Control Strategies in Light Fuel Cell Charge Sustaining Hybrid Electric Vehicles PDF Download
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Author: Aaron Matthew Sanders
Publisher:
ISBN: 9781267969620
Category :
Languages : en
Pages :
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Book Description
Transportation expends a vast amount of energy in the form of fuels. Environmental concerns and worries of dwindling fuel supplies have led to development of cleaner, more efficient vehicles. These vehicles have opened new avenues of research into novel ways to improve transportation methods using emerging technologies. Hybrid vehicles derive power from two or more power sources to improve performance and efficiency. Fuel cell hybrid vehicles have the potential to emit no pollutants at their end use. Control of hybrid vehicles is inherently more complex than that of conventional vehicles. The instantaneous power split between power sources at a given time is known as a control strategy which determines performance and efficiency characteristics. This study explores design and construction of a fuel cell motorcycle built at the University of California, Davis. The control strategies used and the effects of each strategy are then explored. The strategies explored include proportional battery state of charge (SOC) based control as well as an Equivalent Consumption Minimization Strategy (ECMS). ECMS was found to improve fuel economy by 2.36% in the vehicle tested. ECMS is simply a control change so no hardware modifications are required for similar configuration hybrid vehicles. Fuel cell hybrid vehicles have the potential to provide a reliable and clean transportation system. High costs of fuel cell vehicles and infrastructure competing with low conventional fuel and vehicle costs hinders widespread adoption, yet the control strategies explored could be equally applied to other hybrid systems.
Author: Aaron Matthew Sanders
Publisher:
ISBN: 9781267969620
Category :
Languages : en
Pages :
Get Book Here
Book Description
Transportation expends a vast amount of energy in the form of fuels. Environmental concerns and worries of dwindling fuel supplies have led to development of cleaner, more efficient vehicles. These vehicles have opened new avenues of research into novel ways to improve transportation methods using emerging technologies. Hybrid vehicles derive power from two or more power sources to improve performance and efficiency. Fuel cell hybrid vehicles have the potential to emit no pollutants at their end use. Control of hybrid vehicles is inherently more complex than that of conventional vehicles. The instantaneous power split between power sources at a given time is known as a control strategy which determines performance and efficiency characteristics. This study explores design and construction of a fuel cell motorcycle built at the University of California, Davis. The control strategies used and the effects of each strategy are then explored. The strategies explored include proportional battery state of charge (SOC) based control as well as an Equivalent Consumption Minimization Strategy (ECMS). ECMS was found to improve fuel economy by 2.36% in the vehicle tested. ECMS is simply a control change so no hardware modifications are required for similar configuration hybrid vehicles. Fuel cell hybrid vehicles have the potential to provide a reliable and clean transportation system. High costs of fuel cell vehicles and infrastructure competing with low conventional fuel and vehicle costs hinders widespread adoption, yet the control strategies explored could be equally applied to other hybrid systems.
Author: Askin Minaz
Publisher:
ISBN:
Category : Fuel cell vehicles
Languages : en
Pages : 166
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Book Description
Author: Mehrdad Ehsani
Publisher: CRC Press
ISBN: 1420054007
Category : Technology & Engineering
Languages : en
Pages : 557
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Book Description
Air pollution, global warming, and the steady decrease in petroleum resources continue to stimulate interest in the development of safe, clean, and highly efficient transportation. Building on the foundation of the bestselling first edition, Modern Electric, Hybrid Electric, and Fuel Cell Vehicles: Fundamentals, Theory, and Design, Second Edition updates and expands its detailed coverage of the vehicle technologies that offer the most promising solutions to these issues affecting the automotive industry. Proven as a useful in-depth resource and comprehensive reference for modern automotive systems engineers, students, and researchers, this book speaks from the perspective of the overall drive train system and not just its individual components. New to the second edition: A case study appendix that breaks down the Toyota Prius hybrid system Corrections and updates of the material in the first edition Three new chapters on drive train design methodology and control principles A completely rewritten chapter on Fundamentals of Regenerative Braking Employing sufficient mathematical rigor, the authors comprehensively cover vehicle performance characteristics, EV and HEV configurations, control strategies, modeling, and simulations for modern vehicles. They also cover topics including: Drive train architecture analysis and design methodologies Internal Combustion Engine (ICE)-based drive trains Electric propulsion systems Energy storage systems Regenerative braking Fuel cell applications in vehicles Hybrid-electric drive train design The first edition of this book gave practicing engineers and students a systematic reference to fully understand the essentials of this new technology. This edition introduces newer topics and offers deeper treatments than those included in the first. Revised many times over many years, it will greatly aid engineers, students, researchers, and other professionals who are working in automotive-related industries, as well as those in government and academia.
