Robust Control of a Semi-active Suspension System
Author | : Major Udisien Sampson Ibama |
Publisher | : |
Total Pages | : 110 |
Release | : 2013 |
Genre | : Automobiles |
ISBN | : |
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Author | : Major Udisien Sampson Ibama |
Publisher | : |
Total Pages | : 110 |
Release | : 2013 |
Genre | : Automobiles |
ISBN | : |
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 | : 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 | : 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 | : Hongyi Li |
Publisher | : |
Total Pages | : |
Release | : 2012 |
Genre | : |
ISBN | : |
A vehicle active suspension system. in comparison with its counterparts, plays a crucial role in adequately guarantee the stability of the vehicle and improve the suspension performances. With a full understanding of the state of the art in vehicle control systems. this thesis identifies key issues in robust control design for active suspension systems with uncertainty. contributes to enhance the suspension performances via handling tradeoffs between ride comfort. road holding and suspension deflection. Priority of this thesis is to emphasize the contributions in handing actuator-related challenges and suspension model parameter uncertainty The challenges in suspension actuators are identified a time-varying actuator delay and actuator faults. Time-varying delay and its effects in suspension actuators are targeted and analyzed. By removing the assumptions from the state of the art methods. state-feedback and output-feedback controller design methods are proposed to design less conservative state-feedback and output-feedback controller existence conditions. It overcomes the challenges brought by generalized time- varying actuator delay. On the other hand. a novel fault-tolerant controller design algorithm is developed for active suspension systems with uncertainty of actuator faults. A continuous-time homogeneous Xlarkov process is presented for modeling the actuator failure process. The fault-tolerant H∞ controller is designed to guarantee asymptotic the stability, H∞c performance. and the constrained performance with existing possible actuator failures. It is evident that vehicle model parameter uncertainty is a vital factor affecting the performances of suspension control system. Consequently. this thesis presents two robust control solutions to over- come suspension control challenges with nonlinear constraints. A novel fuzzy control design algorithm is presented for active suspension systems with uncertainty. By using the sector nonlinearity method. Takagi-Sugeno (T-S) fuzzy systems are used to model the system. Based on Lyapunov stability theory. a new reliable fuzzy controller is designed to improve suspension performances. A novel adaptive sliding mode controller design approach is also developed for nonlinear uncertain vehicle active suspension systems. An adaptive sliding mode controller is designed to guarantee the stability and improve the suspension performances. In conclusion, novel control design algorithms are proposed for active suspension systems with uncertainty in order to guarantee and improve the suspension performance. Simulation results and comparison with the state of the art methods are provided to evaluate the effectiveness of the research contributions. The thesis shows in- sights into practical solutions to vehicle active suspension systems. it is expected that these algorithms will have significant potential in industrial applications and electric vehicles industry.
Author | : Mahmood Ali Moqbel Obaid |
Publisher | : |
Total Pages | : 0 |
Release | : 2011 |
Genre | : Automatic control |
ISBN | : |
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 | : Mahmood Ali Moqbel Obaid |
Publisher | : |
Total Pages | : 67 |
Release | : 2011 |
Genre | : Automatic control |
ISBN | : |
Author | : Mohammadjavad Zeinali |
Publisher | : |
Total Pages | : 76 |
Release | : 2012 |
Genre | : Automobile mechanics |
ISBN | : |