Automobile Ride, Handling, and Suspension
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Suspension Geometry and Computation
Suspension Geometry and Computation By the same author: The Shock Absorber Handbook, 2nd edn (Wiley, PEP, SAE) Tires, Suspension and Handling, 2nd edn (SAE, Arnold). The High-Performance Two-Stroke Engine (Haynes) Suspension Geometry and Computation John C. Dixon, PhD, F.I.Mech.E., F.R.Ae.S. Senior Lecturer in Engineering Mechanics The Open University, Great Britain. This edition first published 2009 Ó 2009 John Wiley & Sons Ltd Registered office John Wiley & Sons Ltd, The Atrium, Southern Gate, Chichester, West Sussex, PO19 8SQ, United Kingdom For details of our global editorial offices, for customer services and for information about how to apply for permission to reuse the copyright material in this book please see our website at www.wiley.com. The right of the author to be identified as the author of this work has been asserted in accordance with the Copyright, Designs and Patents Act 1988. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, except as permitted by the UK Copyright, Designs and Patents Act 1988, without the prior permission of the publisher. Wiley also publishes its books in a variety of electronic formats. Some content that appears in print may not be available in electronic books. Designations used by companies to distinguish their products are often claimed as trademarks. All brand names and product names used in this book are trade names, service marks, trademarks or registered trademarks of their respective owners. The publisher is not associated with any product or vendor mentioned in this book. -
Suspension by Design
Version 5.114A June 2021 SusProg3D - Suspension by Design Robert D Small All rights reserved. No parts of this work may be reproduced in any form or by any means - graphic, electronic, or mechanical, including photocopying, recording, taping, or information storage and retrieval systems - without the written permission of the publisher. Products that are referred to in this document may be either trademarks and/or registered trademarks of the respective owners. The publisher and the author make no claim to these trademarks. While every precaution has been taken in the preparation of this document, the publisher and the author assume no responsibility for errors or omissions, or for damages resulting from the use of information contained in this document or from the use of programs and source code that may accompany it. In no event shall the publisher and the author be liable for any loss of profit or any other commercial damage caused or alleged to have been caused directly or indirectly by this document. Printed: June 2021 Contents 3 Table of Contents Foreword 0 Part 1 Overview 12 1 SusProg3D................................................................................................................................... - Suspension by Design 12 2 PC hardware................................................................................................................................... and software requirements 14 3 To run the.................................................................................................................................. -
Double Wishbone Suspension System; a Research
International Journal of Recent Technology and Engineering (IJRTE) ISSN: 2277-3878, Volume-8 Issue-2, July 2019 Double Wishbone Suspension System; A Research Vignesh B S, Sufiyan Ahmed, Chandan V, Prashant Kumar Shrivastava Abstract: Advancements in science and technology, effective suspension is proportional to change in length of spring designs and newly advanced ways of manufacturing for the need where spring is either compressed or stretched based on to fulfill the customer expectations and to provide them better situation. Spring rate for a spring is defined as weight goods has let to these developments. With the invent and help of required for one inch deflection in spring, stiffer springs numerous mechatronic systems there is technological advancements in various automobile sectors and thus gave better require more weight and softer springs require less weight performance output A suspension system has responsibility of for unit inch of deflection. There are variable spring rates safety of both the vehicle and occupants by providing stability which can have both stiffer and softer spring rates in one and comfort ride during its maneuvers. Without the help of any spring called as progressive rate spring; suspension system, it would have made extremely hard for a driver to control a vehicle since all the shocks and vibrations would have been directly transmitted to steering without any damping. The main aim of this study to discuss about the designing and analysis of double wishbone suspension system for automobile. Keywords: Dependent Suspension, Independent Suspension, Double Wishbones, spring and Damper System I. INTRODUCTION Suspension is the system that connects vehicle body (chassis) to its wheels and allows relative motion between the two and hence isolating the vehicle from road shocks. -