Author: Simona Onori
Publisher: Springer
ISBN: 1447167813
Category : Technology & Engineering
Languages : en
Pages : 121
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Book Description
This SpringerBrief deals with the control and optimization problem in hybrid electric vehicles. Given that there are two (or more) energy sources (i.e., battery and fuel) in hybrid vehicles, it shows the reader how to implement an energy-management strategy that decides how much of the vehicle’s power is provided by each source instant by instant. Hybrid Electric Vehicles: •introduces methods for modeling energy flow in hybrid electric vehicles; •presents a standard mathematical formulation of the optimal control problem; •discusses different optimization and control strategies for energy management, integrating the most recent research results; and •carries out an overall comparison of the different control strategies presented. Chapter by chapter, a case study is thoroughly developed, providing illustrative numerical examples that show the basic principles applied to real-world situations. The brief is intended as a straightforward tool for learning quickly about state-of-the-art energy-management strategies. It is particularly well-suited to the needs of graduate students and engineers already familiar with the basics of hybrid vehicles but who wish to learn more about their control strategies.
Author: Sheldon S. Williamson
Publisher: Springer Science & Business Media
ISBN: 1461477115
Category : Technology & Engineering
Languages : en
Pages : 263
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Book Description
This book addresses the practical issues for commercialization of current and future electric and plug-in hybrid electric vehicles (EVs/PHEVs). The volume focuses on power electronics and motor drives based solutions for both current as well as future EV/PHEV technologies. Propulsion system requirements and motor sizing for EVs is also discussed, along with practical system sizing examples. PHEV power system architectures are discussed in detail. Key EV battery technologies are explained as well as corresponding battery management issues are summarized. Advanced power electronic converter topologies for current and future charging infrastructures will also be discussed in detail. EV/PHEV interface with renewable energy is discussed in detail, with practical examples.
Author: Chris Mi
Publisher: John Wiley & Sons
ISBN: 111897056X
Category : Technology & Engineering
Languages : en
Pages : 611
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Book Description
The latest developments in the field of hybrid electric vehicles Hybrid Electric Vehicles provides an introduction to hybrid vehicles, which include purely electric, hybrid electric, hybrid hydraulic, fuel cell vehicles, plug-in hybrid electric, and off-road hybrid vehicular systems. It focuses on the power and propulsion systems for these vehicles, including issues related to power and energy management. Other topics covered include hybrid vs. pure electric, HEV system architecture (including plug-in & charging control and hydraulic), off-road and other industrial utility vehicles, safety and EMC, storage technologies, vehicular power and energy management, diagnostics and prognostics, and electromechanical vibration issues. Hybrid Electric Vehicles, Second Edition is a comprehensively updated new edition with four new chapters covering recent advances in hybrid vehicle technology. New areas covered include battery modelling, charger design, and wireless charging. Substantial details have also been included on the architecture of hybrid excavators in the chapter related to special hybrid vehicles. Also included is a chapter providing an overview of hybrid vehicle technology, which offers a perspective on the current debate on sustainability and the environmental impact of hybrid and electric vehicle technology. Completely updated with new chapters Covers recent developments, breakthroughs, and technologies, including new drive topologies Explains HEV fundamentals and applications Offers a holistic perspective on vehicle electrification Hybrid Electric Vehicles: Principles and Applications with Practical Perspectives, Second Edition is a great resource for researchers and practitioners in the automotive industry, as well as for graduate students in automotive engineering.
