Dynamic Characteristic Modeling and Parameter Identification of New Type Dual Mass Flywheel Elastic Elements
In order to solve the problems existing in the dual mass flywheel,such as stiffness jump,centrifugal force affecting the torsional vibration characteristics and damping characteristics,which cannot meet the requirements of multiple working condi-tions,a new dual mass flywheel with wire rope ring as the elastic element was proposed.The dynamic hysteresis characteristics of the steel wire rope ring,which was an important elastic component of the flywheel,were experimentally studied.The experimental curves of the dynamic hysteresis characteristics of the rope ring under different frequencies and amplitudes were obtained.The polynomial hysteresis model of the wire rope ring was established and the model parameters were identified based on the experi-mental data.A general formula for the dynamic hysteresis model of the wire rope ring was obtained,and the validity of the model was verified by experiments.The results show that:the established model can well describe the nonlinear hysteresis characteristics of the steel wire rope ring.It is convenient to calculate the dynamic stiffness and damping characteristics of the elastic element.It provides a new analysis method for clarifying the nonlinear hysteresis characteristics of the steel wire rope ring and lays a founda-tion for further research on the torsional vibration characteristics of the new steel wire rope ring dual mass flywheel.
New Dual Mass FlywheelWire Rope LoopPolynomial ModelParameter Identification
NETL
NSTL
万方数据
