Abstract

This study gives a comparison between which parameters may vary when braking on two different Ministry of Transport (MOT) brake testers, such as roller bed brake tester and dynamometric platform. A comparative study between both types of brake testers have been carried out by the mechanical engineering staffs at the mechanical laboratory at the Miguel Hernandez University in Elche to determinate which parameters can vary the result of the test.

Highlights

  • This is work deals the study of the influence of variables in two different Ministry of Transport brake testers such as roller bed brake tester and dynamometric platform brake tester, in the longitudinal braking action and sliding

  • The aim of the study is to find out a vehicle's braking capacity by measuring slippage on two brake testers at Ministry of Transport (MOT) centres, compare the measurements with each other when varying some parameters, and use the results to assess the reliability of the machine in testing brake systems

  • When a vehicle is taken to an MOT testing facility, this includes a brake test made on a roller bed to check the brake circuit

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Summary

Introduction

This is work deals the study of the influence of variables in two different Ministry of Transport brake testers such as roller bed brake tester and dynamometric platform brake tester, in the longitudinal braking action and sliding. The aim of the study is to find out a vehicle's braking capacity by measuring slippage on two brake testers at MOT centres, compare the measurements with each other when varying some parameters, and use the results to assess the reliability of the machine in testing brake systems. When a vehicle is taken to an MOT testing facility, this includes a brake test made on a roller bed to check the brake circuit. This research analyses how far the tyre parameters studied affect the measurements taken on the roller bed. We study if the MOT brake tester correctly assesses the condition of brakes 100% efficiently in comparison with measurements taken from the dynamometric platform brake tester

Mathematical demonstration
Testing methods
Experimentation
Variability of experimental data obtained on roller bed brake tester
Variability of data obtained on a dynamometric platform
Comparision measurements between both
Findings
Discussion and Conclusions
Full Text
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