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Article
Automation & Control Systems
Zhen Zhang et al.
Summary: In this study, a Mechanical-Electric-Hydraulic Power Coupler (MEHPC) and a Mechanical-Electric-Hydraulic Power Coupling Vehicle (MEHPCV) were developed to convert mechanical, hydraulic, and electrical energy. An algorithm combining Local Sample Correction Shannon Entropy (LSCSE) and Z-score was proposed to evaluate the electrical and hydraulic output torques. Simulation results demonstrated that the algorithm accurately indicated the state of the driving torque and improved the control strategy and dynamic performance. This research is of significant reference value for torque control strategy innovation and development.
CONTROL ENGINEERING PRACTICE
(2023)
Article
Engineering, Electrical & Electronic
Yaofei Han et al.
Summary: This paper proposes a novel sliding mode disturbance observer-based technique to diagnose demagnetization fault of interior permanent magnet motors with stator parameter mismatch impacts eliminated. Firstly, the IPM motor model considering disturbances caused by PM demagnetization and stator parameter mismatch is established. Then, an SM disturbance observer is constructed to identify the overall disturbance caused by all parameters, with stability discussed using the Lyapunov function. Finally, a current-analysis-based method is developed to extract the disturbance caused by flux linkage mismatch and calculate the real flux linkage for demagnetization fault judgment and degree calculation.
IEEE TRANSACTIONS ON POWER ELECTRONICS
(2023)
Article
Automation & Control Systems
Ban Wang et al.
Summary: An adaptive sliding mode fault-tolerant control strategy is proposed for a quadrotor unmanned aerial vehicle to address actuator faults and model uncertainties. The strategy includes a new reaching law to construct a sliding mode control (SMC) law, which effectively suppresses control chattering while maintaining system tracking performance. An adaptive SMC scheme is also proposed to further compensate for faults and uncertainties, preventing overestimation of control parameters and avoiding chattering. Comparative simulation tests confirm the effectiveness and superiority of the proposed strategy.
INTERNATIONAL JOURNAL OF ROBUST AND NONLINEAR CONTROL
(2023)
Article
Engineering, Mechanical
Chuan Min et al.
Summary: This study proposes a method to optimize the trajectory of an electric vehicle (EV) in order to reduce energy consumption. A vehicle inverse dynamics model is developed using a semi-recursive method, considering the dynamic properties of the suspension, steering, and braking systems. Servo constraints are formulated to address the inverse dynamics, and a procedure for trajectory optimization is developed. The results show that the optimal trajectory minimizes energy consumption.
MECHANISM AND MACHINE THEORY
(2023)
Article
Engineering, Multidisciplinary
Yanjun Xia et al.
Summary: This paper investigates the effects of multiple uncertain input parameters on the unsafety probability of a safety instrumented system with the k-out-of-n redundancy arrangement. The sensitivity formulas for these effects are derived. The results show that the sensitivity values remain unchanged with high redundancy, while they vary with low redundancy. Comparison between truncated and non-truncated uncertain parameters indicates that the results converge as the truncated region approaches zero, allowing for faster computation with truncated parameters when the region is smaller than 10(-3).
QUALITY AND RELIABILITY ENGINEERING INTERNATIONAL
(2023)
Article
Thermodynamics
Jian Yang et al.
Summary: This paper proposes a novel mechatronics-electro-hydraulic power coupling electric vehicle (MEH-PCEV) and designs energy management strategies for its multiple energy sources system. The torque output anomaly issue is also addressed. The simulation results demonstrate that the proposed methods can enhance the stability of electric and total torque output, improve the efficiency of the motor operation, and reduce energy consumption.
Article
Economics
Richard P. Langford et al.
Summary: This study estimates the economic benefits generated by the introduction of hybrid electric vehicles in the market for new automobiles. Using data from all new vehicle registrations in California and detailed demographic data, the model reveals that the addition of hybrids to the consumer choice set generates gains in social surplus, peaking at approximately $1.2 billion annually in 2007. However, environmental benefits constitute only 0.2% of the net benefits. The study further shows that 31% of the social surplus in 2008 can be directly attributed to hybrid vehicles, while the remaining 69% is attributed to gains in fuel efficiency. Additionally, all income groups benefit from the introduction of hybrids, with the top 50% of the income distribution receiving the most.
