期刊
INTERNATIONAL JOURNAL OF VEHICLE DESIGN
卷 57, 期 2-3, 页码 292-304出版社
INDERSCIENCE ENTERPRISES LTD
DOI: 10.1504/IJVD.2011.044727
关键词
cab; mounting; vibration; principal axes; natural frequency; percentage kinetic energy distribution; optimisation
A model of a cab-operator and an isolating mount system is created and analysed. The method to calculate a system's natural frequency and kinetic energy percentage distribution of mode is presented. The optimised design to achieve the desired natural frequency range and minimise the motion coupling at each mode is introduced. The results of a case study demonstrate that suitable mount locations and rubber mount stiffness create the required natural frequency and lowest mode coupling. The disturbance or excitation from one motion to the others is minimised so that the vibration isolation performance will be greatly enhanced.
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