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Optimal Parameter Control for Multi-Signal of Semi-Active Engine Mount

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3 Author(s)
Truong Quoc Thanh ; Graduate School of Mechanical and Automotive Engineering, University of Ulsan ; Kyoung Kwan Ahn ; Young Kong Ahn

This paper describes work on isolation of vibration related engine by a hydraulic engine mount with controllable area of inertia track. Automotive engine mounts are required to constrain motion of engine shake resulting from low-frequency road input of shock excitation and also to isolate noise and vibration generated by the engine with unbalanced disturbance at the high frequency range. The property of the mount depends on vibration amplitude and excitation frequency, which means that the excitation amplitude is large in low excitation frequency range and small in high frequency range. In this paper, theoretical works with new model of the mount to isolate vibrations related engine were conducted by an optimal algorithm to control area of inertia track under shock and multi-signal force excitation is considered. With this research show clearly volumetric stiffness of the mount is greatly changed according to the changed area of the inertia track. Therefore, when the area of the inertia track is tuned, the transmissibility of the mount is effectively reduced.

Published in:

2006 International Forum on Strategic Technology

Date of Conference:

18-20 Oct. 2006