Frequency-Dependent Hydraulic Engine Mount with Five-Parameters Fractional Derivative Model in Vehicle model

Paper #:
  • 2015-01-1670

Published:
  • 2015-04-14
DOI:
  • 10.4271/2015-01-1670
Citation:
Tao, C., Zhu, H., Xu, P., and Zhang, Y., "Frequency-Dependent Hydraulic Engine Mount with Five-Parameters Fractional Derivative Model in Vehicle model," SAE Technical Paper 2015-01-1670, 2015, doi:10.4271/2015-01-1670.
Pages:
7
Abstract:
Hydraulic Engine Mount (HEM) is widely used in vehicle Powertrain Mounting System (PMS) for vibration isolation. The dynamic performances of an HEM are strongly frequency dependent. A Five-Parameters Fractional Derivative model is used to describe the dynamic properties of an HEM. A 1/4 car model is applied to evaluate the effect of frequency-dependent dynamic stiffness which using measured data of a typical hydraulic engine mount. The excitations from engine and road are considered in the simulation. The generalized- α method is presented to solve the vehicle model with five-parameter fractional derivative model.
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