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IHS Automotive Sectoral Report Supplierbusiness the Advanced Chassis Systems Report IHS Automotive Sectoral Report SupplierBusiness The Advanced Chassis Systems Report 2013 edition supplierbusiness.com IHS Automotive SupplierBusiness | The Advanced Chassis Systems Report Contents Introduction ..................................................................................................................................................................... 6 Electrification within the chassis .............................................................................................................................. 7 Chassis performance .................................................................................................................................................. 9 Design compromise ..................................................................................................................................................... 9 Manufacturing economics ........................................................................................................................................ 10 Platform development and component commonality ........................................................................................... 11 Noise vibration harshness ........................................................................................................................................ 13 Key Development drivers ............................................................................................................................................. 14 Greenhouse gas emissions and fuel efficiency ..................................................................................................... 14 The European Union .................................................................................................................................................. 14 The United States ....................................................................................................................................................... 15 Japan ......................................................................................................................................................................... 16 China ......................................................................................................................................................................... 16 Other countries ...........................................................................................................................................................17 Chassis materials developments ............................................................................................................................. 17 Increasing electrification .......................................................................................................................................... 21 Electronic systems integration .................................................................................................................................... 21 The packaging dilemma ............................................................................................................................................ 25 The future for chassis design ................................................................................................................................... 26 Suspension systems..................................................................................................................................................... 28 Challenges and barriers ............................................................................................................................................ 31 Suspension technology development ........................................................................................................................ 34 passive moving to active .......................................................................................................................................... 34 Kinematics and elastokinematics ........................................................................................................................... 35 Suspension element technology ............................................................................................................................. 36 Control arms .............................................................................................................................................................. 36 Spring systems .......................................................................................................................................................... 39 Active body control.................................................................................................................................................... 39 Anti-roll or stabiliser systems ...................................................................................................................................... 40 Adaptive damping system ........................................................................................................................................ 42 Air suspension ........................................................................................................................................................... 43 Pneumatic and hydropneumatic systems ................................................................................................................... 43 The ‘skyhook control strategy .................................................................................................................................... 47 Active suspension systems ...................................................................................................................................... 47 Electronic Damper Control (EDC) ............................................................................................................................... 47 Active Suspension Geometry (ASG) ........................................................................................................................... 48 Semi-active suspension ............................................................................................................................................ 49 BWI MagneRide: Magneto-rheological damping ........................................................................................................ 49 Active electronic suspension system ..................................................................................................................... 51 Recuperative damping systems ................................................................................................................................. 52 Future trends .............................................................................................................................................................. 53 Chassis and corner modules ....................................................................................................................................... 55 Steering systems .......................................................................................................................................................... 58 IHS Automotive SupplierBusiness COPYRIGHT NOTICE AND LEGAL DISCLAIMER © 2013 IHS. No portion of this report may be reproduced, reused, or otherwise distributed in any form without prior written consent, with the exception of any internal client distribution as may be permitted in the license agreement between client and IHS. Content reproduced or redistributed with IHS permission must display IHS legal notices and attributions of authorship. The information contained herein is from sources considered reliable but its accuracy and completeness are not warranted, nor are the opinions and analyses which are based upon it, and to the extent permitted by law, IHS shall not be liable for any errors or omissions or any loss, damage or expense incurred by reliance on information or any statement contained herein. For more information, please contact IHS at [email protected], +1 800 IHS CARE (from North American locations), or +44 (0) 1344 328 300 (from outside North America). All products, company names or other marks appearing in this publication are the trademarks and property of IHS or their respective owners. 2013 edition 2 © 2013 IHS IHS Automotive SupplierBusiness | The Advanced Chassis Systems Report Electrically Power Assisted Steering (EPAS) ......................................................................................................... 58 Surface acoustic wave ............................................................................................................................................... 60 Software enabled features ......................................................................................................................................... 61 Electro-Hydraulic Power Steering (EHPS) .............................................................................................................. 61 Electric Power Steering (EPS) .................................................................................................................................. 62 Active Front Steering (AFS) ......................................................................................................................................... 62 Four-wheel steering .................................................................................................................................................
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