Download or read book Adaptation of a TruckSim Model to Experimental Heavy Truck Hard Braking Data written by Jiantao Deng and published by . This book was released on 2009 with total page 155 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: One of the priorities of today's research and development in the automotive industry is to enhance the safety of any vehicle; which is achieved by implementing anti-lock braking systems. Developments to enhance vehicle safety are through extensive research, simulations, and testing. This research focuses on the development and performances of a model of a tractor-semitrailer in straight-ahead braking with all brakes functioning correctly, as well as the behavior of heavy truck braking with selected brakes disabled.
Download or read book Effects of ABS Controller Parameters on Heavy Truck Model Braking Performance written by Matthew Leonard Shurtz and published by . This book was released on 2006 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: The National Highway Traffic Safety Administration (NHTSA) aims to keep America's roadways safe for vehicle operators, passengers, and pedestrians; a key component to this mission is the element of crash avoidance. Because so many injury related accidents involve heavy trucks, that sector is of significant concern. Most heavy truck braking accidents result from a failure to control under extreme braking maneuvers. One component which has aided this problem is the implementation of anti-lock braking systems (ABS) into these vehicles. In order to study the ABS braking behavior of these vehicles, models were created to accurately simulate their braking behaviors, by using the vehicle dynamics software package TruckSim along with Simulink, which was used to create brake and ABS controller models. These models were run in parallel to create a full vehicle simulation. A model of a 6x4 Peterbilt straight truck was completed in 2004, which used this same modeling scheme. An ABS controller model was developed that accurately mimicked the behavior of the Peterbilt's ABS system, verified through experimental data. This model was upgraded in this study to include better modeling of brake treadle and chamber pressures and also to include the capability of modeling other ABS configurations. The previous ABS model simulated a 6s6m system, in which the wheel speeds of all six wheels were monitored and the brakes of each wheel could be modulated independently. Through modifications to the model in this study, 4s4m and 4s3m ABS configurations can now be studied. The new Peterbilt model was then verified by comparison to experimental data, and was found to accurately model the response of the Peterbilt for each ABS configuration. The ABS controller model was then manipulated to be used for the simulation of a tractor-trailer combination vehicle. Again, TruckSim models were created for a 4x2 Sterling tractor and a 48 ft, 2-axle van trailer. Also, an individual ABS controller model was created for each by matching the simulated response of the vehicle to experimentally determined results. In addition, the ABS controller model of the trailer included the capability of simulating 4s4m, 4s2m, and 2slm ABS systems. Through this process, a tractor-trailer model was completed so that the effects of various ABS controller parameters and ABS configurations could be studied for the vehicle. A total of five different ABS systems were created for the trailer model. The first of those was a 2s 1 m system, which was created to simulate an experimentally studied trailer ABS system. This 2slm system was then used to create a 4s2m and a 4s4m system that had the exact same controller parameters. Two additional 2slm systems were created, one of which was designed to perform poorly in straight-ahead braking situations and the other was designed to perform poorly in brake-in-curve situations. More details of these models will be given later in this report. Straight-ahead braking and brake-in-curve simulations were conducted to study the longitudinal and lateral effectiveness of the tractor-trailer equipped with these five different ABS systems. It was found that upgrading to a 4s2m or 4s4m ABS system resulted in no discernable difference in longitudinal braking performance. Also, it was shown that a very aggressive trailer ABS system (allows a very low amount of slip to develop in the tires) will perform poorly in longitudinal braking situations but will perform very well in lateral tests. The opposite is true for an ABS system that is very lax, in that the controller allows a great deal of wheel slip (approaching lock-up). Finally, it was discovered that the optimum ABS controller system for lateral braking performance will include select-low logic.
Download or read book Development of a Heavy Truck Vehicle Dynamics Model Using TruckSim and Model Based Design of ABS and ESC Controllers in Simulink written by Shreesha Yogish Rao and published by . This book was released on 2013 with total page 375 pages. Available in PDF, EPUB and Kindle. Book excerpt: A hardware-in-the-loop (HIL) simulation of a heavy truck ABS system was setup in order to better understand the ABS control strategy and various activation thresholds involved. The test bench consists of six (6) brake chambers, ABS modulator valves, ABS electronic control unit from a commercial supplier, two air reservoirs, wheel speed sensors and pressure sensors for measuring the individual brake chamber pressures. dSPACE midsize was used to interface the vehicle model in TruckSim.
