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Modeling of a Hydraulic Hybrid Pump Motor for Evaluation of Vibration Characteristics

[+] Author Affiliations
Christopher C. Schroeder, Amin Mohaghegh Motlagh, The M. Nguyen, Mohammad H. Elahinia

University of Toledo, Toledo, OH

Paper No. IMECE2007-43441, pp. 355-362; 8 pages
  • ASME 2007 International Mechanical Engineering Congress and Exposition
  • Volume 10: Mechanics of Solids and Structures, Parts A and B
  • Seattle, Washington, USA, November 11–15, 2007
  • Conference Sponsors: ASME
  • ISBN: 0-7918-4304-1 | eISBN: 0-7918-3812-9
  • Copyright © 2007 by ASME


This paper presents a simulation model of a hybrid hydraulic circuit including a swash plate pump motor (PM) applicable for mid-sized passenger vehicles. The model is developed using AMESim with a co-simulation of MATLAB/Simulink®. The AMESim model is used to extract the forces and moments induced by the hydraulic circuit that are transmitted to the chassis of the vehicle. Various mounts modeled as simple spring-dashpot systems in MATLAB/Simulink® are employed to dynamically link the hydraulic circuit to the vehicle chassis. The focus of this research is to study and evaluate the levels of vibration associated with the hybrid hydraulic circuit. This information will be used to provide a means of evaluating different isolation techniques to attenuate the forces caused by the hydraulic system. Preliminary results of the model are presented and will be validated in a developing research effort.

Copyright © 2007 by ASME



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