Analytical Study of a Dog Clutch in Automatic Transmission Application
Analytical Study of a Dog Clutch in Automatic Transmission Application
- New search for: Duan, Chengwu
- New search for: Duan, Chengwu
A dog clutch, if successfully implemented in an automatic transmission, provides better packaging and the potential for improved fuel economy. The technical requirements for this concept are examined through modeling and simulation. As a first step, a physics-based component level model is developed that provides an understanding of the basic contact and impact dynamics. The model is compared to a built-in AMESim block to establish confidence. This component level model is then integrated into a powertrain system model within the AMESim environment. As a test bed, the powertrain model is exercised to simulate a friction plate to dog clutch shift in a 6-speed automatic transmission. The analysis helps to define the slip speed target at the onset of the dog clutch engagement while ensuring shift requirements are met. Finally, the model is validated by comparing the simulated results with measured dynamometer data.
Document information
Analytical Study of a Dog Clutch in Automatic Transmission Application
Sae International Journal of Passenger Cars. Mechanical Systems
Sae Int. J. Passeng. Cars - Mech. Syst
SAE 2014 World Congress & Exhibition ; 2014
Sae International Journal of Passenger Cars - Mechanical Systems ; 7 , 3 ; 1155-1162
2014-04-01
8 pages
Conference paper
English
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