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Proof-of-Concept Design of Electronic Wedge Brake With Multi-Rollers

[+] Author Affiliations
Liangyao Yu, Jinghu Chang, Sheng Zheng

Tsinghua University, Beijing, China

Paper No. DETC2017-68103, pp. V003T01A020; 6 pages
  • ASME 2017 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 3: 19th International Conference on Advanced Vehicle Technologies; 14th International Conference on Design Education; 10th Frontiers in Biomedical Devices
  • Cleveland, Ohio, USA, August 6–9, 2017
  • Conference Sponsors: Design Engineering Division, Computers and Information in Engineering Division
  • ISBN: 978-0-7918-5815-8
  • Copyright © 2017 by ASME


In this paper, a new braking system EWB (Electronic Wedge Brake) with multi-rollers is presented. EWB is a BBW (Brake by Wire) braking system, using self-reinforcement effect of the wedge mechanism. This effect makes EWB reduce consumption of electricity. Compared with traditional EMB (Electronic Mechanical Brake), EWB can work at lower power supply, such as 12V, which makes EWB has great advantage over those EMB braking systems with higher power supply, e.g.42V.

The proposed design can realize normal braking function, and also can realize parking braking. In this paper, the configuration of EWB with multi-rollers is presented, and the modelling of main parts of the EWB system is given using the software Matlab/Simulink. Meanwhile, the EWB experimental bench is built, and preliminary experiments are carried out. The results of experiment show the practicability of the proposed design.

Copyright © 2017 by ASME
Topics: Design , Rollers , Wedges , Brakes



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