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http://dx.doi.org/10.5050/KSNVN.2008.18.11.1150

Active Vibration Control of Automotive Engine Mount Using MR Fluid and Piezostack  

Choi, Sang-Min (인하대학교 대학원 기계공학과)
Nguyen, Vien-Quoc (인하대학교 대학원 기계공학과)
Choi, Seung-Bok (인하대학교 기계공학부)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.18, no.11, 2008 , pp. 1150-1156 More about this Journal
Abstract
This paper presents vibration control of an active hybrid engine mount featuring a magneto-rheological(MR) fluid and a piezostack actuator. The MR fluid is adopted to improve isolation performance at resonant frequencies, while the piezostack actuator is adopted for performance improvement at non-resonant frequencies, especially at high frequencies. Based on some particular practical requirements of engine mounts, the proposed mount is designed and manufactured. The characteristics of rubber element, piezostack actuator and MR fluid are verified for system analysis and controller synthesis. The dynamic model of the proposed mount with a supported mass (engine) is established. In this work, a sliding mode controller is synthesized for the mount system to reduce vibrations transmitted from the engine in a wide frequency range. Computer simulations are performed to evaluate control performances of the proposed active engine mount in time and frequency domains.
Keywords
Hybrid Engine Mount; MR Fluid; Piezostack Actuator; Sliding Mode Controller;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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