The study of motion of the snow and swamp-going vehicle with the traction electric drive, based on the Emrax 228 electric motor

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Abstract

BACKGROUND: Ensuring transport accessibility of arctic zones of the RF, according to the strategy of social and economic development of the Russian Federation until 2030, is an important and relevant objective.

AIMS: The article contains the results of the study of motion of the 6WD snow and swamp-going vehicle with traction electric drive, developed at the “Wheeled vehicles” department of Bauman MSTU as part of development of snow-going vehicles line-up for the sake of improvement of transport accessibility for people living in arctic zone of the RF.

METHODS: On the basis of the RM 650-2 6X4 all-terrain vehicle, the state-of-the-art electric snow- and swamp-going vehicle with a light-weight welded frame, an electric power unit, a lithium battery as a power-supply source and electromechanical transmission was designed. The vehicle equipped with systems of control, cooling and lighting as well as sensors and measuring complexes. Studies were carried out with various vehicle operation modes (on direct gear with current limit, without current limit and on low gear). Soil road and prepared cross-country terrain were used as a profiled track.

RESULTS: The time-domain diagrams of traction electric drive operation and the vehicle dynamic characteristics were obtained as the study results.

CONCLUSIONS: The obtained values and characteristics point at high level of vehicle power equipment and at prospects of designs, used in the snow-and swamp-going vehicle. The study results can be used for modernization of existing vehicles and for development of high-technology machinery, based on electric power unit.

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About the authors

Mikhail B. Sarach

Bauman Moscow State Technical University

Author for correspondence.
Email: m.sarach@bmstu.ru
ORCID iD: 0000-0001-5146-6634
SPIN-code: 4406-1607

Cand. Sci. (Tech.), Associate Professor

Russian Federation, Moscow

Evgeniy B. Sarach

Bauman Moscow State Technical University

Email: sarach@yandex.ru
ORCID iD: 0000-0001-7027-9164
SPIN-code: 9645-5996

Professor, Dr. Sci. (Tech.)

Russian Federation, Moscow

Denis R. Kaplan

Bauman Moscow State Technical University

Email: g-two@mail.ru
ORCID iD: 0000-0002-9429-9810
SPIN-code: 2131-3875

Student

Russian Federation, Moscow

References

  1. Sarach MB, Sarach EB, Zaharov AY. Bench testing of electric motors Emrax 208, 228. Izvestia MGTU MAMI. 2020;1(43):80–87. doi: 10.31992/2074-0530-2020-43-1-80-87
  2. Transportnaya strategiya Rossiiskoi Federatsii na period do 2030 goda (utv. rasporyazheniem Pravi-tel’stva RF ot 22 noyabrya 2008 g. Available from: https://mintrans.gov.ru/documents/7/1009 (In Russ).
  3. Kotiev GO, Padalkin BV, Kartashov AB, et al. Designs and development of Russian scientific schools in the field of cross-country ground vehicles building. ARPN Journal of Engineering and Applied Sciences. 2017;12(4):1064–1071.
  4. Bratan S, Diakov AS, Kotiev GO, et al. Establishment of production of special wheel and track technology for extreme natural-climate conditions of the Arctic. MATEC Web of Conferences. 2018;224. doi: 10.1051/matecconf/201822402096
  5. Kotiev GO, Zhirnyi RI, Smirnov AA, et al. Issledovaniya vezdekhodov v usloviyakh Krainego Severa. Gruzovik. 2010;12:34–37. (In Russ).
  6. D’yakov AS, Chetverikov MV. Transportnaya dostupnost’ naseleniya Arkticheskikh zon Rossiiskoi Federatsii. Zhurnal AAI. 2018;(3):42–45. (In Russ).
  7. Kotiev GO, Nagaitsev MV, Sarach EB. Elektrotransmissiya gibridnogo avtomobilya. In: Transportno-tekhnicheskie mashiny i kompleksy. Gulyaeva Yu.V editor. Nizhnii Novgorod: NGTU; 2008. (In Russ).
  8. GOST 34065-2017 Snegobolotokhody. Tekhnicheskie trebovaniya i metody ispytanii. Available from: https://files.stroyinf.ru/Data2/1/4293744/4293744624.pdf (In Russ).
  9. https://www.yumpu.com [Internet]. Video VBOX Pro data sheet. [updated: 15.08.2022]. Available from: https://www.yumpu.com/en/document/view/28537799/video-vbox-pro-data-sheet-racelogic
  10. www.emrax.com [Internet]. Technical Data and Manual for EMRAX Motors / Generators. Version 5.1. [updated: 15.08.2022]. Available from: www.emrax.com (In Russ).

Supplementary files

Supplementary Files
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1. JATS XML
2. Fig. 1. The 6WD electric snow and swamp-going vehicle.

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3. Fig. 2. Location of the traction electric drive of the snow and swamp-going vehicle: 1 – the EMRAX 228 electric motor; 2 – the EmDrive 500 inverter; 3 – the transfer case.

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4. Fig. 3. The scheme of the studied electric snow and swamp-going vehicle: 1 – chassis; 2 – transfer case; 3 – the Emrax 228 traction electric motor; 4 – the EmDrive 500 traction inverter; 5 – the traction battery; 6 – the CAN-USB adapter; 7 – the on-board computer with the eDrive Configurator software; 8 – mobile Internet access point; 9 – mobile laboratory computer; 10 – GPS tracker.

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5. Fig. 4. The RACELOGIC RLVD20P2NV GPS tracker.

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6. Fig. 5. The terrain map with the ride route.

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7. Fig. 6. The snow and swamp-going vehicle testing at speed limit mode.

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8. Fig. 7. The snow and swamp-going vehicle testing at the uphill and the cross-country terrain.

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9. Fig. 8. Current and motor rotation velocity while driving on direct gear with current limit.

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10. Fig. 9. Current and motor rotation velocity while driving on direct gear without current limit.

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11. Fig. 10. Current and motor rotation velocity while driving on low gear without current limit.

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12. Fig. 11. Motor torque, motor power and velocity of the electric snow and swamp-going vehicle while driving on direct gear with current limit.

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13. Fig. 12. Motor torque, motor power and velocity of the electric snow and swamp-going vehicle while driving on direct gear without current limit.

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14. Fig. 13. Motor torque, motor power and velocity of the electric snow and swamp-going vehicle while driving on low gear without current limit.

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