Semi Active Suspension Design For Vehicle Tire Force Control
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| Author | : Sergio M. Savaresi |
| Publisher | : Elsevier |
| Total Pages | : 241 |
| Release | : 2010-08-13 |
| Genre | : Technology & Engineering |
| ISBN | : 0080966799 |
Semi-Active Suspension Control Design for Vehicles presents a comprehensive discussion of designing control algorithms for semi-active suspensions. It also covers performance analysis and control design. The book evaluates approaches to different control theories, and it includes methods needed for analyzing and evaluating suspension performances, while identifying optimal performance bounds. The structure of the book follows a classical path of control-system design; it discusses the actuator or the variable-damping shock absorber, models and technologies. It also models and discusses the vehicle that is equipped with semi-active dampers, and the control algorithms. The text can be viewed at three different levels: tutorial for novices and students; application-oriented for engineers and practitioners; and methodology-oriented for researchers. The book is divided into two parts. The first part includes chapters 2 to 6, in which fundamentals of modeling and semi-active control design are discussed. The second part includes chapters 6 to 8, which cover research-oriented solutions and case studies. The text is a comprehensive reference book for research engineers working on ground vehicle systems; automotive and design engineers working on suspension systems; control engineers; and graduate students in control theory and ground vehicle systems. - Appropriate as a tutorial for students in automotive systems, an application-oriented reference for engineers, and a control design-oriented text for researchers that introduces semi-active suspension theory and practice - Includes explanations of two innovative semi-active suspension strategies to enhance either comfort or road-holding performance, with complete analyses of both - Also features a case study showing complete implementation of all the presented strategies and summary descriptions of classical control algorithms for controlled dampers
| Author | : A. Galip Ulsoy |
| Publisher | : Cambridge University Press |
| Total Pages | : 407 |
| Release | : 2012-04-30 |
| Genre | : Computers |
| ISBN | : 110701011X |
This textbook introduces advanced control systems for vehicles, including advanced automotive concepts and the next generation of vehicles for ITS.
| Author | : Emanuele Guglielmino |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 302 |
| Release | : 2008-05-27 |
| Genre | : Technology & Engineering |
| ISBN | : 1848002319 |
Semi-active Suspension Control provides an overview of vehicle ride control employing smart semi-active damping systems. These systems are able to tune the amount of damping in response to measured vehicle-ride and handling indicators. Two physically different dampers (magnetorheological and controlled-friction) are analysed from the perspectives of mechatronics and control. Ride comfort, road holding, road damage and human-body modelling are studied. Mathematical modelling is balanced by a large and detailed section on experimental implementation, where a variety of automotive applications are described offering a well-rounded view. The implementation of control algorithms with regard to real-life engineering constraints is emphasised. The applications described include semi-active suspensions for a saloon car, seat suspensions for vehicles not equipped with a primary suspension, and control of heavy-vehicle dynamic-tyre loads to reduce road damage and improve handling.
| Author | : Tobias Niemz |
| Publisher | : diplom.de |
| Total Pages | : 184 |
| Release | : 2014-04-11 |
| Genre | : Technology & Engineering |
| ISBN | : 3836630036 |
Inhaltsangabe:Abstract: This thesis presents a control algorithm for semi-active suspensions to reduce the braking distance of passenger cars. Active shock absorbers are controlled and used to influence the vertical dynamics during ABS-controlled full braking. In today s series cars the active shock absorbers are switched to a passive damping - usually hard damping - during ABS-braking. Several approaches to reduce oscillations of vertical dynamic tire forces are known, implemented and some of them tested in non-braking situations (refer to Yi, Valà ek, and Nouillant). The approach presented in this paper goes a step further by connecting the vertical with the longitudinal dynamics. To influence the vertical dynamics a switching control logic, called MiniMax-controller, is used. It is named after the fact that it changes only from soft to hard damping and vice versa. A control quantity was identified that connects the vertical dynamics with the longitudinal dynamics: the integral of dynamic wheel load. The control algorithm is implemented in a compact class passenger car. Simulations with a quarter-car model have been undertaken as well as tests on a 4-post-test rig, driving tests with defined excitations (like defined obstacles), and test drives on a real road, using a braking machine for reproducibility reasons. It could be shown that it is possible to reduce the braking distance by affecting on the vertical dynamics of a passenger car in general. The amount of reduction depends on the elevation profile of the chosen testing track and on the initial velocity. On a road with an unevenness comparable to the one that is found on a typical German Autobahn, a reduction of typically 1-2%, compared to the best passive damping, was achieved. Inhaltsverzeichnis:Table of Contents: List of Abbreviationsix List of Symbols and Indicesx Abstractxv 1.Introduction1 1.1Classification of Suspension Systems1 1.2State of the Art3 1.3Research Objectives11 1.4Methodology12 2.Fundamentals of Vehicle Dynamics14 2.1Coordinate Systems14 2.2The Braking Process16 2.2.1The Quality of a Braking Process23 2.2.2Parameters that Influence the Braking Distance24 2.3Possibilities to Influence the Braking Force26 2.3.1Influence via Braking Torque-ABS30 2.3.2Influence via Wheel Load-Active Shock Absorbers34 2.4Conclusions35 3.Tools and Research Environment36 3.1Active Shock-Absorbers36 3.2Testing Vehicle38 3.2.1Testing Vehicle [...]
