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Title: EQUIPMENT WITH HYDROSTATIC DRIVE AND HYBRID ENERGY SOURCE FOR CONSTRUCTION WORKS
EQUIPMENT WITH HYDROSTATIC DRIVE AND HYBRID ENERGY SOURCE FOR CONSTRUCTION WORKS

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Catalin Dumitrescu; Alexandru-Polifron Chiri?a; Radu Iulian Radoi; Adriana Mariana Bor?; Catalin Dragomir
10.5593/sgem2023/4.1/s17.09
10.5593/sgem2023/4.1
1314-2704
978-619-7603-59-0
English
23
4.1
•    Prof. DSc. Oleksandr Trofymchuk, UKRAINE 
•    Prof. Dr. hab. oec. Baiba Rivza, LATVIA
Renewable Energy Sources and Clean Technologies
The article presents the creation of an experimental model of a hybrid vehicle intended to work both in conventional environments, in which the use of a diesel engine is permitted, and in environments with pollution restrictions (noxious emissions), in which an electric motor powered by batteries is used. At the level of the experimental model, the chassis of the drive train was made and tested, and the results were compared with those obtained by simulation with AMESim. The equipment in the NRMM (non-road mobile machinery) category have medium and high powers (of the order of tens or hundreds of kW) and, regardless of the primary energy source, they predominantly use hydrostatic drive for the work equipment. In the case of the presented hybrid vehicle, the work equipment is supplied with hydrostatic energy from a secondary pump. The machine can work in heavy environments with a lot of dust, moisture or rough terrain where the electric motors mounted in the wheel of the vehicle do not give very good results. Traction is achieved on all four wheels of the car using hydraulic wheel motors with radial pistons. This type of engine ensures a high torque at low speeds, necessary for the types of work performed.
The article presents the main subassemblies of this machine, the hydraulic drive scheme, the energy sources (thermal engine and LiFePO4 type battery group), as well as the machine's control system. The final goal of the authors is the development of a work equipment for underground constructions, in partnership with an established manufacturer from Romania.
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[8] Directive XXVI, Appendix 26, Technical Rules Regarding the Design, Construction and Modernization of Roads, https://www.mdlpa.ro/userfiles/reglementari/Domeniul_XXVI/26_26.pdf, accessed 23.05.2023.
This paper has been financed under a project funded by the Ministry of Research, Innovation and Digitalization through Programme 1 - Development of the national research & development system, Sub-programme 1.2 - Institutional performance - Projects financing the RDI excellence, Financial Agreement no. 18PFE/30.12.2021.
conference
https://doi.org/10.5593/sgem2023/4.1/s17.09
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Proceedings of 23rd International Multidisciplinary Scientific GeoConference SGEM 2023
23rd International Multidisciplinary Scientific GeoConference SGEM 2023, 03 - 09 July, 2023
Proceedings Paper
STEF92 Technology
International Multidisciplinary Scientific GeoConference SGEM
SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci and Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts and Letters; Acad Fine Arts Zagreb Croatia; Croatian Acad Sci and Arts; Acad Sci Moldova; Montenegrin Acad Sci and Arts; Georgian Acad Sci; Acad Fine Arts and Design Bratislava; Russian Acad Arts; Turkish Acad Sci.
67-74
03 - 09 July, 2023
website
9178
hybrid, hydraulics, pollution, construction works, modeling, AMESim