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Research on ECMS Based on Segmented Path Braking Energy Recovery in a Fuel Cell Vehicle
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作者 Wen Sun Meijing Li +2 位作者 Guoxiang Li Ke Sun Shuzhan Bai 《Energy Engineering》 EI 2024年第1期95-110,共16页
Proton exchange membrane fuel cells are widely regarded as having the potential to replace internal combustion engines in vehicles.Since fuel cells cannot recover energy and have a slow dynamic response,they need to b... Proton exchange membrane fuel cells are widely regarded as having the potential to replace internal combustion engines in vehicles.Since fuel cells cannot recover energy and have a slow dynamic response,they need to be used with different power sources.Developing efficient energy management strategies to achieve excellent fuel economy is the goal of research.This paper proposes an adaptive equivalent fuel minimum consumption strategy(AECMS)to solve the problem of the poor economy of the whole vehicle caused by the wrong selection of equivalent factors(EF)in traditional ECMS.In this method,the kinematics interval is used to update the equivalent factor by considering the penalty term of energy recovery on SOC changes.Finally,the optimized equivalent factor is substituted into the optimization objective function to achieve efficient energy regulation.Simulation results under the New European Driving Cycle show that compared with the traditional ECMS based on fixed SOC benchmarks,the proposed method improves fuel economy by 1.7%while ensuring vehicle power and increases SOC by 30%. 展开更多
关键词 fuel cell PEMFC electric vehicle equivalent consumption minimization strategy
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A Novel Method for the Application of the ECMS(Equivalent Consumption Minimization Strategy)to Reduce Hydrogen Consumption in Fuel Cell Hybrid Electric Vehicles 被引量:1
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作者 Wen Sun Hao Liu +3 位作者 Ming Han Ke Sun Shuzhan Bai Guoxiang Li 《Fluid Dynamics & Materials Processing》 EI 2022年第4期867-882,共16页
Fuel cell hybrid electric vehicles are currently being considered as ideal means to solve the energy crisis and global warming in today’s society.In this context,this paper proposes a method to solve the problem rela... Fuel cell hybrid electric vehicles are currently being considered as ideal means to solve the energy crisis and global warming in today’s society.In this context,this paper proposes a method to solve the problem related to the dependence of the so-called optimal equivalent factor(determined in the framework of the equivalent consumption minimum strategy-ECMS)on the working conditions.The simulation results show that under typical conditions(some representative cities being considered),the proposed strategy can maintain the power balance;for different initial battery’s states of charge(SOC),after the SOC stabilizes,the fuel consumption is 5.25 L/100 km. 展开更多
关键词 Energy management fuel cell hybrid electric vehicle dynamic programming adaptive equivalent consumption minimum strategy
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Power Conversion System Strategies for Fuel Cell Vehicles 被引量:1
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作者 Kaushik Rajashekara 《电工电能新技术》 CSCD 北大核心 2005年第1期8-13,44,共7页
Power electronics is an enabling technology for the development of environmental friendly fuel cell vehicles, and to implement the various vehicle electrical architectures to obtain the best performance. In this paper... Power electronics is an enabling technology for the development of environmental friendly fuel cell vehicles, and to implement the various vehicle electrical architectures to obtain the best performance. In this paper, power conversion strategies for propulsion and auxiliary power unit applications are described. The power electronics strategies for the successful development of the fuel cell vehicles are presented. The fuel cell systems for propulsion and for auxiliary power unit applications are also discussed. 展开更多
关键词 电动汽车 PEM APU 燃料电池
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Interpretation of GB/T 26779-2021,Hydrogen fuel cell electric vehicles refueling receptacle 被引量:1
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作者 Wu Hao Sui Hang +3 位作者 Wang Xiaobing Lan Hao Yang Zirong Hao Dong 《China Standardization》 2022年第2期60-64,共5页
With the development of fuel cell electric vehicle industry in China,the 70-MPa hydrogen storage cylinders have been widely applied on vehicles in recent years.The revised standard,GB/T 26779-2021,Hydrogen fuel cell e... With the development of fuel cell electric vehicle industry in China,the 70-MPa hydrogen storage cylinders have been widely applied on vehicles in recent years.The revised standard,GB/T 26779-2021,Hydrogen fuel cell electric vehicle refueling receptacle,was released on March 9,2021 with added stipulations for the 70-MPa hydrogen refuelling receptacle.The main technical contents of GB/T 26779-2021 and its similarities and differences with GB/T 26779-2011 are discussed in this paper. 展开更多
