Experimental research on determining the vertical tyre force of a tractor semi-trailer

Tung, Nguyen Thanh; Huong, Vo Van; Kiet, Phan Tuan

doi:10.1142/s0217979220401633

Cited by 6 publications

(3 citation statements)

References 3 publications

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“…Matlab-Simulink software was used to investigate and compare the longitudinal friction coefficient function of the wheel according to the longitudinal slide coefficient ( ) determined by experiment and the function ( ) simulated according to Ammon tire model on the same type of road with the maximum longitudinal friction coefficient xmax=0.89 and the minimum longitudinal friction coefficient xmin=0.72 [4,5] The system of dynamic equations of the tractor semitrailer are as follows [5]: 12 and 13. The survey results showed that when the input function ( ) determined by experiment and Ammon function were used, the average error of force Fx was 11,81% and the average error of force Fz is 19 and 25%.…”

Section: Simulationmentioning

confidence: 99%

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Experimental Analysis for Determination of Longitudinal Friction Coefficient Function in Braking Tractor Semi-trailer

Tung

2021

IJE

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The longitudinal friction coefficient is a very important parameter to calculate vehicle dynamics. The theoretically longitudinal friction coefficient is often used to investigate the vehicle dynamics. However, the longitudinal friction coefficient depends on many factors and changes when the vehicle moves on the actual road. This paper presents the experimental method to determine the longitudinal friction coefficient function when braking the tractor semi-trailer on the road. The results of this study can be used as an input to dynamic survey model for the tractor semi-trailer and to verify the theoretical model. The experimental results showed that when braking the tractor semi-trailer on the dry asphalt, the maximum longitudinal friction coefficient is xmax=0.89 and the minimum longitudinal friction coefficient is xmin=0.72. Matlab-Simulink software was used to investigate and compare the longitudinal friction coefficient determined by experiment and the theoretically longitudinal friction coefficient according to Ammon tire model. The survey results showed that the average error between experiment and theory was about 17%.

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Section: Simulationmentioning

confidence: 99%

“…Thus, in order to determine the longitudinal friction coefficient function x(t), Fx(t) and Fz(t) should be known [4]. *Corresponding Author Institutional Email: tungnt@vlute.edu.vn (N. Thanh Tung)…”

Section: Introductionmentioning

confidence: 99%

Experimental Analysis for Determination of Longitudinal Friction Coefficient Function in Braking Tractor Semi-trailer

Tung

2021

IJE

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“…The vertical tyre force is crucial to the study of the dynamics of a tractor semi-trailer. Tung, Huong and Kiet present in their paper [2] an experimental method for determining the vertical tyre force by determining the vertical acceleration of the un-sprung mass and the vertical acceleration of the sprung mass when the tractor semi-trailer moves. The results of this study form the basis for determining the dynamic tyre force without installing of sensors on road [2].…”

Section: Introductionmentioning

confidence: 99%

Simulated testing and its role in construction of agricultural equipment

Popa

Ştefan

Zaica

et al. 2021

20th International Scientific Conference Engineering for Rural Development Proceedings

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In the process of agricultural production, a large percentage is represented by transport works. The transport of agricultural products and materials is carried out in a proportion of 70…80% on public roads, which means that all means of transport that travel on these roads must be designed and equipped in strict accordance with the regulations in force on road safety. This article presents the results of the research conducted for the construction of a two-part tipper trailer, equipped with two axles, designed in cooperation with a Romanian company. The activities carried out fell into the category of applied research. Three-dimensional design can ensure precision in execution, shortening the time to supply a product on the market, reducing the time required for the entire flow, from design to manufacturing, testing and mass production. In order to accelerate the research and shorten the period until the realization of the experimental model, in the design phase simulated research was performed, using the SolidWorks Simulation module. These researches contributed to the correct choice of materials, as well as to the precise determination of the dimensional characteristics of the various subassemblies. The main subassembly studied by virtual testing was the axle of the trailer. A good dimensioning of the trailer components ensures the safety in operation and contributes to the optimization of the trailer production process, eliminating the irrational consumption of raw materials. The integration of the subassemblies tested by simulation, and later by experimental research in real working conditions, led to the performing of an agricultural trailer with a payload of 7 tons, contributing to the development of the agricultural machinery construction in Romania. The article presents the results of the static analysis of the trailer axle of the rolling system, using virtual testing to look for vulnerabilities, as a necessary stage of the development process.

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Studying the Braking Efficiency of the Tractor Semi-trailer on a Straight Road with Road Surface Profiles According to ISO 8608–2016

Tung

Van

2022

Advances in Engineering Research and Application

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Experimental research on determining the vertical tyre force of a tractor semi-trailer

Cited by 6 publications

References 3 publications

Experimental Analysis for Determination of Longitudinal Friction Coefficient Function in Braking Tractor Semi-trailer

Experimental Analysis for Determination of Longitudinal Friction Coefficient Function in Braking Tractor Semi-trailer

Simulated testing and its role in construction of agricultural equipment

Studying the Braking Efficiency of the Tractor Semi-trailer on a Straight Road with Road Surface Profiles According to ISO 8608–2016

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