2_2024_sen_1

Title of the article MODELING OF DYNAMIC PROCESSES OF ELECTRIC TRUCK MAZ-4381EE POWER UNIT USING MATLAB SIMULINK SOFTWARE PACKAGE
Authors

PODDUBKO Sergey N., Ph. D. in Eng., Assoc. Prof., Director General, Joint Institute of Mechanical Engineering of the NAS of Belarus, Minsk, Republic of Belarus, This email address is being protected from spambots. You need JavaScript enabled to view it.">This email address is being protected from spambots. You need JavaScript enabled to view it.

KALESNIKOVICH Andrei N., Head of the Department of Computer Modeling and Virtual Testing of the Republican Computer Center of Mechanical Engineering, Joint Institute of Mechanical Engineering of the NAS of Belarus, Minsk, Republic of Belarus, This email address is being protected from spambots. You need JavaScript enabled to view it.">This email address is being protected from spambots. You need JavaScript enabled to view it.

KRAUCHONAK Aliaksei L., Researcher of the Department of Computer Modeling and Virtual Testing of the Republican Computer Center of Mechanical Engineering, Joint Institute of Mechanical Engineering of the NAS of Belarus, Minsk, Republic of Belarus, This email address is being protected from spambots. You need JavaScript enabled to view it.">This email address is being protected from spambots. You need JavaScript enabled to view it.

SHABANAU Pavel E., Chief Designer for Automotive Machinery – Head of the Chief Designer’s Department, JSC “Minsk Automobile Plant” — Managing Company of “BELAVTOMAZ” Holding, Minsk, Republic of Belarus
In the section MECHANICS OF MOBILE MACHINES
Year 2024
Issue 2(67)
Pages 5–14
Type of article RAR
Index UDK 629.3
DOI https://doi.org/10.46864/1995-0470-2024-2-67-5-14
Abstract A dynamic model of the battery power unit of the electric truck MAZ-4381EE with a two-speed gearbox is considered. The dynamic processes arising at gear shifting are investigated. The gearbox is switched by controlling the rotational speed of the traction electric motor synchronously with the process of switching on the synchronized gear coupling of the gearbox. When simulating the processes of gear shifting, dynamic loads, time of clutch engagement and synchronization of rotation frequencies of gearbox links, work and power of slipping of friction elements of the synchronizer are estimated. According to the simulation results, the necessity is shown for using feedbacks for controlling the traction electric motor and state parameters of synchronized gearbox couplings, and an algorithm is proposed for controlling the power electric drive of the electric truck, which provides minimum dynamic loads in the electric drive and low load of gearbox synchronizers.
Keywords electric truck, battery power unit, traction electric motor, two-speed gearbox, gear shifting, synchronizer, gear coupling
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