<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>In order to increase the safety of vehicles, the braking systems have two different braking sequences: the service brake and the secondary brake. The secondary brake is used when a component of the braking system fails to work adequately and it uses only two main components of the brake system, the calipers and the master cylinder. This paper presents a method of investigation, based on Matlab Simulink, to be used to verify the efficiency of the secondary brake by studying the dynamics behaviour, brake bias, stability and control during braking. The outputs are discussed by having in view, the ECE R13 regulations, for a vehicle with the initial speed at v = 60 km/h, mass m = 2300 kg, rolling radius r = 0.32 m, master cylinder mc = 22.2 mm, pedal ratio 4.3 and static friction coefficient 0.9. The results confirm that the variation of yaw rate and slip ratio have a minor influence on the stability and control.</p>
</abstract>

In order to increase the safety of vehicles, the braking systems have two different braking sequences: the service brake and the secondary brake. The secondary brake is used when a component of the braking system fails to work adequately and it uses only two main components of the brake system, the calipers and the master cylinder. This paper presents a method of investigation, based on Matlab Simulink, to be used to verify the efficiency of the secondary brake by studying the dynamics behaviour, brake bias, stability and control during braking. The outputs are discussed by having in view, the ECE R13 regulations, for a vehicle with the initial speed at v = 60 km/h, mass m = 2300 kg, rolling radius r = 0.32 m, master cylinder mc = 22.2 mm, pedal ratio 4.3 and static friction coefficient 0.9. The results confirm that the variation of yaw rate and slip ratio have a minor influence on the stability and control.

Investigation on the Performance of a Secondary Brake

“Gheorghe Asachi” Technical University of Iaşi, Faculty of Machines Manufacturing and Industrial Management

Bulletin of the Polytechnic Institute of Iași. Machine constructions Section

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

{"article-title":"Investigation on the Performance of a Secondary Brake"}

In order to increase the safety of vehicles, the braking systems have two different braking sequences: the service brake and the secondary brake. The secondary...

Investigation on the Performance of a Secondary Brake

Publicado en línea: 29 jun 2024

Páginas: 9 - 20

Recibido: 30 dic 2023

Aceptado: 27 ene 2024

DOI: https://doi.org/10.2478/bipcm-2023-0031

Palabras clave
secondary brake, ECE-R13 regulations, vehicle dynamics, wheel dynamics

© 2023 Narcis-Ioan Țica et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Investigation on the Performance of a Secondary Brake

Publicado en línea: 29 jun 2024

Páginas: 9 - 20

Recibido: 30 dic 2023

Aceptado: 27 ene 2024

DOI: https://doi.org/10.2478/bipcm-2023-0031

Palabras clavesecondary brake, ECE-R13 regulations, vehicle dynamics, wheel dynamics

© 2023 Narcis-Ioan Țica et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Palabras clave
secondary brake, ECE-R13 regulations, vehicle dynamics, wheel dynamics