Compliant Mechanism Suspensions
Brigham Young University BYU ScholarsArchive Theses and Dissertations 2006-06-02 Compliant Mechanism Suspensions Timothy Melvin Allred Brigham Young University - Provo Follow this and additional works at: https://scholarsarchive.byu.edu/etd Part of the Mechanical Engineering Commons BYU ScholarsArchive Citation Allred, Timothy Melvin, "Compliant Mechanism Suspensions" (2006). Theses and Dissertations. 434. https://scholarsarchive.byu.edu/etd/434 This Thesis is brought to you for free and open access by BYU ScholarsArchive. It has been accepted for inclusion in Theses and Dissertations by an authorized administrator of BYU ScholarsArchive. For more information, please contact [email protected], [email protected]. COMPLIANT MECHANISM SUSPENSIONS by Timothy M. Allred A thesis submitted to the faculty of Brigham Young University in partial fulfillment of the requirements for the degree of Master of Science Department of Mechanical Engineering Brigham Young University August 2003 BRIGHAM YOUNG UNIVERSITY GRADUATE COMMITTEE APPROVAL of a thesis submitted by Timothy M. Allred This thesis has been read by each member of the following graduate committee and by majority vote has been found to be satisfactory. ____________________________ _______________________________________ Date Larry L. Howell, Chair ___________________________ _______________________________________ Date Spencer P. Magleby ___________________________ _______________________________________ Date Robert H. Todd BRIGHAM YOUNG UNIVERSITY As chair of the candidate’s graduate committee, I have read the thesis of Timothy M. All- red in its final form and have found that (1) its format, citations, and bibliographical style are consistent and acceptable and fulfill university and department style requirements; (2) its illustrative materials including figures, tables, and charts are in place; and (3) the final manuscript is satisfactory to the graduate committee and is ready for submission to the university library. -
Review: Design and Failure Analysis of Front Lower Suspension Arm of Car
ISSN (Online) : 2319 - 8753 ISSN (Print) : 2347 - 6710 International Journal of Innovative Research in Science, Engineering and Technology An ISO 3297: 2007 Certified Organization Volume 6, Special Issue 1, January 2017 International Conference on Recent Trends in Engineering and Science (ICRTES 2017) 20th-21st January 2017 Organized by Research Development Cell, Government College of Engineering, Jalagon (M. S), India Review: Design and Failure analysis of Front Lower Suspension Arm of Car 1Tilottama A. Chaudhari, 2Er Navneet K. Patil , 3Jagruti R Surange P.G. Student, Department of Mechanical Engineering, S.S.B.T‘s, C.O.E.T., Bambhori, Jalgaon, Maharashtra, India 1 Associate Professor, Department of Mechanical Engineering, S.S.B.T‘s, C.O.E.T., Bambhori, Jalgaon, Maharashtra, India 2 Assistant professor, Department of Mechanical Engineering, S.S.B.T‘s, C.O.E.T., Bambhori, Jalgaon, Maharashtra, India 3 ABSTRACT: Suspension systems have been widely applied to vehicles, from the horse-drawn carriage with flexible leaf springs fixed in the four corners, to the modern automobile with complex control algorithms. The suspension of a road vehicle is usually designed with two objectives to isolate the vehicle body from road irregularities and to maintain contact of the wheels with the roadway. The suspension link allows wheels to rise and fall on their own without affecting the opposite wheel. In this case, the wheels are either not connected at all or are connected through universal joints with a swing axle. Suspensions with other devices, such as anti-roll bar that link the wheels in some way are still classed as independent suspension link. -
Suspension Development for a Prototype Urban Personal Vehicle Master’S Thesis in Automotive Engineering
