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Simulation Based Optimization of a Motorcycle Drive Train by the Integration of a Novel Continuously Variable Planetary Transmission
Technical Paper
2017-32-0071
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Meeting upcoming emission limits such as EURO 5 with comparatively simple and low-cost vehicles will be very challenging. On the engine side, a big effort in terms of fuelling, combustion optimization as well as exhaust gas aftertreatment will be necessary without any doubt. Besides that, additional system optimization potential can be gained by a systematic adaptation of the drive train. One approach is to use a CVT (Continuously Variable Transmission) system to run engines in specific ranges with good fuel economy. However, existing belt driven CVTs show comparatively poor efficiencies. To overcome this drawback, the integration of a novel Continuously Variable Planetary Transmission (CVP), designed and developed by Fallbrook Technologies, was investigated in detail. For this purpose, a longitudinal dynamics simulation in Matlab-Simulink was carried out to compare a standard mass production vehicle drive train with several CVP setups.
Authors
- Jürgen Tromayer - Graz University of Technology, Institute for Internal Combus
- Michael Gaber - Graz University of Technology, Institute for Internal Combus
- Roland Kirchberger - Graz University of Technology, Institute for Internal Combus
- Fern Thomassy - Fallbrook Technologies, Inc.
- Scott McBroom - Fallbrook Technologies, Inc.
Topic
Citation
Tromayer, J., Gaber, M., Kirchberger, R., Thomassy, F. et al., "Simulation Based Optimization of a Motorcycle Drive Train by the Integration of a Novel Continuously Variable Planetary Transmission," SAE Technical Paper 2017-32-0071, 2017, https://doi.org/10.4271/2017-32-0071.Data Sets - Support Documents
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References
- COMMISSION DELEGATED REGULATION (EU) 134/2014 16 December 2013
- Press Release ‘ Fallbrook Technologies Inc. Announces NuVinci® Core™ Software Tool Now Available for Use with Simulink® ’
- SAE 2000-01-1441 ‘ AVL Approach for 100km/ltr Fuel Economy in a 2-Wheeler Production Vehicle ’
- SAE TECHNICAL PAPER SERIES 982052 ‘ Development of a 150cc, 4-Valve CVT Engine for Future Emission and Noise Limits ’
- SAE Technical Paper 2014-32 ‘ Strategies for Emission Reduction on Small Capacity Two-Wheelers with Regard to Future Legislative Limits ’