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This work was prepared within the project KONF/SP/0330/2023/1 entitled “16th European-African Regional Conference of the ISTVS”, financed by the Ministry of Education and Science (Poland) as a part of the Doskonała Nauka II Programme.
Materiał konferencyjny:
TAK
Nazwa konferencji:
16th European-African Regional Conference of the ISTVS
The mechanism of formation and the characteristics of the tire lateral force play an important role in terms of driving dynamics, safety and comfort. In the case of an off-road vehicle, the generation of tire lateral force is, among others, dependent on the soil. The effects of the three-phase nature of the soil medium may cause the characteristics of the lateral force build-up to be degressive or progressive. Experimental research was undertaken to determine tire lateral force on the steered wheel of the Suzuki Vitara off-road vehicle driven on loess and sandy soil as well as on wet snow. The vehicle was equipped with rotating wheel dynamometers and a steering robot. The measurement of the lateral force was carried out for three values of the steer angle rate, 100, 500 and 1500 deg/sec. Based on the obtained results, FY(δ) characteristics were obtained and further analyzed in order to determine the mathematical function describing the investigated mechanism of tyre – soil interaction.