INTERNATIONAL JOURNAL OF INDUSTRIAL ORGANIZATION
(2023)
Article
Mechanics
Tarsis Prado Barbosa et al.
Summary: This work proposes a modeling method for a small series hydraulic hybrid vehicle to meet the power demand of a real driving cycle. Optimization tools are used to optimize the hydraulic components for minimum fuel consumption. The implemented model reduces fuel consumption by 37% compared to a conventional passenger car.
MECHANICS BASED DESIGN OF STRUCTURES AND MACHINES
(2022)
Article
Thermodynamics
Qingsong Tang et al.
Summary: This paper investigates the coordinated control strategy for the electro-hydraulic compound braking system of a pure electric vehicle, enhancing energy recovery efficiency and demonstrating its effectiveness in achieving efficient energy recovery while ensuring stability and safety.
Article
Thermodynamics
Jony Javorski Eckert et al.
Summary: This paper presents a comprehensive optimization procedure for a series electric hydraulic hybrid vehicle powertrain and control, achieving maximum driving range and battery lifespan while minimizing onboard energy storage system mass. The results indicate that this powertrain architecture is attractive in terms of sustainability and economy, reducing battery aging effectively through the use of a high power density hydraulic accumulator.
ENERGY CONVERSION AND MANAGEMENT
(2022)
Article
Engineering, Civil
Yukun Fang et al.
Summary: Improper handling of on-ramp merging can lead to decreased traffic efficiency and increased collision risk. Cooperative control for connected and automated vehicles (CAVs) can mitigate these negative effects and improve safety and traffic efficiency.
IEEE TRANSACTIONS ON INTELLIGENT TRANSPORTATION SYSTEMS
(2022)
Article
Energy & Fuels
Boqiang Lin et al.
Summary: The decision-making process of car purchase can be influenced by various factors, leading to changes in consumers' intention to purchase new energy vehicles. In this study, consumers' intention to buy new energy vehicles is divided into three stages, and the influencing relationships are extended to these stages. The results show that consumers' willingness to purchase new energy vehicles decreases in the early stages and then rises in later stages. However, an improved cognition of the role of new energy vehicles in environmental governance contributes to consumers' purchase intention.
Article
Engineering, Chemical
Hao Chen et al.
Summary: This paper proposes an electro-hydraulic power coupled electric vehicle and demonstrates through simulation that the system can improve the vehicle's acceleration performance and energy recovery efficiency.
Article
Energy & Fuels
Yanyu Chen
Summary: With the continuous innovation of technology, key technologies in the field of new energy vehicles have been incorporated into various industries. The government has formulated a promotion strategy to boost the market scale of the automotive industry. However, the new energy vehicle industry still faces challenges such as low willingness to spread, short spread paths, and poor spread benefits.
Article
Energy & Fuels
Xiaodong Liu et al.
Summary: This paper proposes an improved MFAC-based real-time EMS that considers vehicle velocity and load change based on historical driving data, enhancing the adaptive capability and energy-saving effectiveness of the system.
ENERGY SCIENCE & ENGINEERING
(2022)
Article
Computer Science, Information Systems
Junyi Wang et al.
Summary: This paper proposes a master-slave electro-hydraulic hybrid passenger car drive system based on planetary gear to address the short-range and poor braking safety issues of electric vehicles. After theoretical analysis and simulation, the superiority of the system in terms of range and braking safety is substantiated.
Article
Thermodynamics
Desiree Alcazar-Garcia et al.
Summary: This paper presents an adaptive and high-accuracy methodology that utilizes genetic algorithms to accelerate the design and implementation of ecological vehicles in smart cities. The methodology maximizes vehicle range with minimal computational effort and provides predictive information on cost, volume, and weight. The reliability and precision of the model have been verified using commercially available vehicles.
Review
Thermodynamics
Jian Yang et al.
