Insight into Magnetorheological Shock Absorbers
This book deals with magnetorheological fluid theory, modeling and applications of automotive magnetorheological dampers. On the theoretical side a review of MR fluid compositions and key factors affecting the characteristics of these fluids is followed b
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ght into Magnetorheological Shock Absorbers
Insight into Magnetorheological Shock Absorbers
Janusz Gołdasz Bogdan Sapiński •
Insight into Magnetorheological Shock Absorbers
123
Bogdan Sapiński Department of Process Control AGH University of Science and Technology Kraków Poland
Janusz Gołdasz BWI Group Technical Center Kraków Kraków Poland and Chair of Automation and Information Technology Cracow University of Technology Kraków Poland
ISBN 978-3-319-13232-7 DOI 10.1007/978-3-319-13233-4
ISBN 978-3-319-13233-4
(eBook)
Library of Congress Control Number: 2014954608 Springer Cham Heidelberg New York Dordrecht London © Springer International Publishing Switzerland 2015 This work is subject to copyright. All rights are reserved by the Publisher, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilms or in any other physical way, and transmission or information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed. The use of general descriptive names, registered names, trademarks, service marks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. The publisher, the authors and the editors are safe to assume that the advice and information in this book are believed to be true and accurate at the date of publication. Neither the publisher nor the authors or the editors give a warranty, express or implied, with respect to the material contained herein or for any errors or omissions that may have been made. Printed on acid-free paper Springer International Publishing AG Switzerland is part of Springer Science+Business Media (www.springer.com)
Foreword I
Direct transduction in hydraulic actuators (the production of useful output from a command signal without the intervention of a valving scheme), has been the dream of many hydraulic engineers who have struggled with the design of fast, stable, and reliable hydraulic valves. In the field of controllable suspension dampers, the design of responsive and well-behaved valves is an extremely difficult task due to the wide varying flow and pressure conditions within these dampers. This was the primary motivation for the development and use of both Magneto-Rheological (MR) and Electro-Rheological (ER) fluids in automotive semi-active suspension systems in the early 2000s (MagneRide™ by Delphi Automotive Systems, Corp/BWI Group) and in the early 2010s (eRRide™ by Fludicon GmbH), respectively. The development of a novel technology has never been easy, and mastering a multidisciplinary one at a level sufficient for design of useful applications is even more demanding. Even though the controllable MR fluids were invented over 50 years ago, it was the more recent developments in the fields of MR fluids, suspension control al
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