考虑PEMFC动态降载特性的FCV制动能量回收协调控制  

Coordinated control of FCV braking energy recovery considering dynamic load shedding characteristics of PEMFC

作　　者：鲁大钢 衣丰艳[1] 胡东海[2,3] 程善 LU Dagang;YI Fengyan;HU Donghai;CHENG Shan(School of Automotive Engineering,Shandong Jiaotong University,Jinan 250357,China;School of Automotive and Traffic Engineering,Jiangsu University,Zhenjiang 212013,China;State Key Laboratory of Automotive Safety and Energy(Tsinghua University),Beijing 100084,China)

机构地区：[1]山东交通学院汽车工程学院,济南250357 [2]江苏大学汽车与交通工程学院,镇江212013 [3]汽车安全与节能国家重点实验室(清华大学),北京100084

出　　处：《汽车安全与节能学报》2022年第2期350-357,共8页Journal of Automotive Safety and Energy

基　　金：汽车安全与节能国家重点实验室开放基金(清华大学)(KF2023)。

摘　　要：为使燃料电池汽车(FCV)更大程度回收制动能量,基于质子交换膜燃料电池(PEMFC)动态降载特性,研究了一种FCV制动能量回收控制策略。建立燃料电池汽车动态特性模型,提出考虑PEMFC动态降载特性时基于协调的制动能量回收控制策略,用自行搭建燃料电池汽车制动能量回收硬件在环(HIL)仿真平台进行仿真。结果表明:与基于规则的控制策略相比,本文提出的基于协调的控制策略下,动力电池荷电状态(SOC)在城市工况下提高1.3%,在高速工况下,提高2.0%;对应的最大冲击度分别降低3.2%、2.1%。因而,燃料电池汽车回收更多的制动能量的同时,制动舒适性有一定程度的提高。A control strategy of braking energy recovery was investigated for fuel cell vehicle(FCV)with proton exchange membrane fuel cells(PEMFC)based on the dynamic load shedding characteristics of PEMFC to make the FCV recover the braking energy to a greater extent.The dynamic characteristic model of FCV was established,and a coordination-based braking energy recovery control strategy was proposed considering the dynamic load shedding characteristics of PEMFC.The results show that compared with the rule-based control strategy,the SOC of the power battery can be improved by 1.3%under city conditions and 2.0%under high speed conditions with using coordination control strategy.The corresponding maximum impact is reduced by 3.2%and 2.1%,respectively.Therefore,fuel cell vehicles recycle more braking energy while improving braking comfort to a certain extent.

关 键 词：燃料电池汽车(FCV) 质子交换膜燃料电池(PEMFC) 制动能量回收 协调控制 

分 类 号：U467.14[机械工程—车辆工程]