This content is not included in your SAE MOBILUS subscription, or you are not logged in.
Analysis of Changes in Disc-Brake Squeal Characteristic due to Regenerative Braking Simulation on Brake-Inertia-Dynamometer
ISSN: 0148-7191, e-ISSN: 2688-3627
Published January 9, 2019 by SAE International in United States
This content contains downloadable datasetsAnnotation ability available
Brake is very crucial functional part of automobile, therefore need a robust testing for validation in order to ensure its failsafe functionality under harsh circumstances. For performance testing and foundation brake system design optimization purpose Brake-Inertia-Dynamometer (BID) being used extensively since its inception, and from last two decades for optimization of brake Noise, Vibration, and Harshness (NVH) performance too. In brake NVH the major issue is brake squeal or squeak generation, which is very difficult to predict its occurrences and standardized its prerequisite conditions. Since, brake is the only device which is designed for power absorption in automobile and therefore the regenerative braking concept come to the picture for energy conservation. The loss of energy in braking in case of Hybrid Electric Vehicle (HEV) and Electric Vehicle (EV) is more crucial and hence implementation of regenerative-braking is more discernible in HEVs and EVs to enhance the efficiency. Furthermore, the propensity of brake squeal generation plays very important role as its gain more attention by occupants and rise questions against vehicle’s level of sophistication especially in case of HEVs and EVs, since squeal is very annoying in perception. Above reasons motivate to investigate the squeal performance of conventional friction disc brake when it is subjected to the regenerative braking. The regenerative braking has been simulated on BID through blending of braking torques of electric (regenerative) brake and friction brake using electrical inertia simulation technology in which, part of inertia acting as a resisting rotational torque which is equivalent to that of utilizing to conserve energy through regeneration. In this paper, the disc-brake squeal noise occurrence has been characterized without and with regenerative braking respectively. Also emphasis the changes in squeal characteristic for the same disc brake through comparison. Brake squeal noise occurrence has been evaluated using SAEJ2521 test cycle.
CitationChilbule, C. and Weiss, D., "Analysis of Changes in Disc-Brake Squeal Characteristic due to Regenerative Braking Simulation on Brake-Inertia-Dynamometer," SAE Technical Paper 2019-26-0203, 2019, https://doi.org/10.4271/2019-26-0203.
Data Sets - Support Documents
|[Unnamed Dataset 1]|
|[Unnamed Dataset 2]|
- Clegg, S.J. , “A Review of Regenerative Braking System,” University of Leeds-Institute for Transport Studies, ITS Working Paper 471, Apr. 1996.
- Antanaitis, D. , “Effect of Regenerative Braking on Foundation Brake Performance,” SAE Int. J. Passeng. Cars - Mech. Syst. 3(2):14-30, 2010, doi:10.4271/2010-01-1681.
- Chen, F. , “Disc Brake Squeal: An Overview,” SAE Technical Paper 2007-01-0587, 2007, doi:10.4271/2007-01-0587.
- Chen, F., Tan, C., and Quaglia, R. , Disc Brake Squeal: Mechanism, Analysis, Evaluation, and Reduction/Prevention (Warrendale: Society of Automotive Engineers, Inc., 2005), doi:10.4271/R-353.
- Chilbule, C., Phadke, S., Kulkarni, R., and Raajha, M. , “Mitigating the Brake Squeal Noise Occurrence of Car Disc Brake through Modification of Caliper-Bracket,” SAE Technical Paper 2017-26-0218, 2017, doi:10.4271/2017-26-0218.
- Triches, M. Jr., Samir, N.Y., and Jorden, R. , “Reduction of Squeal Noise from Disc Brake Systems using Constrained Layer Damping,” Journal of the Brazilian Society of Mechanical Sciences and Engineering 26(3), July/Sept. 2004.
- Wagner, A. , “Avoidance of Brake Squeal by a Separation of the Brake Disc’s Eigenfrequencies: A Structural Optimization Problem,” Darmstadt University of Technology, Darmstadt, Dec. 2013, 11-37, ISBN:978-3-935868-31-0.
- Blaschke, P. and Rumold, W. , “Global NVH Matrix for Brake Noise - A Bosch Proposal,” SAE Technical Paper 1999-01-3405, 1999, doi:10.4271/1999-01-3405.
- SAE International Surface Vehicle Recommended Practice , “Disc Brake Dynamometer Squeal Noise Matrix,” SAE Standard J2521, Issued May 2001, Rev. Apr. 2013.
- Ehsani, M., Gao, Y., and Emadi, A. , Modern Electric, Hybrid Electric, and Fuel Cell Vehicles Fundamentals, Theory, and Design, Chap. 11 (CRC Press, 2005), ISBN:0-8493-3154-4.