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Hydraulic Design Considerations for EHB Systems
Technical Paper
2003-01-0324
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Brake performance can be divided into two distinct classes: base brake performance and controlled brake performance. A base brake event can be described as a normal or typical stop in which the driver maintains the vehicle in its intended direction at a controlled deceleration level that does not closely approach wheel lock. All other braking events where additional intervention may be necessary, such as wheel brake pressure control to prevent lock-up, application of a wheel brake to transfer torque across an open differential, or application of an induced torque to one or two selected wheels to correct an under- or oversteering condition, may be classified as controlled brake performance. Statistics from the field indicate the majority of braking events stem from base brake applications and as such can be classified as the single most important function. From this perspective, it can be of interest to compare modern-day Electro-Hydraulic Brake (EHB) hydraulic systems with a conventional vacuum-boosted brake apply system and note the various design options used to achieve performance and reliability objectives.
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Citation
Reuter, D., Lloyd, E., Zehnder, J., and Elliott, J., "Hydraulic Design Considerations for EHB Systems," SAE Technical Paper 2003-01-0324, 2003, https://doi.org/10.4271/2003-01-0324.Also In
SAE 2003 Transactions Journal of Passenger Cars - Mechanical Systems
Number: V112-6; Published: 2004-09-15
Number: V112-6; Published: 2004-09-15