MR Based Brake-by-Wire System with Self-Energizing Capability

Abstract:

Brake-by-wire system is a new concept of brake system using electromechanical actuators instead of conventional hydraulic actuators. It is more compact, more efficient and responses faster than traditional brake systems. Magneto-rheological (MR) fluid is widely used due to its outstanding properties. In this paper, an MR based Brake-by-wire system with self-energizing capability were proposed and designed. It combined a typical single-disk-type MR brake with a wedge mechanism for self-energizing purpose. According to the torque analysis of the proposed MR brakes, the brake torque was significantly amplified. This research work presented a promising brake actuator, which allows MR fluids to be applied in automotive Brake-by-wire systems.

• Periodical: Advanced Materials Research (Volume 936)
• Pages: 2087-2093
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.936.2087
• Online since: June 2014
• Authors: Xu Hui Liu, Liang Yao Yu*, Liang Xu Ma
• Keywords: Brake-by-Wire, MR Brake, Self-Energizing, Torque Analysis, Wedge Mechanism

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