Control and Drive Quality Refinement of a Parallel-series Plug-in Hybrid Electric Vehicle PDF Download
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Author: Matthew Alexander Yard Publisher: ISBN: Category : Languages : en Pages : 72
Book Description
Increasingly stringent government regulations and the rising price of oil are causing automotive manufactures to develop vehicles capable of obtaining higher fuel economies and lower emissions. To achieve these goals, automotive manufactures have been developing hybrid-electric vehicles (HEV) and plug-in hybrid-electric vehicles (PHEV) that use both electricity and petroleum based fuels as their power sources. While hybridizing the vehicle powertrain improves the fuel efficiency of the vehicle, the addition of multiple power sources and modes creates many unique issues with vehicle driveability that are difficult and time-consuming to calibrate. The drive quality (also referred to as driveability) of a vehicle refers to the vehicle's responsiveness to driver inputs and overall smoothness of the vehicle in operation. A vehicle with good drive quality results in a comfortable ride for both the driver and passengers. Drive quality is a subjective measure of the driver's perception of the dynamic responses of the vehicle. It is typically measured using highly trained test drivers that analyze the vehicle's behavior under specific driving conditions such as take-off, acceleration, pedal tip-in/tip-out, gear shifts, and braking. Assessing and improving vehicle drive quality in this way can be time consuming and is subject to human error. Recently, major automobile manufacturers have begun to move towards the use of specially-designed software packages to evaluate drive quality objectively.
Author: Matthew Alexander Yard Publisher: ISBN: Category : Languages : en Pages : 72
Book Description
Increasingly stringent government regulations and the rising price of oil are causing automotive manufactures to develop vehicles capable of obtaining higher fuel economies and lower emissions. To achieve these goals, automotive manufactures have been developing hybrid-electric vehicles (HEV) and plug-in hybrid-electric vehicles (PHEV) that use both electricity and petroleum based fuels as their power sources. While hybridizing the vehicle powertrain improves the fuel efficiency of the vehicle, the addition of multiple power sources and modes creates many unique issues with vehicle driveability that are difficult and time-consuming to calibrate. The drive quality (also referred to as driveability) of a vehicle refers to the vehicle's responsiveness to driver inputs and overall smoothness of the vehicle in operation. A vehicle with good drive quality results in a comfortable ride for both the driver and passengers. Drive quality is a subjective measure of the driver's perception of the dynamic responses of the vehicle. It is typically measured using highly trained test drivers that analyze the vehicle's behavior under specific driving conditions such as take-off, acceleration, pedal tip-in/tip-out, gear shifts, and braking. Assessing and improving vehicle drive quality in this way can be time consuming and is subject to human error. Recently, major automobile manufacturers have begun to move towards the use of specially-designed software packages to evaluate drive quality objectively.
Author: Chris Mi Publisher: John Wiley & Sons ISBN: 1119970113 Category : Technology & Engineering Languages : en Pages : 449
Book Description
Modern Hybrid Electric Vehicles provides vital guidance to help a new generation of engineers master the principles of and further advance hybrid vehicle technology. The authors address purely electric, hybrid electric, plug-in hybrid electric, hybrid hydraulic, fuel cell, and off-road hybrid vehicle systems. They focus on the power and propulsion systems for these vehicles, including issues related to power and energy management. They concentrate on material that is not readily available in other hybrid electric vehicle (HEV) books such as design examples for hybrid vehicles, and cover new developments in the field including electronic CVT, plug-in hybrid, and new power converters and controls. Covers hybrid vs. pure electric, HEV system architecture (including plug-in and hydraulic), off-road and other industrial utility vehicles, non-ground-vehicle applications like ships, locomotives, aircrafts, system reliability, EMC, storage technologies, vehicular power and energy management, diagnostics and prognostics, and electromechanical vibration issues. Contains core fundamentals and principles of modern hybrid vehicles at component level and system level. Provides graduate students and field engineers with a text suitable for classroom teaching or self-study.