Download or read book Vehicle Dynamics and Control written by Rajesh Rajamani and published by Springer Science & Business Media. This book was released on 2011-12-21 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Download or read book Robust Control and Linear Parameter Varying Approaches written by Olivier Sename and published by Springer. This book was released on 2013-02-01 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vehicles are complex systems (non-linear, multi-variable) where the abundance of embedded controllers should ensure better security. This book aims at emphasizing the interest and potential of Linear Parameter Varying methods within the framework of vehicle dynamics, e.g. proposed control-oriented model, complex enough to handle some system non linearities but still simple for control or observer design, take into account the adaptability of the vehicle's response to driving situations, to the driver request and/or to the road sollicitations, manage interactions between various actuators to optimize the dynamic behavior of vehicles. This book results from the 32th International Summer School in Automatic that held in Grenoble, France, in September 2011, where recent methods (based on robust control and LPV technics), then applied to the control of vehicle dynamics, have been presented. After some theoretical background and a view on some recent works on LPV approaches (for modelling, analysis, control, observation and diagnosis), the main emphasis is put on road vehicles but some illustrations are concerned with railway, aerospace and underwater vehicles. The main objective of the book is to demonstrate the value of this approach for controlling the dynamic behavior of vehicles. It presents, in a rm way, background and new results on LPV methods and their application to vehicle dynamics.
Download or read book Roadside Safety Appurtenances written by National Research Council (U.S.). Transportation Research Board and published by . This book was released on 1978 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Control of Linear Parameter Varying Systems with Applications written by Javad Mohammadpour and published by Springer Science & Business Media. This book was released on 2012-03-08 with total page 554 pages. Available in PDF, EPUB and Kindle. Book excerpt: Control of Linear Parameter Varying Systems compiles state-of-the-art contributions on novel analytical and computational methods for addressing system identification, model reduction, performance analysis and feedback control design and addresses address theoretical developments, novel computational approaches and illustrative applications to various fields. Part I discusses modeling and system identification of linear parameter varying systems, Part II covers the importance of analysis and control design when working with linear parameter varying systems (LPVS) , Finally, Part III presents an applications based approach to linear parameter varying systems, including modeling of a turbocharged diesel engines, Multivariable control of wind turbines, modeling and control of aircraft engines, control of an autonomous underwater vehicles and analysis and synthesis of re-entry vehicles.
Download or read book Energy Efficient Driving of Road Vehicles written by Antonio Sciarretta and published by Springer. This book was released on 2019-08-01 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book elaborates the science and engineering basis for energy-efficient driving in conventional and autonomous cars. After covering the physics of energy-efficient motion in conventional, hybrid, and electric powertrains, the book chiefly focuses on the energy-saving potential of connected and automated vehicles. It reveals how being connected to other vehicles and the infrastructure enables the anticipation of upcoming driving-relevant factors, e.g. hills, curves, slow traffic, state of traffic signals, and movements of nearby vehicles. In turn, automation allows vehicles to adjust their motion more precisely in anticipation of upcoming events, and to save energy. Lastly, the energy-efficient motion of connected and automated vehicles could have a harmonizing effect on mixed traffic, leading to additional energy savings for neighboring vehicles. Building on classical methods of powertrain modeling, optimization, and optimal control, the book further develops the theory of energy-efficient driving. In addition, it presents numerous theoretical and applied case studies that highlight the real-world implications of the theory developed. The book is chiefly intended for undergraduate and graduate engineering students and industry practitioners with a background in mechanical, electrical, or automotive engineering, computer science or robotics.
Download or read book Transition Curves for Highway Geometric Design written by Andrzej Kobryń and published by Springer. This book was released on 2017-02-22 with total page 133 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides concise descriptions of the various solutions of transition curves, which can be used in geometric design of roads and highways. It presents mathematical methods and curvature functions for defining transition curves.
Download or read book Automotive Control Systems written by A. Galip Ulsoy and published by Cambridge University Press. This book was released on 2012-04-30 with total page 407 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook introduces advanced control systems for vehicles, including advanced automotive concepts and the next generation of vehicles for ITS.
Download or read book Automotive Ergonomics written by Nikolaos Gkikas and published by CRC Press. This book was released on 2016-04-19 with total page 187 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the last 20 years, technological developments have set new standards in driver-vehicle interaction. These developments effect the entire lifecycle, from the moment a customer enters a dealership to examine a prospective vehicle, to the driving experience during the vehicle lifecycle, and the interaction with other road users and facilities in pl
Download or read book Ergonomics and Health Aspects of Work with Computers written by Marvin J. Dainoff and published by Springer. This book was released on 2007-08-24 with total page 403 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the refereed proceedings of the International Conference on Ergonomics and Health Aspects of Work with Computers, EHAWC 2007, held in Beijing, China in July 2007 in the framework of the 12th International Conference on Human-Computer Interaction, HCII 2007 with 8 other thematically similar conferences. It covers health and well being in the working environment as well as ergonomics and design.
