Investigation of influential factors of a brake corner system to reduce brake torque variation |
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Authors: | S -H Kim E -J Han S -W Kang S -S Cho |
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Institution: | (1) School of Mechanical and Aerospace Engineering, Seoul National University, Seoul, 151-742, Korea;(2) Department of Mechanical Systems Engineering, Hansung University, Seoul, 136-792, Korea;(3) Mando Corporation, 343-1 Manho-ri, Poseung-myeon, Pyeongtaek-si, Gyeonggi, 451-820, Korea |
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Abstract: | This paper investigates the brake corner system to reduce brake torque variation in the brake judder problem. A numerical
model for determining brake torque variation was constructed using the multi-body dynamics model. Using this model, the brake
torque variation for a given disc thickness variation was obtained in the time domain. The multi-body dynamics model was verified
by a dynamometer test via the comparison of brake torque variation and load distribution patterns of the pad. To reduce the
simulation time and cost required to determine factors that influence the reduction in brake torque variation, a simple mathematical
model was constructed and used to determine both the brake torque variation and influential factors. The multi-body dynamics
model and dynamometer test were modified on the basis of the results of the simple mathematical model and deformed shape of
the multi-body dynamics model. These influential factors were verified to reduce the brake torque variation. |
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Keywords: | Brake cold judder Brake torque variation Disc thickness variation Brake corner system Brake pressure variation |
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