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AMESim EPS MAN Driveline Rattle Modeling

CAViDS Consortium. AMESim EPS MAN Driveline Rattle Modeling. A CAViDS Consortium Project. January 10, 2014. CAViDS Consortium. Objectives. Model Driveline Response in AMESim for MD EPS in MAN vehicle Compare to Experimental Results. CAViDS Consortium. Model and Results.

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AMESim EPS MAN Driveline Rattle Modeling

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  1. CAViDS Consortium AMESim EPS MANDriveline Rattle Modeling A CAViDS Consortium Project January 10, 2014

  2. CAViDS Consortium Objectives • Model Driveline Response in AMESim for MD EPS in MAN vehicle • Compare to Experimental Results

  3. CAViDS Consortium Model and Results

  4. CAViDS Consortium Model and Results Predicted Second Mode Frequency 52.3 Hz Mode Shape Amplitudes Flywheel 0 Transmission 87 Axle 13 Vehicle 0

  5. CAViDS Consortium DVA Results 3000 radians per second driveshaft oscillation Excited by engine firing 6th gear 1600 engine rpm 53 Hz

  6. CAViDS Consortium Conclusions • Crude AMESim model predicts second driveline resonance mode at 52 Hz which agrees with resonance frequency measured in DVA test • Highest amplitude in mode is at the transmission • Viscous damper at transmission should reduce vibration • Increasing clutch damper spring rate may drive resonance out of operating range • Hysteresis in clutch should reduce vibration

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