Calculations of the optimal distribution of brake force in agricultural vehicles categories R3 and R4 | Zendy

Zbigniew Kamiński | Zendy; Paweł Radzajewski | Zendy

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Calculations of the optimal distribution of brake force in agricultural vehicles categories R3 and R4

Author(s) -

Zbigniew Kamiński,

Paweł Radzajewski

Publication year - 2019

Publication title -

eksploatacja i niezawodnosc - maintenance and reliability

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.47

H-Index - 27

eISSN - 2956-3860

pISSN - 1507-2711

DOI - 10.17531/ein.2019.4.14

Subject(s) - brake , automotive engineering , axle , retarder , electronic brakeforce distribution , suspension (topology) , engine braking , trailer , bogie , process (computing) , track (disk drive) , engineering , computer science , hydraulic brake , mechanical engineering , mathematics , homotopy , pure mathematics , operating system

Fulfilling the requirements of the EU Directive 2015/68 in the area of braking for agricultural trailers depends on the proper selection of individual components of the braking system. This paper describes the requirements regarding braking performance and distribution of brake forces in agricultural trailers in R3 and R4 categories. On this basis, a methodology for calculating the optimal linear distribution of brake forces, characteristic for agricultural trailers with pneumatic braking systems, has been developed. The examples of calculation of an optimal distribution of brake forces for a twoand three-axle trailer with a tandem suspension system of the rear axle assembly have been provided. The optimization algorithm with the Monte Carlo method has been described, based on which a computer program was developed to select a linear distribution of brake forces in a three-axle trailer with ‘walking beam’ and ‘bogie’ suspensions. The presented calculations can be used in the design process to select the parameters of wheel braking mechanisms and then the characteristics of the pneumatic valves of the braking system.

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