An optimal braking force distribution in the rigid drawbar trailers with tandem suspension

• Autorzy: Kamiński Zbigniew

Identyfikatory

DOI

10.2478/ama-2025-0012

• Języki publikacji: EN

Abstrakty

EN

Rigid drawbar agricultural trailers with laden weight of up to 13 tonnes have a single axle, up to 19 tonnes tandem axles. Carried out analysis of a tractor semi-mounted trailer combination showed that under ideal braking, the adhesion utilised by all axles and a coupling device are equal. By adopting the concept of treating the coupling device as a conventional front axle, the requirements of EU Directive 2015/68 for multi-axle trailers have been used to develop a new method for selecting the brake force distribution of semi-trailers with different suspensions. First, the forces acting on a single and tandem semi-trailer were analysed during braking. An algorithm based on the quasi-Monte Carlo method was then proposed to solve the constrained optimisation of the linear brake force distribution of semi-trailers equipped with ALB or MLB regulators. Finally, examples of MATLAB calculations were given for a 5 tonne single axle trailer and a 16-tonne trailer with 5 different tandem suspensions: bogie, two leaf spring, two leaf spring and rods, two leaf spring with dynamic equalisation and air spring. The results of the work are expected to provide a reference for the design and evaluation of the braking system of agricultural semi-trailers, especially with different types of tandem axles, to improve braking performance and reduce coupling forces.

Słowa kluczowe

EN

agriculture tractor; semi-trailer combination; tandem axles; air braking system; braking force distribution; optimization

• Wydawca: Oficyna Wydawnicza Politechniki Białostockiej
• Czasopismo: Acta Mechanica et Automatica
• Rocznik: 2025
• Tom: Vol. 19, no. 1
• Strony: 94--105
• Opis fizyczny: Bibliogr. 48 poz., rys., tab., wykr.

Twórcy

autor

Kamiński Zbigniew

• Faculty of Mechanical Engineering, Bialystok University of Technology, ul. Wiejska 45C, 15-351 Białystok, Poland

• https://orcid.org/0000-0003-2693-5077

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