Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Application and Efficiency of the Usage of a Series-Hybrid Drive in Agriculture Based on the Modified WHTC

Version 1 : Received: 28 June 2023 / Approved: 29 June 2023 / Online: 29 June 2023 (11:20:32 CEST)

A peer-reviewed article of this Preprint also exists.

Medževeprytė, U.K.; Makaras, R.; Lukoševičius, V.; Kilikevičius, S. Application and Efficiency of a Series-Hybrid Drive for Agricultural Use Based on a Modified Version of the World Harmonized Transient Cycle. Energies 2023, 16, 5379. Medževeprytė, U.K.; Makaras, R.; Lukoševičius, V.; Kilikevičius, S. Application and Efficiency of a Series-Hybrid Drive for Agricultural Use Based on a Modified Version of the World Harmonized Transient Cycle. Energies 2023, 16, 5379.

Abstract

Off-road vehicles and transportation are vital for agricultural economics, yet the transition to green energies is challenging. To make this application easier, a tool that enables the testing of heavy-duty off-road vehicles in various scenarios was created. Based on the methods of the World Harmonized Transient Cycle, a new Hybrid Operational Cycle that reflects the features of agricultural work was created and applied in a graphical model simulation. This was a newly developed methodology. The cycle and the model were based on gathered research data. A numerical model of a medium-power tractor with an internal combustion engine and a series-hybrid setup was created, and simulations were performed in Matlab and AVL Cruise. The research compared both diesel and hybrid vehicles in terms of their power production, fuel consumption, and efficiency in fieldwork and transportation scenarios. The research showed that a series-hybrid transmission can achieve an efficiency similar to that of tractors with a continuously variable transmission (CVT), but with the use of an electric powertrain, there is still an opportunity to exploit energy regeneration in transportation and under low-load conditions. The designed model also may be used for the development of control algorithms for hybrid drives and the improvement of the efficiency thereof.

Keywords

series hybrid; off-road; heavy duty; WHTC; hybrid; tractor, hybrid drive cycle.

Subject

Engineering, Transportation Science and Technology

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