Author: Adam Michael Szechy Publisher: ISBN: Category : Hybrid electric vehicles Languages : en Pages : 100
Book Description
Hybrid vehicles are becoming the future of automobiles leasing into the all-electric generation of vehicles. Electrical vehicles come with a great increase in torque at lower RPM resulting in the issue of transferring this torque to the ground effectively. In this thesis, a method is presented for limiting wheel slip and targeting the ideal slip ratio for dry asphalt and low friction surfaces at every given time step. A launch control system is developed to further reduce wheel slip on initial acceleration from standstill furthering acceleration rates to sixty miles per hour. A MATLAB Simulink model was built of the powertrain as well as a six degree of freedom vehicle model that has been validated with real testing data from the car. This model was utilized to provide a reliable platform for optimizing control strategies without having to access the physical vehicle, thus reducing physical testing. A nine percent increase has been achieved by utilizing traction control and launch control for initial vehicle movement to sixty miles per hour.
Author: Chris Mi Publisher: John Wiley & Sons ISBN: 1118970535 Category : Technology & Engineering Languages : en Pages : 599
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: Eric Michael Gallo Publisher: ISBN: Category : Languages : en Pages : 95
Book Description
This thesis deals with the parallel-series plug-in hybrid electric vehicle (PHEV) developed by students at The Ohio State University for this competition. Specifically, this document details the development of the series mode control in Software-in-the-Loop (SIL). This mode involves using the engine and front electric machine (FEM) to generate electricity while the rear electric machine (REM) drives the vehicle.
Author: Bram de Jager Publisher: Springer Science & Business Media ISBN: 1447150767 Category : Technology & Engineering Languages : en Pages : 159
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.
Author: Katherine Marie Bovee Publisher: ISBN: Category : Languages : en Pages : 158
Book Description
Abstract: Increasingly stringent government regulations and the rising price of oil are causing automotive manufactures to develop vehicles capable of obtaining higher fuel economies and lower emissions. To achieve these goals, automotive manufactures have been developing hybrid electric vehicles (HEV) and plug-in hybrid electric vehicles (PHEV) that use both electricity and petroleum based fuels as their power sources. The additional power the vehicle receives from the high voltage batteries and the electric machines allow automotive manufacturers to downsize the engine inside of the vehicle. Vehicles with smaller engines are able to obtain a higher overall fuel economy because the smaller engine is able to operate at its more efficient high load operating points more frequently.
Author: Publisher: ISBN: Category : Languages : en Pages : 458
Book Description
Plug-in hybrid electric vehicle (PHEV) technologies have the potential for considerable petroleum consumption reductions, at the expense of increased tailpipe emissions due to multiple "cold" start events and improper use of the engine for PHEV specific operation. PHEVs operate predominantly as electric vehicles (EVs) with intermittent assist from the engine during high power demands. As a consequence, the engine can be subjected to multiple cold start events. These cold start events have a significant impact on the tailpipe emissions due to degraded catalyst performance and starting the engine under less than ideal conditions. On current hybrid electric vehicles (HEVs), the first cold start of the engine dictates whether or not the vehicle will pass federal emissions tests. PHEV operation compounds this problem due to infrequent, multiple engine cold starts. The dissertation research focuses on the design of a vehicle supervisory control system for a pre-transmission parallel PHEV powertrain architecture. Energy management strategies are evaluated and implemented in a virtual environment for preliminary assessment of petroleum displacement benefits and rudimentary drivability issues. This baseline vehicle supervisory control strategy, developed as a result of this assessment, is implemented and tested on actual hardware in a controlled laboratory environment over a baseline test cycle. Engine cold start events are aggressively addressed in the development of this control system, which lead to enhanced pre-warming and energy-based engine warming algorithms that provide substantial reductions in tailpipe emissions over the baseline supervisory control strategy. The flexibility of the PHEV powertrain allows for decreased emissions during any engine starting event through powertrain "torque shaping" algorithms that eliminate high engine torque transients during these periods. The results of the dissertation research show that PHEVs do have the potential for substantial reductions in fuel consumption, while remaining environmentally friendly. Tailpipe emissions from a representative PHEV test platform have been reduced to acceptable levels through the development and refinement of vehicle supervisory control methods only. Impacts on fuel consumption are minimal for the emissions reduction techniques that are implemented, while in some cases, substantial fuel consumption reductions are observed.
Author: Matthew Alexander Yard
Author: Matthew Alexander Yard
Author: Chris Mi
Author: Adam Michael Szechy
Author: Chris Mi
Author: Eric Michael Gallo
Author: Bram de Jager
Author: Katherine Marie Bovee
Author: 
Author: Dimitrios Rizoulis
Author: Jean-Baptiste Gallo