Switched Energy Management Strategy for Fuel Cell Hybrid Vehicle Based on Switch Network

Environmentally friendly and pollution-free fuel cell/lithium battery hybrid vehicles have received the attention of the community in recent years. It is imperative for fuel cell/lithium battery hybrid vehicles to use the energy management strategy (EMS) to distribute the output power of each power...

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Main Authors: Xu Chen, Guangdi Hu, Feng Guo, Mengqi Ye, Jingyuan Huang
Format: Article
Language:English
Published: MDPI AG 2020-01-01
Series:Energies
Subjects:
ems
Online Access:https://www.mdpi.com/1996-1073/13/1/247
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spelling doaj-1c1e2096e14d4a6ba8e2ba62f1ec9e9f2020-11-25T00:33:36ZengMDPI AGEnergies1996-10732020-01-0113124710.3390/en13010247en13010247Switched Energy Management Strategy for Fuel Cell Hybrid Vehicle Based on Switch NetworkXu Chen0Guangdi Hu1Feng Guo2Mengqi Ye3Jingyuan Huang4School of Mechanical Engineering, Southwest Jiaotong University, Chengdu 610031, ChinaSchool of Mechanical Engineering, Southwest Jiaotong University, Chengdu 610031, ChinaSchool of Mechanical Engineering, Southwest Jiaotong University, Chengdu 610031, ChinaSchool of Mechanical Engineering, Southwest Jiaotong University, Chengdu 610031, ChinaSchool of Mechanical Engineering, Southwest Jiaotong University, Chengdu 610031, ChinaEnvironmentally friendly and pollution-free fuel cell/lithium battery hybrid vehicles have received the attention of the community in recent years. It is imperative for fuel cell/lithium battery hybrid vehicles to use the energy management strategy (EMS) to distribute the output power of each power source to improve fuel economy and system life. In practical application, inconsistency of battery pack will lead to security hazard and capacity degradation. However, few EMS take the inconsistency of battery pack into account. Also, the current battery equalization strategy rarely discusses how to perform the equilibrium process while meeting the power demand of vehicle. To solve these issues, a novel equalization energy management strategy (EEMS) based on the switch network is proposed at first. Then, a switched energy management strategy (SEMS) that switches between the EEMS and the equivalent consumption minimization strategy (ECMS) is proposed and implemented in the fuel cell/lithium battery hybrid system to validate its effectiveness. The results show that the proposed SEMS can ameliorate the inconsistency of series lithium battery pack while meeting the power demand of vehicle’s normal operation. It can improve the safety and durability of the system and reduce the equalization time. Besides, it has good expansibility and no energy waste.https://www.mdpi.com/1996-1073/13/1/247hybrid systememsequalizationswitch networkecms
collection DOAJ
language English
format Article
sources DOAJ
author Xu Chen
Guangdi Hu
Feng Guo
Mengqi Ye
Jingyuan Huang
spellingShingle Xu Chen
Guangdi Hu
Feng Guo
Mengqi Ye
Jingyuan Huang
Switched Energy Management Strategy for Fuel Cell Hybrid Vehicle Based on Switch Network
Energies
hybrid system
ems
equalization
switch network
ecms
author_facet Xu Chen
Guangdi Hu
Feng Guo
Mengqi Ye
Jingyuan Huang
author_sort Xu Chen
title Switched Energy Management Strategy for Fuel Cell Hybrid Vehicle Based on Switch Network
title_short Switched Energy Management Strategy for Fuel Cell Hybrid Vehicle Based on Switch Network
title_full Switched Energy Management Strategy for Fuel Cell Hybrid Vehicle Based on Switch Network
title_fullStr Switched Energy Management Strategy for Fuel Cell Hybrid Vehicle Based on Switch Network
title_full_unstemmed Switched Energy Management Strategy for Fuel Cell Hybrid Vehicle Based on Switch Network
title_sort switched energy management strategy for fuel cell hybrid vehicle based on switch network
publisher MDPI AG
series Energies
issn 1996-1073
publishDate 2020-01-01
description Environmentally friendly and pollution-free fuel cell/lithium battery hybrid vehicles have received the attention of the community in recent years. It is imperative for fuel cell/lithium battery hybrid vehicles to use the energy management strategy (EMS) to distribute the output power of each power source to improve fuel economy and system life. In practical application, inconsistency of battery pack will lead to security hazard and capacity degradation. However, few EMS take the inconsistency of battery pack into account. Also, the current battery equalization strategy rarely discusses how to perform the equilibrium process while meeting the power demand of vehicle. To solve these issues, a novel equalization energy management strategy (EEMS) based on the switch network is proposed at first. Then, a switched energy management strategy (SEMS) that switches between the EEMS and the equivalent consumption minimization strategy (ECMS) is proposed and implemented in the fuel cell/lithium battery hybrid system to validate its effectiveness. The results show that the proposed SEMS can ameliorate the inconsistency of series lithium battery pack while meeting the power demand of vehicle’s normal operation. It can improve the safety and durability of the system and reduce the equalization time. Besides, it has good expansibility and no energy waste.
topic hybrid system
ems
equalization
switch network
ecms
url https://www.mdpi.com/1996-1073/13/1/247
work_keys_str_mv AT xuchen switchedenergymanagementstrategyforfuelcellhybridvehiclebasedonswitchnetwork
AT guangdihu switchedenergymanagementstrategyforfuelcellhybridvehiclebasedonswitchnetwork
AT fengguo switchedenergymanagementstrategyforfuelcellhybridvehiclebasedonswitchnetwork
AT mengqiye switchedenergymanagementstrategyforfuelcellhybridvehiclebasedonswitchnetwork
AT jingyuanhuang switchedenergymanagementstrategyforfuelcellhybridvehiclebasedonswitchnetwork
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