Summary: This paper provides a detailed summary of the principles, concepts, and operation modes of electro-hydraulic hybrid systems. It also analyzes and discusses the multi-mode working conditions of electro-hydraulic hybrid vehicles in different vehicle types. Additionally, a novel mechanical-electric-hydraulic power coupling system is introduced. This review is essential for the management and development of future electro-hydraulic hybrid vehicles.
ENERGY CONVERSION AND MANAGEMENT
(2022)
Article
Engineering, Chemical
Qingxiao Jia et al.
Summary: This paper proposes a master-slave electro-hydraulic hybrid electric vehicle (MSEH-HEV) that uses a planetary row as the core transmission component. It introduces six working modes, matches key component parameters, and designs a rule-based control strategy to optimize energy distribution and mode switching. The research demonstrates the advantages of MSEH-HEV through simulation and shows that it reduces battery consumption and motor torque while optimizing control strategy.
Article
Engineering, Mechanical
Guanpeng Chen et al.
Summary: A new electro-hydrostatic hydraulic hybrid powertrain is designed to improve energy efficiency and reduce peak torque of electric buses. Through simulation and experimentation, it is verified that the system can effectively achieve these goals under different driving conditions.
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART D-JOURNAL OF AUTOMOBILE ENGINEERING
(2021)
Article
Engineering, Multidisciplinary
Zhong Wang et al.
Summary: The improved multi-objective particle swarm optimization (IMOPSO) method was successfully applied to optimize powertrain component parameters for a hybrid hydraulic vehicle (HHV), providing a wide range of design choices. Additionally, offline optimization of equivalence factors (EFs) by IMOPSO was used to establish an online equivalent consumption minimization strategy (I-ECMS), further enhancing management control effectiveness.
ENGINEERING OPTIMIZATION
(2021)
Article
Thermodynamics
Jian Yang et al.
Summary: A novel mechatronics-electro-hydraulic power coupling system (MEH-PCS) is proposed to reduce large peak torque and improve dynamic performance by converting electrical, mechanical, and hydraulic energy during frequent stops and starts. Experimental results show that compared to certified pure electric vehicles, the MEH-PCEV significantly reduces battery consumption rate, enhances start-up speed, and reduces electric peak torque, demonstrating clear advantages.
Article
Thermodynamics
Jichao Hong et al.
Summary: This paper proposes a novel MEHPC electric vehicle, which integrates the traditional motor with the hydraulic pump/motor to realize the mutual conversion of electrical energy, mechanical energy, and hydraulic energy. By optimizing the electric-hydraulic ratio and considering multiple objectives, the MEHPC system can significantly reduce electric peak torque and improve battery state of charge. Compared to pure electric vehicles, the MEHPC system achieves a 33.54% reduction in energy consumption rate and provides better energy efficiency, stability, and economic performance, suggesting its potential as a good reference for the development of electro-hydraulic systems.
ENERGY CONVERSION AND MANAGEMENT
(2021)
Article
Energy & Fuels
P. Rajesh et al.
Summary: This paper introduces a hybrid optimization algorithm GFO-VITG for the energy management system of photovoltaic-aided electric vehicles, aiming to reduce system cost and power loss through optimal energy management. The proposed method demonstrates efficiency and lower computational complexity in simulations.
ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS
(2021)
Article
Engineering, Mechanical
Shilei Zhou et al.
Summary: This study investigates the power on gear shift control of a parallel hydraulic hybrid vehicle (PHHV) by developing a multibody dynamic model and designing a control strategy to improve driving comfort and reduce powertrain vibration. The Extended Kalman filter is utilized for parameter estimation, and the torque compensation capability of the hydraulic pump/motor is assessed by analyzing traction force requirements during gear shift.
MECHANICAL SYSTEMS AND SIGNAL PROCESSING
(2021)
Article
Energy & Fuels
Pranjali R. Tete et al.