关键词 fuel cell electric vehicles refuelLing receptacle national standard
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Theoretical On-Board Hydrogen Redox Electric Power Generator for Infinite Cruising Range Fuel Cell Vehicles 被引量:2
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作者 Katsutoshi Ono 《Journal of Energy and Power Engineering》 2017年第10期646-654,共9页
The development of hydrogen redox electric power generators for infinite cruising range electric vehicles represents a true technological breakthrough. Such systems consist of a polymer electrolyte membrane hydrogen e... The development of hydrogen redox electric power generators for infinite cruising range electric vehicles represents a true technological breakthrough. Such systems consist of a polymer electrolyte membrane hydrogen electrolytic cell equipped with an electrostatic-induction potential-superposed water electrolytic cell that provides a stoichiometric H2-O2 fuel mixture during operation of the vehicle. This generator functions with zero power input, zero matter input and zero emission due to the so-called "zero power input" electrostatic-to-chemical energy conversion occurring in the electrolytic cell. Here, theoretical simulations were performed to verify the target performance of such generators, assuming a pair of FC (fuel cell) and electrolytic cell stacks, both of which are commercially available. 展开更多
关键词 fuel cell vehicle power generator electrolytic cell FC infinite cruising range.
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Design and Control of a DC Boost Converter for Fuel-Cell-Powered Marine Vehicles
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作者 Georgios Tsakyridis Nikolaos I.Xiros +1 位作者 Marco Scharringhausen Lars Witte 《Journal of Marine Science and Application》 CSCD 2020年第2期246-265,共20页
Economic factors along with legislation and policies to counter harmful pollution apply specifically to maritime drive research for improved power generation and energy storage.Proton exchange membrane fuel cells are ... Economic factors along with legislation and policies to counter harmful pollution apply specifically to maritime drive research for improved power generation and energy storage.Proton exchange membrane fuel cells are considered among the most promising options for marine applications.Switching converters are the most common interfaces between fuel cells and all types of load in order to provide a stable regulated voltage.In this paper,a method using artificial neural networks(ANNs)is developed to control the dynamics and response of a fuel cell connected with a DC boost converter.Its capability to adapt to different loading conditions is established.Furthermore,a cycle-mean,black-box model for the switching device is also proposed.The model is centred about an ANN,too,and can achieve considerably faster simulation times making it much more suitable for power management applications. 展开更多
关键词 fuel cell Switching converter Artificial neural network Control Marine vehicle Engineering
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Theoretical Propulsion System for Fuel Cell Vehicles with Infinite Cruising Range
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作者 Katsutoshi Ono 《Journal of Traffic and Transportation Engineering》 2018年第4期164-175,共12页
The realization of a clean automobile society would require electrically-powered propulsion systems in vehicles.In recent years,electric vehicles have attracted considerable attention from the perspective of utilizing... The realization of a clean automobile society would require electrically-powered propulsion systems in vehicles.In recent years,electric vehicles have attracted considerable attention from the perspective of utilizing electricity generated from natural sources,such as solar and wind power.The propulsion method considered in the present investigation differs from the conventional off-board energy scheme in a manner such that pure stoichiometric H2/O2 fuels for fuel cells are generated on-board during vehicle operation.In this method,energy conversion occurs by means of ESI-PSE(electrostatic-induction potential-superposed electrolysis).If a quasi-static process is assumed,the theoretical power requirement to produce pure stoichiometric H2/O2 fuels is only 17%of the total energy required owing to a new method for supplying power to the EC(electrolytic cell).If an ESI-PSE EC is combined with a fuel cell(FC)to form an energy cycle,a HREG(hydrogen redox electric power generator)that uses solid PEMs(polymer electrolyte membranes)for the EC as well as the FC can be realized.According to calculations based on data from the operational conditions of commercially available ECs and FCs,more than 70%of the power delivered from the FC can be extracted for driving a motor constantly while a car is in motion.Because of energy self-sustainability on the HREG side,the power control system should not have any power loss.This propulsion system will realize tough vehicles that can continue running at a top speed at long unlimited cruising range. 展开更多
