Wavelet-Based Hybrid Energy Storage System for Smoothing Electric Tractor Power Fluctuations

Cheng, Long; Yang, Youlong; Chen, Quan; Li, Guoli

doi:10.1109/fes57669.2023.10183096

Cited by 1 publication

(2 citation statements)

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“…The main characteristic of this configuration is the presence of just one primary energy source, namely, the battery-based energy storage system (BESS), which should be designed and optimized with the best possible trade-off between vehicle integration and work-cycle energy demand. In the literature, hybrid energy storage systems consisting of a battery pack and arrays of supercapacitors are under investigation for the possible benefits in peak power capabilities [44]. Then power electronic converters play a key role in converting direct current (DC) into alternating current (AC) to feed each phase of the electric machine with the proper switching strategy to control both torque or speed [45,46].…”

Section: Full Electricmentioning

confidence: 99%

“…A field test platform for the electric tractor was developed to experimentally validate the effectiveness of the proposed control. Another case of EMS applied to a full-electric vehicle was proposed by Long et al [44]. In this case, the need for an EMS was motivated by the presence of two different electrical storage systems, namely, a battery pack and supercapacitors.…”

Section: Control Strategies For Full-electric Powertrainsmentioning

confidence: 99%

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Trends and Future Perspective of Electrification in Agricultural Tractor-Implement Applications

Mocera,

Somà,

Martelli

et al. 2023

Energies

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The worldwide growing demand for food is pushing the agricultural field towards new innovative solutions to increase the efficiency and productivity of cultivations. In this direction, agricultural mechanization plays a crucial role, and tractors are among the most important actors. Agricultural tractors are machines designed to push/pull special instruments usually referred to as implements, to which they may transfer power by means of a mechanical power take-off (PTO) or via hydraulic connections, thanks to the availability of pressurized oil. The tractor can be seen as a mobile power station: the more efficiently it provides power to external implements or to the ground in terms of tractive effort, the higher will be the efficiency and productivity of a certain task. However, the growing demand for greener and sustainable work machines is pushing towards new concepts of tractor powertrains with the goal of reducing, as much as possible, the amount of pollutants and GHG emissions per unit of work. In this paper, the authors will propose a review of the current trends towards electrification of agricultural tractors. Electrification can help in making vehicles more efficient and opening a new scenario for work optimization. Moreover, electrification is also involving the implements attached to the tractor and responsible for actually performing a wide variety of field tasks. However, tractor electrification requires proper attention due to the impact of high power electric systems on the vehicle configuration. For this reason, a proper level of hybridization should be considered. In this paper, a new classification method will be proposed, considering the electrification level in terms of power and as a function of the installed electric energy storage. This definition will be applied to classify the current state of the art of electric and hybrid agricultural tractors, investigating current trends in the scientific community and among industrial manufacturers with a look to the new upcoming technologies.

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Section: Full Electricmentioning

confidence: 99%

Section: Control Strategies For Full-electric Powertrainsmentioning

confidence: 99%