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OverviewWhile the basic working principle and the mechanical construction of automatic transmissions has not changed significantly, increased requirements for performance, fuel economy, and drivability, as well as the increasing number of gears has made it more challenging to design the systems that control modern automatic transmissions. New types of transmissions continuously variable transmissions (CVT), dual clutch transmissions (DCT), and hybrid powertrains have presented added challenges. Gear shifting in today s automatic transmissions is a dynamic process that involves synchronised torque transfer from one clutch to another, smooth engine speed change, engine torque management, and minimisation of output torque disturbance. Dynamic analysis helps to understand gear shifting mechanics and supports creation of the best design for gear shift control systems in passenger cars, trucks, buses, and commercial vehicles. Based on the authors graduate-level teaching material, this well-illustrated book relays how the fundamental principles of hydraulics and control systems are applied to today s automatic transmissions. It opens with coverage of basic automatic transmission mechanics and then details dynamics and controls associated with modern automatic transmissions. Topics covered include: gear shifting mechanics and controls, dynamic models of planetary automatic transmissions, design of hydraulic control systems, learning algorithms for achieving consistent shift quality, torque converter clutch controls, centrifugal pendulum vibration absorbers, friction launch controls, shift scheduling and integrated powertrain controls, continuously variable transmission ratio controls, dual-clutch transmission controls, and more. The book includes many equations and clearly explained examples. Sample Simulink models of various transmission mechanical, hydraulic and control subsystems are also provided. Chapter Two, which covers planetary gear automatic transmissions, includes homework questions, making it ideal for classroom use. In addition to students, new engineers will find the book helpful because it provides the basics of transmission dynamics and control. More experienced engineers will appreciate the theoretical discussions that will help elevate the reader s knowledge. Although many automatic transmission-related books have been published, most focus on mechanical construction, operation principles, and control hardware. None tie the dynamic analysis, control system design, and analytic investigation of the mechanical, hydraulic, and electronic controls as does this book. Full Product DetailsAuthor: Shushan Bai , Joel M. Maguire , Huei PengPublisher: SAE International Imprint: SAE International Weight: 0.675kg ISBN: 9780768076042ISBN 10: 0768076048 Pages: 216 Publication Date: 28 February 2013 Audience: College/higher education , Professional and scholarly , Postgraduate, Research & Scholarly , Professional & Vocational Format: Hardback Publisher's Status: Active Availability: Temporarily unavailable  The supplier advises that this item is temporarily unavailable. It will be ordered for you and placed on backorder. Once it does come back in stock, we will ship it out to you. Table of ContentsReviewsAuthor InformationDr. Shushan Bai earned his BS degree in mechanical engineering from Huazhong University of Science and Technologies, China, and his MS and PhD degrees in electrical engineering from Hokkaido University, Japan, both in the field of automatic controls. In his 23 years with GM Powertrain, he worked on advanced development of automatic transmissions. He is an adjunct faculty member in the mechanical engineering department at the University of Michigan, USA. He has authored numerous technical publications and holds many patents. Joel M. Maguire received his graduate degree (MSOT) from Rensselaer Polytechnic Institute, USA and his undergraduate degree from Michigan Technological University, USA. He began his automotive career with General Motors in 1985 and currently is global innovation leader in GM Powertrain s advanced hybrid group. His work has involved design, development, and analysis of automatic and manual transmissions, as well as experimental transmission projects in North America and Europe. He holds dozens of drivetrain-related patents. Dr. Huei Peng received his PhD from the University of California, Berkeley, USA. He is a professor in the mechanical engineering department at the University of Michigan, USA. His research interests include adaptive control and optimal control, with emphasis on their applications to vehicular and transportation systems. His current research focuses include design and control of hybrid vehicles and vehicle active safety systems. He has authored numerous technical papers and three books. Dr. Peng received the National Science Foundation (NSF) Career award in 1998, and is an ASME Fellow and Chang Jiang Scholar at Tsinghua University, China. Tab Content 6Author Website:Countries AvailableAll regions |
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