关键词 fuel cell vehicle INFINITE cruising RANGE water ELECTROLYSIS ELECTROSTATIC energy ELECTROSTATIC INDUCTION
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A New Topology of a Variable Output-Voltage DC-DC Converter for Fuel Cell Vehicles
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作者 Ahmed Boucherit Abdesslem Djerdir Maurizio Cirrincione 《Journal of Energy and Power Engineering》 2012年第11期1848-1855,共8页
The aim of this paper is to present a new topology of a DC-DC power converter for conditioning the current and voltages behaviors of embarked energy sources used in electrical vehicles. The fuel cells in conjunction w... The aim of this paper is to present a new topology of a DC-DC power converter for conditioning the current and voltages behaviors of embarked energy sources used in electrical vehicles. The fuel cells in conjunction with ultra-capacitors have been chosen as the power supply. The originality of the proposed converter is to use a variable voltage of the DC bus of the vehicle. The goal is to allow a better energy management of the embedded sources onboard the vehicle by improving its energy efficiency. After presenting and explaining the topology of the converter, some simulation and experiments results are shown to highlight its different operation modes. 展开更多
关键词 fuel cell vehicles DC-DC converters energy management of embedded devices efficiency of drive trains of electrical vehicles.
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Atomic-scale engineering of advanced catalytic and energy materials via atomic layer deposition for eco-friendly vehicles 被引量:2
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作者 Xiao Liu Yu Su Rong Chen 《International Journal of Extreme Manufacturing》 SCIE EI CAS CSCD 2023年第2期90-117,共28页
Zero-emission eco-friendly vehicles with partly or fully electric powertrains have exhibited rapidly increased demand for reducing the emissions of air pollutants and improving the energy efficiency. Advanced catalyti... Zero-emission eco-friendly vehicles with partly or fully electric powertrains have exhibited rapidly increased demand for reducing the emissions of air pollutants and improving the energy efficiency. Advanced catalytic and energy materials are essential as the significant portions in the key technologies of eco-friendly vehicles, such as the exhaust emission control system,power lithium ion battery and hydrogen fuel cell. Precise synthesis and surface modification of the functional materials and electrodes are required to satisfy the efficient surface and interface catalysis, as well as rapid electron/ion transport. Atomic layer deposition(ALD), an atomic and close-to-atomic scale manufacturing method, shows unique characteristics of precise thickness control, uniformity and conformality for film deposition, which has emerged as an important technique to design and engineer advanced catalytic and energy materials. This review has summarized recent process of ALD on the controllable preparation and modification of metal and oxide catalysts, as well as lithium ion battery and fuel cell electrodes. The enhanced catalytic and electrochemical performances are discussed with the unique nanostructures prepared by ALD. Recent works on ALD reactors for mass production are highlighted. The challenges involved in the research and development of ALD on the future practical applications are presented, including precursor and deposition process investigation, practical device performance evaluation, large-scale and efficient production, etc. 展开更多
关键词 atomic layer deposition eco-friendly vehicle exhaust gas catalysis lithium ion battery hydrogen fuel cell
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Analysis on carbon emission reduction intensity of fuel cell vehicles from a life-cycle perspective
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作者 Ziyuan TENG Chao TAN +1 位作者 Peiyuan LIU Minfang HAN 《Frontiers in Energy》 SCIE EI CSCD 2024年第1期16-27,共12页