| Author | : Rajesh Rajamani |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 516 |
| Release | : 2011-12-21 |
| Genre | : Technology & Engineering |
| ISBN | : 1461414326 |
Vehicle Dynamics and Control provides a comprehensive coverage of vehicle control systems and the dynamic models used in the development of these control systems. The control system applications covered in the book include cruise control, adaptive cruise control, ABS, automated lane keeping, automated highway systems, yaw stability control, engine control, passive, active and semi-active suspensions, tire-road friction coefficient estimation, rollover prevention, and hybrid electric vehicles. In developing the dynamic model for each application, an effort is made to both keep the model simple enough for control system design but at the same time rich enough to capture the essential features of the dynamics. A special effort has been made to explain the several different tire models commonly used in literature and to interpret them physically. In the second edition of the book, chapters on roll dynamics, rollover prevention and hybrid electric vehicles have been added, and the chapter on electronic stability control has been enhanced. The use of feedback control systems on automobiles is growing rapidly. This book is intended to serve as a useful resource to researchers who work on the development of such control systems, both in the automotive industry and at universities. The book can also serve as a textbook for a graduate level course on Vehicle Dynamics and Control.
| Author | : Saad Kashem |
| Publisher | : Springer |
| Total Pages | : 218 |
| Release | : 2017-09-04 |
| Genre | : Technology & Engineering |
| ISBN | : 9811054789 |
This book describes the development of a new analytical, full-vehicle model with nine degrees of freedom, which uses the new modified skyhook strategy (SKDT) to control the full-vehicle vibration problem. The book addresses the incorporation of road bank angle to create a zero steady-state torque requirement when designing the direct tilt control and the dynamic model of the full car model. It also highlights the potential of the SKDT suspension system to improve cornering performance and paves the way for future work on the vehicle’s integrated chassis control system. Active tilting technology to improve vehicle cornering is the focus of numerous ongoing research projects, but these don’t consider the effect of road bank angle in the control system design or in the dynamic model of the tilting standard passenger vehicles. The non-incorporation of road bank angle creates a non-zero steady state torque requirement.
| Author | : Yildirim Hurmuzlu |
| Publisher | : CRC Press |
| Total Pages | : 872 |
| Release | : 2017-12-19 |
| Genre | : Technology & Engineering |
| ISBN | : 1420036742 |
With a specific focus on the needs of the designers and engineers in industrial settings, The Mechanical Systems Design Handbook: Modeling, Measurement, and Control presents a practical overview of basic issues associated with design and control of mechanical systems. In four sections, each edited by a renowned expert, this book answers diverse questions fundamental to the successful design and implementation of mechanical systems in a variety of applications. Manufacturing addresses design and control issues related to manufacturing systems. From fundamental design principles to control of discrete events, machine tools, and machining operations to polymer processing and precision manufacturing systems. Vibration Control explores a range of topics related to active vibration control, including piezoelectric networks, the boundary control method, and semi-active suspension systems. Aerospace Systems presents a detailed analysis of the mechanics and dynamics of tensegrity structures Robotics offers encyclopedic coverage of the control and design of robotic systems, including kinematics, dynamics, soft-computing techniques, and teleoperation. Mechanical systems designers and engineers have few resources dedicated to their particular and often unique problems. The Mechanical Systems Design Handbook clearly shows how theory applies to real world challenges and will be a welcomed and valuable addition to your library.
| Author | : Bernhard Heißing |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 611 |
| Release | : 2010-11-09 |
| Genre | : Technology & Engineering |
| ISBN | : 3834897892 |
In spite of all the assistance offered by electronic control systems, the latest generation of passenger car chassis still relies on conventional chassis elements. With a view towards driving dynamics, this book examines these conventional elements and their interaction with mechatronic systems. First, it describes the fundamentals and design of the chassis and goes on to examine driving dynamics with a particularly practical focus. This is followed by a detailed description and explanation of the modern components. A separate section is devoted to the axles and processes for axle development. With its revised illustrations and several updates in the text and list of references, this new edition already includes a number of improvements over the first edition.
| Author | : Geoffrey Howard |
| Publisher | : SAE International |
| Total Pages | : 474 |
| Release | : 2004-02-07 |
| Genre | : Technology & Engineering |
| ISBN | : 1468603396 |
Through appendices and diagrams, Car Suspension and Handling, 4th Edition outlines the purpose and history of vehicle suspension systems, while defining the basic parameters of suspension geometry. In addition, the book delves into human sensitivity to vibration, and offers data on durability, tire background information, steering calculations and suspension calculations.
| Author | : |
| Publisher | : |
| Total Pages | : 844 |
| Release | : 2000 |
| Genre | : Automatic control |
| ISBN | : |
Publishes theoretical and applied original papers in dynamic systems. Theoretical papers present new theoretical developments and knowledge for controls of dynamical systems together with clear engineering motivation for the new theory. Applied papers include modeling, simulation, and corroboration of theory with emphasis on demonstrated practicality.