Summary: In the era of sustainable energy revolution, battery storage has emerged as a crucial field, especially in the context of electric vehicles. Efficient energy storage and retrieval in batteries, along with the operating temperature of electric vehicle batteries, are vital for performance optimization. Various cooling systems, such as air, liquid, phase change material, heat pipe, and refrigeration methods, have been discussed in depth in recent experimental and numerical analyses of battery thermal management systems (BTMS).
JOURNAL OF ENERGY STORAGE
(2021)
Article
Energy & Fuels
Shilei Zhou et al.
Summary: IEV consumes more energy due to lower electric motor efficiency, IHV consumes the most energy due to energy loss in the hydraulic driveline, both affecting driving comfort with increased unsprung mass.
Article
Engineering, Chemical
Shaohua Hu et al.
Summary: Despite the growing contribution of the automotive industry to China's economy, CO2 emissions have become a challenge. Research on energy consumption and carbon emissions is lacking. The study identifies key driving forces for emissions, with investment intensity being the greatest factor, and proposes mitigation measures to reduce emissions.
Article
Thermodynamics
Achikkulath Prasanthi et al.
Summary: This paper proposes an optimal hybrid energy sources sizing methodology for hybrid electric vehicles, comprising ultracapacitor (UC) and fuel cell (FC) with battery units (BU). By formulating a multi objective problem using dynamic-source models and adaptive energy management strategy, the optimization problem is effectively addressed. The performance evaluation shows significant benefits in downsizing battery rating and reducing system relative cost and weight using the improved butterfly optimization algorithm and the proposed energy management strategy.
ENERGY CONVERSION AND MANAGEMENT
(2021)
Review
Energy & Fuels
Surbhi Aggarwal et al.
Summary: The promotion of Electric Vehicles (EVs) is crucial for improving air quality, reducing emissions, and maintaining the balance of oil demand and supply. This study provides a comprehensive review of EV classification, charging scenarios, integration, and grid system impact, offering valuable insights for further research and development in this field.
ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS
(2021)
Article
Computer Science, Information Systems
Heeyun Lee et al.
Summary: This study introduces a reinforcement learning-based approach to determine the equivalent factor in hybrid electric vehicles, indirectly extracted from reinforcement learning results. By combining reinforcement learning with the equivalent consumption minimization strategy, the proposed method achieves near-optimal performance compared to dynamic programming and improves performance compared to existing strategies.
Article
Energy & Fuels
Ridoy Das et al.
Article
Energy & Fuels
Hsiu-Ying Hwang et al.
Article
Green & Sustainable Science & Technology
Jihu Zheng et al.
JOURNAL OF CLEANER PRODUCTION
(2020)
Review
Green & Sustainable Science & Technology
Rajeev Ranjan Kumar et al.
JOURNAL OF CLEANER PRODUCTION
(2020)
Article
Energy & Fuels
Amine Lahyani et al.
ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS
(2020)
Article
Environmental Studies
Feng Dong et al.
Review
Engineering, Civil
Snigdha Sharma et al.
JOURNAL OF TRAFFIC AND TRANSPORTATION ENGINEERING-ENGLISH EDITION
(2020)
Article
Computer Science, Information Systems
Yuping Zeng
CLUSTER COMPUTING-THE JOURNAL OF NETWORKS SOFTWARE TOOLS AND APPLICATIONS
(2019)
Article
Management
Gerhard Hiermann et al.
EUROPEAN JOURNAL OF OPERATIONAL RESEARCH
(2019)
Article
Automation & Control Systems
Zhekang Du et al.
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART I-JOURNAL OF SYSTEMS AND CONTROL ENGINEERING
(2019)
Article
Engineering, Multidisciplinary
Xiaobin Ning et al.
MATHEMATICAL PROBLEMS IN ENGINEERING
(2019)
Article
Thermodynamics
Chunfang Yin et al.
ADVANCES IN MECHANICAL ENGINEERING
(2019)
Review
Thermodynamics
Zhenhe Li et al.
Article
Thermodynamics
Joao L. Rodrigues et al.
Article
Thermodynamics
LiPeng Zhang et al.
Article
Thermodynamics
Wei Wu et al.
Article
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Jia-Shiun Chen