The hydrogen fuel cell vehicle is rapidly developing in China for carbon reduction and neutrality.This paper evaluated the life-cycle cost and carbon emission of hydrogen energy via lots of field surveys,including hyd... The hydrogen fuel cell vehicle is rapidly developing in China for carbon reduction and neutrality.This paper evaluated the life-cycle cost and carbon emission of hydrogen energy via lots of field surveys,including hydrogen production and packing in chlor-alkali plants,transport by tube trailers,storage and refueling in hydrogen refueling stations(HRSs),and application for use in two different cities.It also conducted a comparative study for battery electric vehicles(BEVs)and internal combustion engine vehicles(ICEVs).The result indicates that hydrogen fuel cell vehicle(FCV)has the best environmental performance but the highest energy cost.However,a sufficient hydrogen supply can significantly reduce the carbon intensity and FCV energy cost of the current system.The carbon emission for FCV application has the potential to decrease by 73.1%in City A and 43.8%in City B.It only takes 11.0%–20.1%of the BEV emission and 8.2%–9.8%of the ICEV emission.The cost of FCV driving can be reduced by 39.1%in City A.Further improvement can be obtained with an economical and“greener”hydrogen production pathway. 展开更多
关键词 hydrogen energy life-cycle assessment(LCA) fuel cell vehicle carbon emission energy cost
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Data-driven modeling and fault diagnosis for fuel cell vehicles using deep learning
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作者 Yangeng Chen Jingjing Zhang +1 位作者 Shuang Zhai Zhe Hu 《Energy and AI》 EI 2024年第2期111-124,共14页
The reliability and safety of fuel cell vehicle are crucial for the daily operation. Insulation resistance serves as a crucial index of vehicle reliability, especially when fuel cells operate at high voltages. Low ins... The reliability and safety of fuel cell vehicle are crucial for the daily operation. Insulation resistance serves as a crucial index of vehicle reliability, especially when fuel cells operate at high voltages. Low insulation resistance can lead to vehicle malfunctions, exposing the operator to the risk of electric shock. In this study, long-term insulation resistance data from thirteen vehicles equipped with three different types of fuel cell systems are analyzed to diagnose possible low insulation resistance issues. For this purpose, a robust locally weighted scatterplot smoothing method is utilized to filter the original data. In this research, an insulation variation model is developed using a data-driven long short-term memory neural network to identify insulation resistance value anomalies caused by deionizer failure. The results indicate that the coefficient of determination of the failure model is 99.78 %. Moreover, current model efficiently identifies insulation faults resulting from reliability issues, such as conductivity issues of cooling pipes and erosion of vehicle wiring harnesses. 展开更多
关键词 fuel cell vehicles Insulation faults RLOWESS LSTM neural network
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Interpretation of GB/T 24549-2009 Fuel Cell Electric Vehicle—Safety Requirements 被引量:1
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作者 文宝忠 何云堂 王红 《China Standardization》 2012年第2期74-78,共5页
The national standard GB/T 24549—2009 Fuel Cell Electric Vehicle—Safety Requirements specifies the general safety requirements for whole vehicle and key parts of Fuel Cell Electric Vehicle (FCEV).It is of great sign... The national standard GB/T 24549—2009 Fuel Cell Electric Vehicle—Safety Requirements specifies the general safety requirements for whole vehicle and key parts of Fuel Cell Electric Vehicle (FCEV).It is of great significance for the development of FCEV in china.This paper discusses the main contents and the background of its development. 展开更多
关键词 fuel cell electric vehicles (FCEV) STANDARDS
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A Resonant Dual Full-Bridge Class-E Bidirectional DC-DC Converter for Fuel Cell Electric Vehicle
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作者 Kuppan Senthil Dr. Daniel Mary 《Circuits and Systems》 2016年第10期3392-3402,共11页
The interests on energy storage schemes, bidirectional dc-dc converter and uninterruptible power supplies have been increasing nowadays as there wide researches are undertaken in the area of electric vehicles. A modif... The interests on energy storage schemes, bidirectional dc-dc converter and uninterruptible power supplies have been increasing nowadays as there wide researches are undertaken in the area of electric vehicles. A modified bi directional class-E resonant dc-dc converter is introduced here in this proposed topology for the application in electric vehicles. The advantages of soft switching techniques have been utilized for making analysis simple. The main advantage here in this system is that it can operate in a wide range of frequencies with minimal switching loss in transistors. This paper elaborates a detailed analysis on converter design and the same has been simulated and verified in Matlab/Simulink. 展开更多
