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Pneumatic Brake Apply System Response and Aero-Acoustic Performance Considerations
ISSN: 1946-3995, e-ISSN: 1946-4002
Published April 14, 2008 by SAE International in United States
Citation: Antanaitis, D., Martins, D., Monsere, P., and Riefe, M., "Pneumatic Brake Apply System Response and Aero-Acoustic Performance Considerations," SAE Int. J. Passeng. Cars - Mech. Syst. 1(1):716-728, 2009, https://doi.org/10.4271/2008-01-0821.
Over the past decade, the automotive industry has seen a rapid decrease in product development cycle time and an ever increasing need by original equipment manufacturers and their suppliers to differentiate themselves in the marketplace. This differentiation is increasingly accomplished by introducing new technology while continually improving the performance of existing automotive systems. In the area of automotive brake system design, and, in particular, the brake apply subsystem, an increased focus has been placed on the development of electrohydraulic apply systems and brake-by-wire systems to replace traditional pneumatic and hydraulic systems. Nevertheless, the traditional brake apply systems, especially vacuum-based or pneumatic systems, will continue to represent the majority of brake apply system production volume into the foreseeable future, which underscores the need to improve the performance and application of these traditional systems in passenger cars and light-trucks. This paper introduces the test methodologies and math models needed to predict, characterize, and improve the response and aero-acoustic performance of pneumatic apply systems during the brake development process.
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