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A Purely Mechanical Energy Storing Concept for Hybrid Vehicles
ISSN: 0148-7191, e-ISSN: 2688-3627
Published October 27, 2003 by SAE International in United States
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The paper contains the design and simulation of a purely mechanical system for storing energy during vehicle deceleration, which can be utilized during subsequent acceleration (regenerative braking). A continuously variable transmission (CVT) regulates the energy transfer, energy storage is accomplished by means of a spiral spring and additional use of a planetary transmission. The transmission ratio of the CVT is adapted by a combined feed-forward and feed-back control. A computer simulation for a vehicle with an overall mass of 1500kg, and an energy storage capacity of 30kJ was performed for different driving cycles. In a typical urban stop and go situation the proposed device will save up to 0.72kg fuel per 100km and the overall efficiency analysis together with simple design, easy recycling, and long life expectance, showed a clear advantage over other hybrid concepts for frequent stops and accelerations.
- Latchezar Tchobansky - Institute for Machine- and Process-Automation, Vienna University of Technology
- Martin Kozek - Institute for Machine- and Process-Automation, Vienna University of Technology
- Gerd Schlager - Institute for Machine- and Process-Automation, Vienna University of Technology
- Hanns P. Jörgl - Institute for Machine- and Process-Automation, Vienna University of Technology
CitationTchobansky, L., Kozek, M., Schlager, G., and Jörgl, H., "A Purely Mechanical Energy Storing Concept for Hybrid Vehicles," SAE Technical Paper 2003-01-3278, 2003, https://doi.org/10.4271/2003-01-3278.
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