Authors: Essam L Esmail
Publish Date: 2016/01/13
Volume: 30, Issue: 1, Pages: 211-220
Abstract
Many Lepelletiertype automatic transmissions are in production Some of Lepelletier related configurations are still far from reaching maximum possible sequential speed ratios This work focuses on analyzing and developing twelvelink threeDOF Lepelletiertype automatic transmissions to attain maximum speed ratios Following the general trend of increased shift stages and a wider range of speed ratios new tenspeed automatic transmissions are enumerated from the twelvelink threeDOF Lepelletier gear mechanisms Furthermore a tenspeed automatic transmission is modified from an existing eightspeed Lepelletiertype automatic transmission The results show that the twelvelink threeDOF Lepelletier gear mechanism could reach eleven forward speeds at most Nomographs are shown to be practical in detecting possible configurations and their clutching sequencesEssam Lauibi Esmail received the BS and MS from the Department of Mechanical Engineering Baghdad University Baghdad Iraq in 1980 and 1985 respectively His PhD in Mechanical Engineering is from the University of Technology in 2009 He is currently an assistant professor in the Department of Mechanical Engineering University of Qadisiyah His research interests include mechanisms machine theory design methodology automotive engineering hybrid transmissions robot manipulators fuzzy logic control and genetic algorithm optimization
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