Optimization of Classical Hydraulic Engine Mounts Based on RMS Method | Zendy

Jan-Constantin Christopherson | Zendy; Reza N. Jazar | Zendy

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Optimization of Classical Hydraulic Engine Mounts Based on RMS Method

Author(s) -

Jan-Constantin Christopherson,

Reza N. Jazar

Publication year - 2004

Publication title -

shock and vibration

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.418

H-Index - 45

eISSN - 1875-9203

pISSN - 1070-9622

DOI - 10.1155/2005/653945

Subject(s) - transmissibility (structural dynamics) , acceleration , displacement (psychology) , maxima and minima , control theory (sociology) , mount , frequency domain , time domain , engineering , hydraulic motor , mechanics , transient (computer programming) , mathematics , acoustics , vibration , vibration isolation , computer science , mathematical analysis , physics , mechanical engineering , classical mechanics , psychology , control (management) , artificial intelligence , computer vision , psychotherapist , operating system

Based on RMS averaging of the frequency response functions of the absolute acceleration and relative displacement transmissibility, optimal parameters describing the hydraulic engine mount are determined to explain the internal mount geometry. More specifically, it is shown that a line of minima exists to define a relationship between the absolute acceleration and relative displacement transmissibility of a sprung mass using a hydraulic mount as a means of suspension. This line of minima is used to determine several optimal systems developed on the basis of different clearance requirements, hence different relative displacement requirements, and compare them by means of their respective acceleration and displacement transmissibility functions. In addition, the transient response of the mount to a step input is also investigated to show the effects of the optimization upon the time domain response of the hydraulic mount

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