Modeling and Simulation Study of a Series Hydraulic Hybrid Vehicle

Abstract:

As a branch of the Hydraulic Hybrid Vehicle (HHV) technology, Series Hydraulic Hybrid Vehicle (SHHV) has been an important research object of institutions and automotive manufacturers all over the world. With the flexibility of engine management and regenerative braking characteristics SHHV is expected to be a short-term solution to develop a higher efficiency, cleaner, and safer transportation. In this work, the function and parameter determination of key components for SHHV are discussed. Based on the analytical analysis, the suitable set of component parameters is selected. The model of SHHV is implemented via Simulink/MATLAB mostly based on SimScape toolbox. The proposed model can be used as a development tool to quickly simulate the real hybrid system when it allows applying different parameter sets and in various conditions. The performance of the system is evaluated through some specific cases and the capability of braking energy recovery of the system is also investigated. Simulation results indicate that for a 2.5 ton truck case, more than 86% of braking energy can be captured and more than 72% of that energy can be returned to the kinetic energy of vehicle motion.

• Periodical: Applied Mechanics and Materials (Volumes 284-287)
• Pages: 834-838
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.284-287.834
• Online since: January 2013
• Authors: Chih Keng Chen, Tri Vien Vu, Chih Wei Hung, Chih Jer Lin
• Keywords: Accumulator, Regenerative Braking, Series Hydraulic Hybrid, SimScape

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