关键词 Bidirectional DC-DC fuel cell Electric vehicle Resonant Converter
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Machine learning modeling for fuel cell-battery hybrid power system dynamics in a Toyota Mirai 2 vehicle under various drive cycles
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作者 Adithya Legala Matthew Kubesh +2 位作者 Venkata Rajesh Chundru Graham Conway Xianguo Li 《Energy and AI》 EI 2024年第3期406-418,共13页
Electrification is considered essential for the decarbonization of mobility sector, and understanding and modeling the complex behavior of modern fuel cell-battery electric-electric hybrid power systems is challenging... Electrification is considered essential for the decarbonization of mobility sector, and understanding and modeling the complex behavior of modern fuel cell-battery electric-electric hybrid power systems is challenging, especially for product development and diagnostics requiring quick turnaround and fast computation. In this study, a novel modeling approach is developed, utilizing supervised machine learning algorithms, to replicate the dynamic characteristics of the fuel cell-battery hybrid power system in a 2021 Toyota Mirai 2nd generation (Mirai 2) vehicle under various drive cycles. The entire data for this study is collected by instrumenting the Mirai vehicle with in-house data acquisition devices and tapping into the Mirai controller area network bus during chassis dynamometer tests. A multi-input - multi-output, feed-forward artificial neural network architecture is designed to predict not only the fuel cell attributes, such as average minimum cell voltage, coolant and cathode air outlet temperatures, but also the battery hybrid system attributes, including lithium-ion battery pack voltage and temperature with the help of 15 system operating parameters. Over 21,0000 data points on various drive cycles having combinations of transient and near steady-state driving conditions are collected, out of which around 15,000 points are used for training the network and 6,000 for the evaluation of the model performance. Various data filtration techniques and neural network calibration processes are explored to condition the data and understand the impact on model performance. The calibrated neural network accurately predicts the hybrid power system dynamics with an R-squared value greater than 0.98, demonstrating the potential of machine learning algorithms for system development and diagnostics. 展开更多
关键词 Artificial neural network(ANN) Proton exchange membrane fuel cell(PEMFC) fuel cell electric vehicle(FCEV) fuel cell-battery electric-electric hybrid power system Data based models Lithium-ion battery(LiB)
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Recent development in degradation mechanisms of proton exchange membrane fuel cells for vehicle applications:problems,progress,and perspectives
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作者 Zikuo Liu Shanshan Cai +1 位作者 Zhengkai Tu Siew Hwa Chan 《Energy Storage and Saving》 2024年第2期106-152,共47页
Due to its zero emissions,high efficiency and low noise,proton exchange membrane fuel cell(PEMFC)is full of potential for the application of vehicle power source.Nonetheless,its lifespan and durability remain multiple... Due to its zero emissions,high efficiency and low noise,proton exchange membrane fuel cell(PEMFC)is full of potential for the application of vehicle power source.Nonetheless,its lifespan and durability remain multiple obstacles to be solved before widespread commercialization.Frequent exposure to non-rated operating conditions could considerably accelerate the degradation of the PEMFC in various forms,thus reducing its durability.This paper first analyzes degradation mechanisms of PEMFCs under typical automotive operating conditions,including idling,startup-shutdown,dynamic loads,and cold start.The corresponding accelerated stress testing methods are also discussed.Then,as the impurities existed in the reaction gas source and generated from the degradation of the PEMFC itself may occur under all automotive conditions,the degradation mechanisms caused by impurity contamination are classified and reviewed in detail.After that,the techniques proposed by researchers to enhance the durability of PEMFCs are presented from four aspects:membrane electrode assembly materials,bipolar plates and flow fields design,stack assembly,and cell control strategies.The challenges in the field and the prospects for the future are summarized and analyzed at the end.The aim of this work is to provide guidelines for improving the durability of PEMFCs in vehicle applications. 展开更多
关键词 Proton exchange membrane fuel cell vehicle Automotive operating conditions DEGRADATION DURABILITY
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Polymer Electrolyte Membrane Fuel Cells (PEMFC) in Automotive Applications: Environmental Relevance of the Manufacturing Stage 被引量:6