Author: Puneet Jethani
Publisher:
ISBN:
Category : Fuel cell vehicles
Languages : en
Pages : 101
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Book Description
The greenhouse gases in the atmosphere have reached a highest level due to high number of vehicles. A Fuel Cell Hybrid Electric Vehicle (FCHEV) has zero greenhouse gas emissions compared to conventional ICE vehicles or Hybrid Electric Vehicles and hence is a better alternative. All Electric Vehicle (AEVs) have longer charging time which is unfavorable. A fully charged battery gives less range compared to a FCHEV with a full hydrogen tank. So FCHEV has an advantage of a quick fuel up and more mileage than AEVs. A Proton Electron Membrane Fuel Cell (PEMFC) is the commonly used kind of fuel cell vehicles but it possesses slow current dynamics and hence not suitable to be the sole power source in a vehicle. Therefore, improving the transient power capabilities of fuel cell to satisfy the road load demand is critical. This research studies integration of Ultra-Capacitor (UC) to FCHEV. The objective is to analyze the effect of integrating UCs on the transient response of FCHEV powertrain. UCs has higher power density which can overcome slow dynamics of fuel cell. A power management strategy utilizing peak power shaving strategy is implemented. The goal is to decrease power load on batteries and operate fuel cell stack in it’s most efficient region. Complete model to simulate the physical behavior of UC-Integrated FCHEV (UC-FCHEV) is developed using Matlab/SIMULINK. The fuel cell polarization curve is utilized to devise operating points of the fuel cell to maintain its operation at most efficient region. Results show reduction of hydrogen consumption in aggressive US06 drive cycle from 0.29 kg per drive cycle to 0.12 kg. The maximum charge/discharge battery current was reduced from 286 amperes to 110 amperes in US06 drive cycle. Results for the FUDS drive cycle show a reduction in fuel consumption from 0.18 kg to 0.05 kg in one drive cycle. This reduction in current increases the life of the battery since its protected from overcurrent. The SOC profile of the battery also shows that the battery is not discharged to its minimum threshold which increasing the health of the battery based on number of charge/discharge cycles.
Author: Lino Guzzella
Publisher: Springer Science & Business Media
ISBN: 3540746927
Category : Technology & Engineering
Languages : en
Pages : 345
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Book Description
The authors of this text have written a comprehensive introduction to the modeling and optimization problems encountered when designing new propulsion systems for passenger cars. It is intended for persons interested in the analysis and optimization of vehicle propulsion systems. Its focus is on the control-oriented mathematical description of the physical processes and on the model-based optimization of the system structure and of the supervisory control algorithms.
Author: Avernethy Bellaflor Francisco
Publisher:
ISBN:
Category :
Languages : en
Pages : 224
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Book Description
Author: Bram de Jager
Publisher: Springer Science & Business Media
ISBN: 1447150767
Category : Technology & Engineering
Languages : en
Pages : 159
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Book Description
Optimal Control of Hybrid Vehicles provides a description of power train control for hybrid vehicles. The background, environmental motivation and control challenges associated with hybrid vehicles are introduced. The text includes mathematical models for all relevant components in the hybrid power train. The power split problem in hybrid power trains is formally described and several numerical solutions detailed, including dynamic programming and a novel solution for state-constrained optimal control problems based on the maximum principle. Real-time-implementable strategies that can approximate the optimal solution closely are dealt with in depth. Several approaches are discussed and compared, including a state-of-the-art strategy which is adaptive for vehicle conditions like velocity and mass. Three case studies are included in the book: • a control strategy for a micro-hybrid power train; • experimental results obtained with a real-time strategy implemented in a hybrid electric truck; and • an analysis of the optimal component sizes for a hybrid power train. Optimal Control of Hybrid Vehicles will appeal to academic researchers and graduate students interested in hybrid vehicle control or in the applications of optimal control. Practitioners working in the design of control systems for the automotive industry will also find the ideas propounded in this book of interest.
