Design And Control Of The Ancillary System For Hydraulic Hybrid Vehicle Hhv
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Design And Control Of The Ancillary System For Hydraulic Hybrid Vehicle Hhv
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Author : Mohamed E. Abdelgayed
language : en
Publisher:
Release Date : 2010
Design And Control Of The Ancillary System For Hydraulic Hybrid Vehicle Hhv written by Mohamed E. Abdelgayed and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Hybrid electric vehicles categories.
The hybrid hydraulic vehicle (HHV) is a new technology that uses hydraulic power in conjunction with the conventional vehicle internal combustion engine (ICE) in order to improve fuel economy for road vehicles propulsion. In addition to propulsion, a portion of the hydraulic power can be used to drive hydraulic accessories, through a power take-off point. A power take-off method with HHV decreases the cost of implementation on the vehicle as the main power source is readily available. The transferred power, with the appropriate interface using controlled hydraulic circuit, drives the accessories system. This research preliminary analysis investigates three proposed systems: hydraulic intensifier, hydraulic transformer, and pump/motor configuration or hydrostatic system. The research studies the systems efficiencies and the impact of these systems on the main hydraulic circuit. The impact is measured by the system ability to isolate the hydraulic accessories fluid from the main circuit fluid in order to maintain the main circuit performance. The hydraulic intensifier and the hydraulic transformer do not isolate the main source fluid from the load fluid effectively. The estimated efficiency is around 55% for the hydraulic intensifier while it is around 90% for the hydraulic transformer. Accordingly, both of them are not suitable for the application. A hydrostatic transmission or the pump/motor configuration provides complete isolation as the load fluid is separated from the source fluid. In addition efficiency expected to be in range of 80% to 90%. Consequently, the hydrostatic transmission system design is used in this application. A comprehensive analysis is performed on the hydrostatic transmission. The analysis starts by defining two pressure working ranges from hydraulic tools manufacturer's datasheets; the low pressure at 2,000 psi and the high pressure at 10,000 psi. After selection of loading pressure, the design of the driving pumps, and hydraulic motor with the control valve is performed. The analysis includes controller design to the system in order to maintain the load demand. The hydrostatic transmission system design is modeled and then simulated using MATLAB/SIMULINK. The model simulation incorporates several loading cases in order to define the time required to drive the hydraulic accessories efficiently. The model result reports the maximum operating time and the input power consumption rate for each load case. The input power consumption rates and the assumed efficiencies are verified by comparing to the manufacturer's datasheet values and to the model output efficiencies. Conclusions and recommendations are provided at the end of this research.
Improving The Energy Density Of Hydraulic Hybridvehicle Hhvs And Evaluating Plug In Hhvs
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Author : Xianwu Zeng
language : en
Publisher:
Release Date : 2009
Improving The Energy Density Of Hydraulic Hybridvehicle Hhvs And Evaluating Plug In Hhvs written by Xianwu Zeng and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Hybrid electric vehicles categories.
Hydraulic hybrid vehicle (HHV) is a new technology being developed in order to improve fuel economy for road vehicles. This technology also has limitations for example: low energy density, no power grid plug-in capability. This research is on the evaluation of a new concept for improving the HHV technology. With an added air system to HHV, the air system can be charged through grid plug-in or by the internal combustion engine (ICE). The new scheme has the potential to significantly improve the energy density of the hydraulic hybrid vehicles and also provide plug-in capability for these vehicles.Basing on a symbolic program developed in MATLAB/Simulink, a parallel hybrid simulation model for the new system is developed in this thesis. The simulation model includes all the system components such as the vehicle, the air tank, the accumulators, the pressure exchangers, the hydraulic pump/motor, the compressor and the ICE. The power management is implemented based on using all the available hydraulic power. The main objective of this model is to evaluate the average fuel economy (FE) for the HHV with the added compressed-air system. This model is tested basing on the federal urban drive schedule (FUDS). The simulations results with various configurations have not shown significant improvement in the fuel economy. This thesis provides a detailed analysis about the results from the system structure and the energy loss. In this system, there are two alternating accumulators. Every time the accumulator switches to reservoir, energy will be lost. When the engine drives the compressor to recharge the air system, a large engine would be needed to power such a compressor. These are the main reasons for the poor fuel economy of the proposed HHV system.
Analysis And Design Of The Power Split Device For Hybrid Systems
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Author : Xiaohua Zeng
language : en
Publisher: Springer
Release Date : 2017-10-04
Analysis And Design Of The Power Split Device For Hybrid Systems written by Xiaohua Zeng and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-10-04 with Technology & Engineering categories.
This book presents a comprehensive overview of power-split device (PSD) design. It discusses vehicle energy consumption characteristics, hybrid vehicle power request solutions, typical configurations, operating principle and simulation technology of PSD hybrid system, a multi-factor integrated parametric design method and a dynamic coordinated control method for PSD hybrid system. It also describes the finite element analysis, thermal analysis and optimization of the PSD based on a surrogate model, explains the theory behind the design and the simulation, and provides concrete examples. It is a valuable resource for researchers and the engineers to gain a better understanding of the PSD design process.
Design And Implementation Of A Hydraulic Test Facility
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Author : Zachary C. Nielsen
language : en
Publisher:
Release Date : 2011
Design And Implementation Of A Hydraulic Test Facility written by Zachary C. Nielsen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Hybrid electric cars categories.
