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Analytic Approaches for Keeping High Braking Efficiency and Clamping Efficiency of Electro Wedge Brakes

Title
Analytic Approaches for Keeping High Braking Efficiency and Clamping Efficiency of Electro Wedge Brakes
Authors
Shin, D. H.[Shin, Dong Hwan]Lee, S[Lee, Seonghun]Jeong, CP[Jeong, Choong-Pyo]Kwon, OS[Kwon, Oh-Seok]Park, TS[Park, Tae-Sang]Jin, SH[Jin, Sung-Ho]Ban, DH[Ban, Dong Hoon]Yang, SH[Yang, Seung-Han]
DGIST Authors
Shin, D. H.[Shin, Dong Hwan]Lee, S[Lee, Seonghun]; Jeong, CP[Jeong, Choong-Pyo]; Kwon, OS[Kwon, Oh-Seok]; Park, TS[Park, Tae-Sang]; Jin, SH[Jin, Sung-Ho]; Ban, DH[Ban, Dong Hoon]
Issue Date
2015-06
Citation
International Journal of Precision Engineering and Manufacturing, 16(7), 1609-1615
Type
Article
Article Type
Article
Keywords
Clamping ForceElectro Mechanical BrakeElectro Wedge BrakeEstimation of Frictional CoefficientSelf-Reinforcing EffectVariable Wedge Structure
ISSN
2234-7593
Abstract
The transfer from engine drive vehicles to electric vehicle has been proceeding due to fuel exhaustion, higher fuel costs, and environmental restrictions. This trend has also led to a transition in brake system from the hydraulic brake system to the electric brake system, which uses electric power. This electric brake system has led to an enhancement of safety and eco-friendliness due to a reduction braking distance, a rapid-response property, and the elimination of braking oil. However, one of the big problems to solve for practical usages is the need of a high power motor to enable braking forces as strong as those of hydraulic brake systems. Therefore, it is necessary to develop high efficiency electro mechanical brakes with a proper reinforcement mechanism to solve this problem. In this paper, we describe a wedge structure that has a self-reinforcing effect; we propose a proper actuating direction for a movable wedge to obtain greater clamping efficiency and braking efficiency, which will mean a better relation of the motor force as the input to the braking force as the output. Further, we propose the method to keep the most braking efficiency and clamping efficiency without reference to the variations of frictional coefficient. © 2015, Korean Society for Precision Engineering and Springer-Verlag Berlin Heidelberg.
URI
http://hdl.handle.net/20.500.11750/1571
DOI
10.1007/s12541-015-0211-1
Publisher
SpringerOpen
Related Researcher
Files:
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Collection:
ETCETC
Convergence Research Center for Wellness1. Journal Articles
Convergence Research Center for Future Automotive Technology1. Journal Articles


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