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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Smart Structures and Systems, An International Journal Smart Structures and Systems, An International Journal Vol.25 No.3
- 발행연도
- 2020.1
- 수록면
- 279 - 284 (6page)
이용수
초록· 키워드
오류제보하기
Electrical current is usually used to change the damping force of Magnetorheological Dampers (MRDs). However, changing the electrical current could shift the stiffness of the system, the phenomenon that was not considered carefully. This study aims to evaluate this shift. A typical MRD was designed, optimized, and fabricated to do some accurate and detailed experimental tests to examine the stiffness variation. The damper is equipped with a circulating system to prevent the deposition of particles when it is at rest. Besides that, a vibration setup was developed for the experimental study. It is capable of generating vibration with either constant frequency or frequency sweep and measure the amplitude of vibration. The damper was tested by the vibrating setup, and it was concluded that with a change in electrical current from 0 to 1.4 A, resonant frequency would change from 13.8 Hz to 16 Hz. Considering the unchanging mass of 85.1 kg, the change in resonant frequency translates as a shift in stiffness, which changes from 640 kN/m to 860 kN/m.
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등록된 정보가 없습니다.
참고문헌 (14)
참고문헌 신청
Mohsen Askari / 2016 / Semi-active control of smart building-MR damper systems using novel TSK-Inv and max-min algorithms / Smart Structures and Systems, An International Journal 18(5):1005~1028
Behrooz, M. / 2014 / Modeling of a new semi-active/passive magnetorheological elastomer isolator / Smart Mater. Struct 23(4):045013
Deng, H. X. / 2006 / Development of an adaptive tuned vibration absorber with magnetorheological elastomer / Smart Mater. Struct 15(5):111~116
Jugulkar, L. M. / 2016 / Analysis of suspension with variable stiffness and variable damping force for automotive applications / Adv. Mech. Eng 8(5):1~19
Li, W. / 2009 / Development and analysis of a variable stiffness damper using an MR bladder / Smart Mater. Struct 18(7):074007
Behrooz, M. / 2014 / Modeling of a new semi-active/passive magnetorheological elastomer isolator / Smart Mater. Struct 23(4):045013
Deng, H. X. / 2006 / Development of an adaptive tuned vibration absorber with magnetorheological elastomer / Smart Mater. Struct 15(5):111~116
Jugulkar, L. M. / 2016 / Analysis of suspension with variable stiffness and variable damping force for automotive applications / Adv. Mech. Eng 8(5):1~19
Li, W. / 2009 / Development and analysis of a variable stiffness damper using an MR bladder / Smart Mater. Struct 18(7):074007
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