Hybrid vehicles improve fuel efficiency and reduce harmful emissions. Hybrid Hydraulic Vehicles (HHV) have the potential to double the efficiency of currently available hybrids. To improve the efficiency of hydraulic components used in a HHV, testing needs to be conducted in a laboratory environment. Testing of hydraulic components determine parameters critical to performance such as speeds, torque, fluid flow, and operating pressures. Efficiency maps are generated. Durability of components is evaluated through endurance testing. Operational limits are established for both components and systems. Simulated operating cycles determine the effects on pump/motor (P/M) and other hydraulic devices in the system. Side effects of operating a hydraulic system such as noise, vibration, and heat are determined. Manufacturer data can be validated and data unavailable from manufacturers can be established. In this thesis, the design and construction of a hydraulic test facility to perform this testing will be detailed. Safety precautions and testing procedures will also be discussed. The laboratory is capable of testing hydraulic pumps and motors up to 5,000 PSI. Data can be collected on inlet and outlet pressure, inlet and outlet flow rates, fluid temperature, torque, and speed. All test cells can be configured for both pump mode (powered by electric motor) and motor mode (power absorbed by electric dynamometer).
Modeling And Control Of Hybrid Propulsion System For Ground Vehicles
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Author : Yuan Zou
language : en
Publisher: Springer
Release Date : 2018-07-02
Modeling And Control Of Hybrid Propulsion System For Ground Vehicles written by Yuan Zou and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-07-02 with Technology & Engineering categories.
This book focuses on the systematic design of architectures, parameters and control of typical hybrid propulsion systems for wheeled and tracked vehicles based on a combination of theoretical research and engineering practice. Adopting a mechatronic system dynamics perspective, principles and methods from the fields of optimal control and system optimization are applied in order to analyze the hybrid propulsion configuration and controller design. Case investigations for typical hybrid propulsion systems of wheeled and tracked ground vehicles are also provided.
Electric And Hybrid Vehicles
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Author : Amir Khajepour
language : en
Publisher: John Wiley & Sons
Release Date : 2014-03-05
Electric And Hybrid Vehicles written by Amir Khajepour and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-03-05 with Technology & Engineering categories.
An advanced level introductory book covering fundamental aspects, design and dynamics of electric and hybrid electric vehicles There is significant demand for an understanding of the fundamentals, technologies, and design of electric and hybrid electric vehicles and their components from researchers, engineers, and graduate students. Although there is a good body of work in the literature, there is still a great need for electric and hybrid vehicle teaching materials. Electric and Hybrid Vehicles: Technologies, Modeling and Control – A Mechatronic Approach is based on the authors’ current research in vehicle systems and will include chapters on vehicle propulsion systems, the fundamentals of vehicle dynamics, EV and HEV technologies, chassis systems, steering control systems, and state, parameter and force estimations. The book is highly illustrated, and examples will be given throughout the book based on real applications and challenges in the automotive industry. Designed to help a new generation of engineers needing to master the principles of and further advances in hybrid vehicle technology Includes examples of real applications and challenges in the automotive industry with problems and solutions Takes a mechatronics approach to the study of electric and hybrid electric vehicles, appealing to mechanical and electrical engineering interests Responds to the increase in demand of universities offering courses in newer electric vehicle technologies
Introduction To Hybrid Vehicle System Modeling And Control
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Author : Wei Liu
language : en
Publisher: John Wiley & Sons
Release Date : 2013-02-08
Introduction To Hybrid Vehicle System Modeling And Control written by Wei Liu and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-02-08 with Transportation categories.
This is an engineering reference book on hybrid vehicle system analysis and design, an outgrowth of the author's substantial work in research, development and production at the National Research Council Canada, Azure Dynamics and now General Motors. It is an irreplaceable tool for helping engineers develop algorithms and gain a thorough understanding of hybrid vehicle systems. This book covers all the major aspects of hybrid vehicle modeling, control, simulation, performance analysis and preliminary design. It not only systemically provides the basic knowledge of hybrid vehicle system configuration and main components, but also details their characteristics and mathematic models. Provides valuable technical expertise necessary for building hybrid vehicle system and analyzing performance via drivability, fuel economy and emissions Built from the author's industry experience at major vehicle companies including General Motors and Azure Dynamics Inc. Offers algorithm implementations and figures/examples extracted from actual practice systems Suitable for a training course on hybrid vehicle system development with supplemental materials An essential resource enabling hybrid development and design engineers to understand the hybrid vehicle systems necessary for control algorithm design and developments.
Hybrid Electric Vehicles
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Author : Chris Mi
language : en
Publisher: John Wiley & Sons
Release Date : 2017-11-29
Hybrid Electric Vehicles written by Chris Mi and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-11-29 with Technology & Engineering categories.
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.
Hybrid Electric Vehicles
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Author : Chris Mi
language : en
Publisher: John Wiley & Sons
Release Date : 2011-05-23
Hybrid Electric Vehicles written by Chris Mi and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-05-23 with Technology & Engineering categories.
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.
Design And Control Of Hybrid Brake By Wire System For Autonomous Vehicle
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Author : Donghai Hu
language : en
Publisher: Springer
Release Date : 2022-02-20
Design And Control Of Hybrid Brake By Wire System For Autonomous Vehicle written by Donghai Hu and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-02-20 with Technology & Engineering categories.
This book establishes the models of the electric motor, the hydraulic compound brake system, and the electromagnetic and friction integrated brake system. Considering the two principles on safety and energy saving, it proposes a hybrid brake-by-wire system optimization design method and proposes the optimization method of braking force distribution in different braking modes. The methodology of the book is by using the common Lyapunov function to analyze the stability of the braking mode switching process and designs the braking mode switching controller of the hybrid braking system. The selection of materials provides readers with some guidance in the future design and control of hybrid drive-by-wire systems for autonomous vehicles