To investigate torsional vibration damping characteristics of magneto-rheological fluid dual mass flywheel(MRF-DMF)in power train
the dynamic stiffness and loss angle under different conditions of excitation amplitudes
excitation frequencies and currents are gained from MRF-DMF model constructed by AMESim and verified on torsion bench. By combining the dynamic characteristics driven by different currents
the controlling model is established and tested on engine bench. The damping characteristics of MRF-DMF in the cases of idle
constant speed
speed up
slow down
ignition and stalling are obtained and compared with the ordinary dual mass flywheel(DMF). It indicates that the MRF-DMF in damping the power train torsional vibration outperforms the ordinary DMF in all operations.
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