Theoretical Study and Experimental Validation of a Hydrostatic Transmission Control for a City Bus Hybrid Driveline with Kinetic Energy Storage

Venelin Jivkov and Vutko Draganov
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Venelin Jivkov: Department of Theory of Mechanisms and Machines, Technical University of Sofia, Sofia 1000, Bulgaria
Vutko Draganov: Department of Theory of Mechanisms and Machines, Technical University of Sofia, Sofia 1000, Bulgaria

Energies, 2018, vol. 11, issue 9, 1-22

Abstract: A city bus with hybrid drive system was studied for its performance. The driveline under consideration consists of two alternative energy sources—an internal combustion engine (ICE) and kinetic energy storage (KES)—a hydrostatic transmission (HST), a drive axle and corresponding gears. A generalized law for HST control is obtained that satisfies kinematic and torque requirements for the alternative energy sources and the different modes of operation of the bus. A test stand was developed for validation of the chosen control strategy and for the energy flow simulations through the HST. The estimated maximum energy recovery potential is around 20–25%.

Keywords: hybrid drive lines; kinetic energy storage; hydrostatic transmission; hydrostatic transmission control (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2018
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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