Optimal Damping Control of Engine Mount and It’s Application to MR Mount엔진마운트 최적댐핑제어와 MR 마운트에의 적용
- Other Titles
- 엔진마운트 최적댐핑제어와 MR 마운트에의 적용
- Authors
- Ha, Tae Woong; Kang, Min Sig
- Issue Date
- Aug-2022
- Publisher
- Korean Society for Precision Engineeing
- Keywords
- Displacement transmissibility; Engine mount; Force transmissibility; Hydraulic mount; MR mount; Optimal damping
- Citation
- Journal of the Korean Society for Precision Engineering, v.39, no.8, pp.565 - 573
- Journal Title
- Journal of the Korean Society for Precision Engineering
- Volume
- 39
- Number
- 8
- Start Page
- 565
- End Page
- 573
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/85617
- DOI
- 10.7736/JKSPE.022.055
- ISSN
- 1225-9071
- Abstract
- Passenger ride comfort is an integral component of any road vehicle. Ride comport is impacted by vibration resulting from road roughness of low frequency, and also engine vibration of high frequency. The engine mount is an essential component, which acts as a vibration isolator from unwanted vibration. However, vibration isolation requires conflicting design criterion, such as high damping in low frequency range, and low damping in high frequency range. The purpose of this study was to develop a new optimal damping design method for engine mounts based on minimizing H∞-norm. The damping minimizes H∞-norm of displacement and force transmissibilities in the wide-frequency vehicle operating range. The proposed optimal damping control was applied to a Magnetorheological (MR) engine mount, to investigate the vibration isolation performance. The feasibility of the proposed method is verified, with some numerical simulation examples. © The Korean Society for Precision Engineering.
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