A simulation technology has been developed to predict the transmission efficiency of a metal pushing V-belt and pulleys that make up the drive system of a continuously variable transmission (CVT). When a CVT operates in an actual vehicle, pulley thrust pressure is adjusted by feedback control to maintain a speed ratio. This feedback control has been implemented, for the first time, in an existing simulation that predicts the dynamic behavior of a metal V-belt using explicit structural analysis. The new simulation enables stable control of a target speed ratio when appropriate gains are set for each analysis condition. Using this simulation, the following values can be obtained: 1) pulley thrust pressure that is necessary for maintaining a specified speed ratio but could previously be derived only from physical testing, 2) transmission efficiency of a CVT drive system, consisting of a metal pushing V-belt and pulleys, at each operating condition, and 3) belt friction losses calculated from sliding velocities and friction forces applied to element contact surfaces.
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ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis
July 12–14, 2010
Istanbul, Turkey
Conference Sponsors:
- International
ISBN:
978-0-7918-4919-4
PROCEEDINGS PAPER
Dynamics of CVT Metal Pushing V-Belt Co-Simulating With Feedback Control and Finite Element Analysis Available to Purchase
Toshihiro Saito
Toshihiro Saito
Honda R&D Co., Ltd., Haga, Tochigi, Japan
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Toshihiro Saito
Honda R&D Co., Ltd., Haga, Tochigi, Japan
Paper No:
ESDA2010-25185, pp. 387-395; 9 pages
Published Online:
December 28, 2010
Citation
Saito, T. "Dynamics of CVT Metal Pushing V-Belt Co-Simulating With Feedback Control and Finite Element Analysis." Proceedings of the ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis. ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis, Volume 5. Istanbul, Turkey. July 12–14, 2010. pp. 387-395. ASME. https://doi.org/10.1115/ESDA2010-25185
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