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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Article
On Implementing a Simulated Moment of Inertia in a Reduced Scale Brake Dynamometer
Author(s)
Georg-Peter Ostermeyer and Stephan Raczek
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DOI:10.17265/2159-5275/2017.04.002
Affiliation(s)
ABSTRACT
This paper describes the implementation of brake procedures with simulated inertia on a reduced scale brake dynamometer. For this purpose, the theoretical foundations are first explained, and test measurements are carried out. The results show good agreement between calculated and measured accelerations during brake applications. Furthermore, braking processes with various driver models were carried out using associated normal force functions, and examined with regard to their coefficients of friction. A clear difference between these models can be observed. This introduces the possibility for new measurement methods for the analysis of NVH-behavior in brake systems. This work is the first step towards identifying a transfer function between full- and reduced-scale brake dynamometers. In a second step, the temperature scaling must be taken into account. Based on these results, it is possible to isolate the influences of the braking system components from those of the dynamics of the friction coefficient in the boundary layer.
KEYWORDS
Brake, simulated inertia, friction, tribometer.
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