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作者 Daniel Garraín Yolanda Lechón Cristina de la Rúa 《Smart Grid and Renewable Energy》 2011年第2期68-74,共7页
This study presents a state of the art of several studies dealing with the environmental impact assessment of fuel cell (FC) vehicles and the comparison with their conventional fossil-fuelled counterparts, by means of... This study presents a state of the art of several studies dealing with the environmental impact assessment of fuel cell (FC) vehicles and the comparison with their conventional fossil-fuelled counterparts, by means of the Life Cycle As-sessment (LCA) methodology. Results declare that, depending on the systems characteristics, there are numerous envi-ronmental advantages, but also some disadvantages can be expected. In addition, the significance of the manufac-turing process of the FC, more specifically the Polymer Electrolyte Membrane Fuel Cell (PEMFC) type, in terms of environmental impact is presented. Finally, CIEMAT’s role in HYCHAIN European project, consisting of supporting early adopters for hydrogen FCs in the transport sector, is 展开更多
关键词 fuel cell (FC) Polymer Electrolyte Membrane fuel cell (PEMFC) Life Cycle Assessment (LCA) Green-house Gases (GHG) emissions Global Warming IMPACT CATEGORY Energy Resources IMPACT CATEGORY Acidification IMPACT CATEGORY vehicle MANUFACTURING Phase
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Function approximation reinforcement learning of energy management with the fuzzy REINFORCE for fuel cell hybrid electric vehicles 被引量:1
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作者 Liang Guo Zhongliang Li +1 位作者 Rachid Outbib Fei Gao 《Energy and AI》 2023年第3期76-87,共12页
In the paper,a novel self-learning energy management strategy(EMS)is proposed for fuel cell hybrid electric vehicles(FCHEV)to achieve the hydrogen saving and maintain the battery operation.In the EMS,it is proposed to... In the paper,a novel self-learning energy management strategy(EMS)is proposed for fuel cell hybrid electric vehicles(FCHEV)to achieve the hydrogen saving and maintain the battery operation.In the EMS,it is proposed to approximate the EMS policy function with fuzzy inference system(FIS)and learn the policy parameters through policy gradient reinforcement learning(PGRL).Thus,a so-called Fuzzy REINFORCE algorithm is first proposed and studied for EMS problem in the paper.Fuzzy REINFORCE is a model-free method that the EMS agent can learn itself through interactions with environment,which makes it independent of model accuracy,prior knowledge,and expert experience.Meanwhile,to stabilize the training process,a fuzzy baseline function is adopted to approximate the value function based on FIS without affecting the policy gradient direction.More-over,the drawbacks of traditional reinforcement learning such as high computation burden,long convergence time,can also be overcome.The effectiveness of the proposed methods were verified by Hardware-in-Loop ex-periments.The adaptability of the proposed method to the changes of driving conditions and system states is also verified. 展开更多
关键词 Energy management strategy fuel cell hybrid electric vehicle Reinforcement learning Fuzzy inference system Fuzzy policy gradient HARDWARE-IN-LOOP
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Simulation of FCV Fuel Consumption Using Stationary PEMFC
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作者 Yutaro Akimoto Keiichi Okajima Yohji Uchiyama 《Journal of Energy and Power Engineering》 2014年第5期844-851,共8页
In the near future, the use of FCVs (fuel cell vehicles) is expected to help mitigate environmental problems such as exhaustion of fossil fuels and greenhouse gas emissions. Manufacturers publish an FCV's specific ... In the near future, the use of FCVs (fuel cell vehicles) is expected to help mitigate environmental problems such as exhaustion of fossil fuels and greenhouse gas emissions. Manufacturers publish an FCV's specific fuel consumption, but not its dynamic characteristics such as fuel consumption ratio and motor power ratio. Thus, it is difficult to reflect the dynamic characteristics of FCVs in lifecycle system evaluation. To solve this problem, we propose a fuel-consumption simulation method for FCVs using a 1.2 kW stationary PEMFC (proton exchange membrane fuel cell). In this study, the specific fuel consumption under driving cycles such as the Japanese 10-15 and the JC08 modes are determined and compared with the FCV simulation results obtained using fuel consumption ratios derived from the stationary PEMFC. In the simulation, the specific fuel consumption was found to be 1.16 kg-H2/100-km for the base case under the Japanese 10-15 driving cycle. 展开更多
关键词 Proton exchange membrane fuel cell fuel cell vehicle fuel consumption STATIONARY simulation.
