TY - GEN
T1 - Forced response of a nonlinear translating brake band in the presence of friction guides
AU - Sen, Osman Taha
AU - Dreyer, Jason T.
AU - Singh, Rajendra
PY - 2013
Y1 - 2013
N2 - The goal of this article is to investigate the response of a nonlinear translating brake band system under different external loading and constraint conditions. A friction bench experiment is designed, built, and instrumented accordingly. In this experiment, an actuation body (supported by the friction guides) is pushed against a translating brake band over a prescribed actuation cycle. Therefore, two friction regimes are generated; one between the actuation body and brake band, and another one between the actuation body and friction guide(s). Locations of the friction guides and external load application points are varied and all possible cases are experimentally and computationally studied. First, the effect of the center of contact force shift on the forced response is investigated, and conditions that lead to this shift are examined. Second, a nonlinear mathematical model is utilized to explain the relationship between the center of contact force location and the forced system response, as well as to observe certain trends. Finally, such trends are confirmed by measurements, and a better understanding of the effect of external load and constraint locations on a variation in the friction force is obtained. Some of the findings are briefly linked to the vehicle brake judder problem.
AB - The goal of this article is to investigate the response of a nonlinear translating brake band system under different external loading and constraint conditions. A friction bench experiment is designed, built, and instrumented accordingly. In this experiment, an actuation body (supported by the friction guides) is pushed against a translating brake band over a prescribed actuation cycle. Therefore, two friction regimes are generated; one between the actuation body and brake band, and another one between the actuation body and friction guide(s). Locations of the friction guides and external load application points are varied and all possible cases are experimentally and computationally studied. First, the effect of the center of contact force shift on the forced response is investigated, and conditions that lead to this shift are examined. Second, a nonlinear mathematical model is utilized to explain the relationship between the center of contact force location and the forced system response, as well as to observe certain trends. Finally, such trends are confirmed by measurements, and a better understanding of the effect of external load and constraint locations on a variation in the friction force is obtained. Some of the findings are briefly linked to the vehicle brake judder problem.
KW - Brake judder
KW - Experimental dynamics
KW - Friction-induced vibration
KW - Frictional guides
KW - Leading and trailing edge dynamics in translating media
UR - https://www.scopus.com/pages/publications/84880546943
U2 - 10.1007/978-1-4614-6570-6_12
DO - 10.1007/978-1-4614-6570-6_12
M3 - Conference contribution
AN - SCOPUS:84880546943
SN - 9781461465690
T3 - Conference Proceedings of the Society for Experimental Mechanics Series
SP - 135
EP - 143
BT - Topics in Nonlinear Dynamics - Proceedings of the 31st IMAC, A Conference on Structural Dynamics, 2013
T2 - 31st IMAC, A Conference on Structural Dynamics, 2013
Y2 - 11 February 2013 through 14 February 2013
ER -