Download or read book Off road Vehicle Dynamics written by Hamid Taghavifar and published by Springer. This book was released on 2016-07-27 with total page 191 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book deals with the analysis of off-road vehicle dynamics from kinetics and kinematics perspectives and the performance of vehicle traversing over rough and irregular terrain. The authors consider the wheel performance, soil-tire interactions and their interface, tractive performance of the vehicle, ride comfort, stability over maneuvering, transient and steady state conditions of the vehicle traversing, modeling the aforementioned aspects and optimization from energetic and vehicle mobility perspectives. This book brings novel figures for the transient dynamics and original wheel terrain dynamics at on-the-go condition.
Download or read book Model Predictive Control mit MATLAB und Simulink written by Rainer Dittmar and published by BoD – Books on Demand. This book was released on 2019-12-04 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modellbasierte prädiktive Regelungen dienen der Lösung anspruchsvoller Aufgaben der Mehrgrößenregelung mit Beschränkungen der Stell- und Regelgrößen. Sie werden in der Industrie in vielen Bereichen erfolgreich eingesetzt. Mit der MPC ToolboxTM des Programmsystems MATLAB®/Simulink® steht ein Werkzeug zur Verfügung, das sowohl in der industriellen Praxis als auch an Universitäten und Hochschulen verwendet wird. Das vorliegende Buch gibt eine Übersicht über die Grundideen und Anwendungsvorteile des MPC-Konzepts. Es zeigt, wie mit Hilfe der Toolbox MPC-Regelungen entworfen, eingestellt und simuliert werden können. Ausgewählte Beispiele aus dem Bereich der Verfahrenstechnik demonstrieren mögliche Vorgehensweisen und vertiefen das Verständnis. Das Buch richtet sich an in der Industrie tätige Ingenieure, die MPC-Regelungen planen, entwickeln und betreiben, aber auch an Studierende technischer Fachdisziplinen, die in das Arbeitsgebiet MPC einsteigen wollen. Model Predictive Control (MPC) is used to solve challenging multivariable-constrained control problems. MPC systems are successfully applied in many different branches of industry. The MPC ToolboxTM of MATLAB®/Simulink® provides powerful tools for industrial MPC application, but also for education and research at technical universities. This book gives an overview of the basic ideas and advantages of the MPC concept. It shows how MPC systems can be designed, tuned, and simulated using the MPC Toolbox. Selected process engineering benchmark examples are used to demonstrate typical design approaches and help deepen the understanding of MPC technologies. The book is aimed at engineers in industry interested in the development and application of MPC systems, as well as students of different technical disciplines seeking an introduction into this field.This book gives an overview of the basic ideas and advantages of the MPC concept. It shows how MPC systems can be designed, tuned, and simulated using the MPC Toolbox. Selected process engineering benchmark examples are used to demonstrate typical design approaches and help deepen the understanding of MPC technologies. The book is aimed at engineers in industry interested in the development and application of MPC systems, as well as students of different technical disciplines seeking an introduction into this field.
Download or read book Behavioural Research in Road Safety written by Graham Grayson and published by . This book was released on 2001-08-07 with total page 229 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of these seminars is to provide a forum for the exchange of ideas and views among an invited group of academics and road safety consultants working in behavioural research programmes both in GB and overseas. This seminar's topics included: driver attitudes and behaviour; speed; occupational risk; learner and novice driver issues; the older driver; impairment.
Download or read book Fundamentals of Vehicle Dynamics written by Thomas Gillespie and published by SAE International. This book was released on 2021-04-29 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: A world-recognized expert in the science of vehicle dynamics, Dr. Thomas Gillespie has created an ideal reference book that has been used by engineers for 30 years, ranging from an introduction to the subject at the university level to a common sight on the desks of engineers throughout the world. As with the original printing, Fundamentals of Vehicle Dynamics, Revised Edition, strives to find a middle ground by balancing the need to provide detailed conceptual explanations of the engineering principles involved in the dynamics of ground vehicles with equations and example problems that clearly and concisely demonstrate how to apply such principles. A study of this book will ensure that the reader comes away with a solid foundation and is prepared to discuss the subject in detail. Ideal as much for a first course in vehicle dynamics as it is a professional reference, Fundamentals of Vehicle Dynamics, Revised Edition, maintains the tradition of the original by being easy to read and while receiving updates throughout in the form of modernized graphics and improved readability. Inasmuch as the first edition proved to be so popular, the Revised Edition intends to carry on that tradition for a new generation of engineers.
Download or read book Sliding Mode Control written by Andrzej Bartoszewicz and published by BoD – Books on Demand. This book was released on 2011-04-11 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main objective of this monograph is to present a broad range of well worked out, recent application studies as well as theoretical contributions in the field of sliding mode control system analysis and design. The contributions presented here include new theoretical developments as well as successful applications of variable structure controllers primarily in the field of power electronics, electric drives and motion steering systems. They enrich the current state of the art, and motivate and encourage new ideas and solutions in the sliding mode control area.