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基于TD3-PER的氢燃料电池混合动力汽车能量管理策略研究 被引量:1
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作者 虞志浩 赵又群 +2 位作者 潘陈兵 何鲲鹏 李丹阳 《汽车技术》 CSCD 北大核心 2024年第1期13-19,共7页
为优化氢燃料电池混合动力汽车的燃料经济性及辅助动力电池性能,提出了一种基于优先经验采样的双延迟深度确定性策略梯度(TD3-PER)能量管理策略。采用双延迟深度确定性策略梯度(TD3)算法,在防止训练过优估计的同时实现了更精准的连续控... 为优化氢燃料电池混合动力汽车的燃料经济性及辅助动力电池性能,提出了一种基于优先经验采样的双延迟深度确定性策略梯度(TD3-PER)能量管理策略。采用双延迟深度确定性策略梯度(TD3)算法,在防止训练过优估计的同时实现了更精准的连续控制;同时结合优先经验采样(PER)算法,在获得更好优化性能的基础上加速了策略的训练。仿真结果表明:相较于深度确定性策略梯度(DDPG)算法,所提出的TD3-PER能量管理策略的百公里氢耗量降低了7.56%,平均功率波动降低了6.49%。 展开更多
关键词 氢燃料电池混合动力汽车 优先经验采样 双延迟深度确定性策略梯度 连续控制
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融合工况预测的燃料电池汽车里程自适应等效氢耗最小控制策略 被引量:2
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作者 林歆悠 叶锦泽 王召瑞 《工程科学学报》 EI CSCD 北大核心 2024年第2期376-384,共9页
为有效地提高插电式燃料电池汽车的经济性,实现燃料电池和动力电池的功率最优分配,考虑到行驶工况、电池荷电状态(State of charge,SOC)、等效因子与氢气消耗之间的密切联系,制定融合工况预测的里程自适应等效氢耗最小策略.通过基于误... 为有效地提高插电式燃料电池汽车的经济性,实现燃料电池和动力电池的功率最优分配,考虑到行驶工况、电池荷电状态(State of charge,SOC)、等效因子与氢气消耗之间的密切联系,制定融合工况预测的里程自适应等效氢耗最小策略.通过基于误差反向传播的神经网络来实现未来短期车速的预测,分析未来车辆需求功率变化,同时借助全球定位系统规划一条通往目的地的路径,智能交通系统便可获取整个行程的交通流量信息,利用行驶里程和SOC实时动态修正等效消耗最小策略中的等效因子,实现能量管理策略的自适应性.基于MATLAB/Simulink软件,搭建整车仿真模型与传统的能量管理策略进行仿真对比验证.仿真结果表明,采用基于神经网络的工况预测算法能够较好地预测未来短期工况,其预测精度相较于马尔可夫方法提高12.5%,所提出的能量管理策略在城市道路循环工况(UDDS)下的氢气消耗比电量消耗维持(CD/CS)策略下降55.6%.硬件在环试验表明,在市郊循环工况(EUDC)下的氢气消耗比CD/CS策略下降26.8%,仿真验证结果表明了所提出的策略相比于CD/CS策略在氢气消耗方面的优越性能,并通过硬件在环实验验证了所提策略的有效性. 展开更多
关键词 燃料电池汽车 能量管理策略 等效消耗最小策略 工况预测 反向传播神经网络
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