a good application prospect.

关 键 词：质子交换膜燃料电池 干扰抑制 系统分析 阴极相对湿度 氧气过量比 

分 类 号：TM9111.4[电气工程—电力电子与电力传动]