Suspension development for a prototype Urban Personal Vehicle Master's thesis in Automotive Engineering SERGEJ ABYZOV Department of Applied Mechanics Division of Vehicle Engineering and Autonomous Systems Vehicle Dynamics Group CHALMERS UNIVERSITY OF TECHNOLOGY G¨oteborg, Sweden 2014 Master's thesis 2014:10 MASTER'S THESIS IN AUTOMOTIVE ENGINEERING Suspension development for a prototype Urban Personal Vehicle SERGEJ ABYZOV Department of Applied Mechanics Division of Vehicle Engineering and Autonomous Systems Vehicle Dynamics Group CHALMERS UNIVERSITY OF TECHNOLOGY G¨oteborg, Sweden 2014 Suspension development for a prototype Urban Personal Vehicle SERGEJ ABYZOV © SERGEJ ABYZOV, 2014 Master's thesis 2014:10 ISSN 1652-8557 Department of Applied Mechanics Division of Vehicle Engineering and Autonomous Systems Vehicle Dynamics Group Chalmers University of Technology SE-412 96 G¨oteborg Sweden Telephone: +46 (0)31-772 1000 Cover: Double lane change manouvre at a speed of 50 [km/h], with an anti-roll bar installed on the front axle. Chalmers Reproservice G¨oteborg, Sweden 2014 Suspension development for a prototype Urban Personal Vehicle Master's thesis in Automotive Engineering SERGEJ ABYZOV Department of Applied Mechanics Division of Vehicle Engineering and Autonomous Systems Vehicle Dynamics Group Chalmers University of Technology Abstract This thesis describes the process of suspension development for a prototype Urban Personal Vehicle (PUNCH). The PUNCH is a crash safe prototype of an Urban Personal Vehicle developed at the Chalmers University of Technology, Gothenburg, Sweden. The urban personal vehicle is designed for the dense urban areas of today. It's a small, car-like vehicle with space for one driver (and maybe one or two passengers) that is to be driven at city speeds (sub 50 [km/h]). -
Geometric Design of Independent Suspension Linkages
Geometric Design of Independent Suspension Linkages by David E. Kline A dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy (Mechanical Engineering) in the University of Michigan 2018 Doctoral Committee: Professor Gregory M. Hulbert, Chair Assistant Professor Evgueni Filipov Associate Professor C. David Remy Professor Kazuhiro Saitou David E. Kline [email protected] ORCID iD: 0000-0001-5194-1837 Copyright c 2018 by David E. Kline. Table of Contents List of Tables v List of Figures vi Abstract xii Chapter 1: Introduction 1 1.1 Basic Terms . 4 1.2 History of the Suspension . 7 1.3 Suspension Design . 17 1.4 Research Objectives . 34 1.5 Dissertation Format . 35 Chapter 2: Literature Review 37 2.1 Wheel Motion Specification . 37 2.2 Enumeration of Suspension Architectures . 45 2.3 Linkage Dimensioning . 52 2.4 Filtering Solutions . 56 2.5 Summary . 58 Chapter 3: Wheel Kinematics 59 3.1 Mathematical Preliminaries . 59 3.2 Wheel Motion . 61 3.3 Wheel Trajectory . 67 3.4 Example Trajectory . 71 ii Chapter 4: Number Synthesis 77 Chapter 5: The R Joint 81 5.1 Synthesis . 81 5.2 Synthesis Example . 86 5.3 Analysis . 87 5.4 Analysis Example . 91 Chapter 6: The S-S Link 96 6.1 Design Equations . 96 6.2 Synthesis Example . 98 6.3 Set-Based Design of the Five S-S Link Suspension . 101 6.4 Analysis of the Five S-S Link Suspension . 108 Chapter 7: The C Joint 111 7.1 Synthesis . 111 7.2 Synthesis Example . 113 7.3 An S-S Link for the C Joint . -
Design and Manufacture of an Adaptive Suspension System a Major Qualifying Project Report Submitted to the Faculty Of
Design and Manufacture of an Adaptive Suspension System A Major Qualifying Project Report submitted to the faculty of WORCESTER POLYTECHNIC INSTITUTE This report represents the work of WPI undergraduate students submitted to the faculty as evidence of completion of a degree requirement. WPI routinely publishes these reports on its website without editorial or peer review. For more information about the projects program at WPI, please see http://www.wpi.edu/academics/ugradstudies/project-learning.html In partial fulfillment of the requirements for the Degree of Bachelor Science By Michael Gifford, Mechanical Engineering Tanner Landis, Mechanical Engineering Cody Wood, Mechanical Engineering Date April 30, 2015 Professor Cagdas Onal, Advisor Siamak Ghorbani-Faal, Co-Advisor Abstract This project focuses on the design, development, evaluation, and analysis of an adjustable vehicle suspension system. This system is aimed to improve vehicle performance on all terrain conditions from rough to flat surfaces. The proposed design is accomplished through the modification of a double-triangulated four-bar linkage suspension. The modifications allow the upper links of the suspension system to change vertical position on-the-fly, to meet operator preference. The position change alters suspension geometry and therefore the performance characteristics of the vehicle; specifically the anti-squat which impacts vehicle sag and therefore traction. Thus, traction is directly controlled through adjustments to the suspension system. Through video motion analysis of a prototype vehicle before and after the proposed design modifications, we rigorously evaluated the effect of the adjustable suspension system. Future applications of this design are expected to improve the performance characteristics of vehicles of all sizes, ranging from mobile robots to automobiles.