Improvement of parameters of the electric motor model of the gearbox mechanism in the transmission of motor vehicles

Authors

  • Николай Григорьевич Михалевич Kharkov National Automobile and Highway University, Ukraine
  • Николай Николаевич Сильченко Kharkov National Automobile and Highway University, Ukraine

DOI:

https://doi.org/10.30977/VEIT.2018.13.0.42

Abstract

The article is devoted to improvement of operational parameters of electromechanical automated gear shift gears of heavy trucks and buses, improvement of the design of the actuator of the drive gear control gearbox, optimization of the operation of the algorithm of control of the automated electromechanical gear shift gear. By analyzing information sources, requirements are set for the automated gearbox drive. On the basis of the analysis of existing constructions of the gearshift gears in the mechanical transmission boxes, it was concluded that it is expedient to further improve the electromechanical drive of the gear shift with the actuators on the basis of DC motors, as the most current for use in transmission of heavy trucks and buses. The main disadvantage of such structures at the moment is seen in the lack of universality of the analogues considered, which is to use on gearboxes of different production. This, in turn, negatively affects the cost and reliability of the drive. The dynamical processes taking place in the automated switching mechanism are considered, the mathematical model of the electric motor is investigated and the parameters determined influence the work process, described the types of electric motors used in the technique, the equations used in mathematical modeling are described, the prospects of rational gearbox control are considered. According to the results of the analysis of the obtained results for further improvement, the construction of the actuating mechanism of gear shift with two electric motors of direct current of own design is proposed. It is determined that the proposed new interconnections between the structural elements of the gearshift mechanism allow simultaneously obtaining the required speed of the drive, high accuracy of the adjustment, and provide the necessary effort on the synchronizer. A mathematical description of the working process of the inclusion of transmission by automated electromechanical gear shifting gear is executed. The mathematical model of the executive mechanism of the electromechanical drive gearbox transmission includes: differential equations that describe the operation of the electric motor of the direct current, as well as the equation of communication.

Key words: gearshift; automatic controls; mathematical modeling.

Author Biographies

Николай Григорьевич Михалевич, Kharkov National Automobile and Highway University

Ph.D., Associate Professor of the Department of Automobiles
named A.B. Gredescula

Николай Николаевич Сильченко, Kharkov National Automobile and Highway University

of the Department of Automobiles named A.B. Gredescula

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Published

2018-05-16

How to Cite

Михалевич, Н. Г., & Сильченко, Н. Н. (2018). Improvement of parameters of the electric motor model of the gearbox mechanism in the transmission of motor vehicles. Vehicle and Electronics. Innovative Technologies, (13), 42–47. https://doi.org/10.30977/VEIT.2018.13.0.42

Issue

Section

WAYS TO IMPROVE THE ECONOMIC AND ENVIRONMENTAL INDICATORS OF MOTOR VEHICLES. ENERGY SAVING TECHNOLOGIES