Traction Dynamics Using Automatic Transmission Combined with Torque Converter

Authors

Corressponding author's email:

ldlich@dut.udn.vn

DOI:

https://doi.org/10.54644/jte.2025.1833

Keywords:

Traction dynamics calculation, Hydraulic torque converter, Longitudinal dynamics of the car, Traction force calculation, Automatic transmission

Abstract

The paper studies the longitudinal dynamic model of a car using a hydraulic transmission system combined with an automatic transmission. This model includes an internal combustion engine, a hydraulic torque converter, a geared automatic transmission, a main transmission, a semi-axle and a wheel, under the influence of resistance forces such as air resistance, inertia, rolling resistance and uphill resistance. Calculations are performed to determine the structural parameters of the transmission system and the engine, thereby evaluating the vehicle's ability to overcome resistance during movement. The paper also applies analytical and simulation methods to calculate the traction dynamics of the automatic transmission system. The results obtained from the simulation include graphs of traction force, dynamic factors and acceleration of the car, thereby evaluating the vehicle's ability to overcome resistance, acceleration, climbing and maintaining speed. The results obtained will serve as the basis for determining the vehicle's ability to work under specific practical conditions.

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Author Biographies

Duc Lich Luu, University of Science and Technology, The University of Da Nang, Vietnam

Luu Duc Lich received his  B.Eng. degree in automotive mechanical engineering and M.Eng. degree in dynamic mechanical engineering from the University of Transport and Communications, Vietnam, in 2011 and 2014, respectively. In 2022, He received Ph.D. degree in Systems  engineering from University POLITEHNICA of Bucharest, Romania. From 2011 to 2022, he was a Lecturer with the Faculty of dynamic mechanical engineering, Vinh University of Technology Education, Nghe an, Vietnam. Since 2023, he has been a Lecturer with the Faculty of Transportation Mechanical Engineering, University of Science and Technology, the University of Danang, Vietnam. His current research interests include vehicle dynamics control,  vehicle control, Advanced Drive Assistance Systems, Connected and Autonomous Vehicles, Intelligent vehicle and transport systems. Email: ldlich@dut.udn.vn. ORCID:  https://orcid.org/0000-0001-5612-5126

Sy Dong Ngo, Electric Power University, Vietnam

Ngo Sy Dong received his  B.Eng. degree in mechanical engineering and M.Eng. degree in mechanical engineering technology from the Hanoi University of Science and Technolog, Vietnam, in 2003 and 2009, respectively. In 2020, He received Ph.D. degree in mechanical engineering technology from Guilin University of Electronic Science and Technology, China. From 2010 to now, he was a Lecturer with the Faculty of Mechanical - Automotive and Civil Engineering, Electric power university, Hanoi, Vietnam. His current research interests include vehicle dynamics control,  vehicle control, Advanced Drive Assistance Systems, and Autonomous Vehicles, Intelligent vehicle and transport systems. Email:  dongns@epu.edu.vn. ORCID:  https://orcid.org/0009-0009-8478-4845

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Published

28-05-2025

How to Cite

Duc Lich Luu, & Sy Dong Ngo. (2025). Traction Dynamics Using Automatic Transmission Combined with Torque Converter. Journal of Technical Education Science, 20(02(V), 106–114. https://doi.org/10.54644/jte.2025.1833

Issue

Vol. 20 No. 02(V) (2025)

Section

Research Article

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