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28 June 2002 New by-pass, fail-safe, magnetorheological fluid damper
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This paper presents experimental results for a novel external by-pass, fail-safe, magneto-rheological fluid (MRF) damper. A fail-safe MRF damper is referred to as a device which retains a minimum required damping capacity in the event of a power supply or electronic system failure. The new MRF device has a simple design, is compact, can generate a considerable dynamic force range, and can be sized for specific vibration control applications. As an example of the performance of this by-pass valve, a MRF damper is presented that can be used for vibration mitigation in cable stay bridges under strong storms. Performance characteristics of the by-pass valve and the MRF damper are discussed.
© (2002) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Gregory H. Hitchcock, Faramarz Gordaninejad, and Xiaojie Wang "New by-pass, fail-safe, magnetorheological fluid damper", Proc. SPIE 4696, Smart Structures and Materials 2002: Smart Systems for Bridges, Structures, and Highways, (28 June 2002);

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