Simulation of Preview Controlled Active Suspension for Convoy Vehicles
Author | : Md. Mustafizur Rahman |
Publisher | : |
Total Pages | : 280 |
Release | : 2012 |
Genre | : Active automotive suspensions |
ISBN | : |
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Author | : Md. Mustafizur Rahman |
Publisher | : |
Total Pages | : 280 |
Release | : 2012 |
Genre | : Active automotive suspensions |
ISBN | : |
Author | : Mustafizur Rahman |
Publisher | : LAP Lambert Academic Publishing |
Total Pages | : 164 |
Release | : 2012 |
Genre | : |
ISBN | : 9783659284830 |
Desiging a vehicle supension that can give very good ride comfort along with crisp handling has been a subject for researchers for the last three decades. Research shows that active suspension can give superior performance over passive and semi-active suspension systems. Preview controlled active suspension can further improve the performance but faces the issue of sensing the road ahead of the vehicle. Previous applications of preview control have used look-ahead sensors mounted on the front bumper to measure terrain beneath. Such sensors are vulnerable, potentially confused by water, snow, or other soft obstacles; and offer a fixed preview time. For convoy vehicle applications, this book proposes using the overall response of the preceding vehicle(s) to generate preview controller information for follower vehicles. A robust observer is used to estimate the states of a quarter car vehicle model, from which road profile is estimated and passed on to the follower vehicle(s) to generate a preview function. The preview-active suspension, implemented in discrete time using a shift register approach to improve simulation time shows improvements in ride quality and road holding property
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 | : 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 | : Weichao Sun |
Publisher | : Springer |
Total Pages | : 231 |
Release | : 2019-03-13 |
Genre | : Technology & Engineering |
ISBN | : 3030157857 |
This book focuses on most recent theoretical findings on control issues for active suspension systems. The authors first introduce the theoretical background of active suspension control, then present constrained H∞ control approaches of active suspension systems in the entire frequency domain, focusing on the state feedback and dynamic output feedback controller in the finite frequency domain which people are most sensitive to. The book also contains nonlinear constrained tracking control via terminal sliding-mode control and adaptive robust theory, presenting controller design of active suspensions as well as the reliability control of active suspension systems. The target audience primarily comprises research experts in control theory, but the book may also be beneficial for graduate students alike.
Author | : Mustefa Jibril |
Publisher | : GRIN Verlag |
Total Pages | : 7 |
Release | : 2020-05-11 |
Genre | : Computers |
ISBN | : 3346164209 |
Research Paper (undergraduate) from the year 2020 in the subject Computer Science - Miscellaneous, , language: English, abstract: This paper offers with the theoretical and computational evaluation of optimal & robust control problems, with the goal of providing answers to them with MATLAB simulation. For the robust control, μ-synthesis controller and for the optimal control, LQR controller are designed for a quarter car active suspension system to maximize the ride comfort and road handling criteria’s of the vehicle. The proposed controllers are designed using Matlab script program using time domain analysis for the four road disturbances (bump, random sine pavement and white noise) for the control targets suspension deflection, body acceleration and body travel. Finally the simulation result prove the effectiveness of the active suspension system with μ-synthesis controller.
Author | : |
Publisher | : |
Total Pages | : 8 |
Release | : 1995 |
Genre | : |
ISBN | : |
This document summarizes work carried out to develop a preview control system capable of determining the profile of the ground ahead of the Canadian Forces Iltis utility vehicle and feeding this information back to the active suspension system in order to improve its ability to enhance vehicle ride and handling performance. Work included a literature review, preview system development, design and procurement, computer simulation and control scheme development, installation, and testing. Details of the system are described in companion reports which are referred to in the body of this report.
Author | : Haiping Du |
Publisher | : CRC Press |
Total Pages | : 323 |
Release | : 2023-12-18 |
Genre | : Technology & Engineering |
ISBN | : 1000999297 |
This book covers complex issues for a vehicle suspension model, including non-linearities and uncertainties in a suspension model, network-induced time delays, and sampled-data model from a theoretical point of view. It includes control design methods such as neural network supervisory, sliding mode variable structure, optimal control, internal-model principle, feedback linearization control, input-to-state stabilization, and so on. Every control method is applied to the simulation for comparison and verification. Features: Includes theoretical derivation, proof, and simulation verification combined with suspension models Provides the vibration control strategies for sampled-data suspension models Focuses on the suspensions with time-delays instead of delay-free Covers all the models related to quarter-, half-, and full-vehicle suspensions Details rigorous mathematical derivation process for each theorem supported by MATLAB®-based simulation This book is aimed at researchers and graduate students in automotive engineering, vehicle vibration, mechatronics, control systems, applied mechanics, and vehicle dynamics.