A Frictionless Bristle-Based Friction Model That Exhibits Hysteresis and Stick-Slip Behavior
نویسندگان
چکیده
We investigate the origins of stick-slip friction by developing an asperitybased friction model based on the frictionless and lossless contact between a body and a row of rigid, rotating bristles attached to the ground by torsional springs and dashpots. This model exhibits hysteresis and quasi-stick-slip friction. The hysteretic energy-dissipation mechanism is the sudden release of the compressed bristles, after which the bristles oscillate and the stored energy is dissipated by the dashpot. The discontinuous rotating bristle model is an approximation of the rotating bristle model that exhibits exact stickslip and hysteresis. We derive a single-state formulation of the discontinuous rotating bristle model and investigate similarities to the LuGre model.
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