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Tags: MR Damper

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  1. Model-Based Framework for Real-Time Dynamic Structural Performance Evaluation

    02 Oct 2012 | Publications | Contributor(s): Brian Phillips, Billie F. Spencer

    Extreme dynamic events continue to demonstrate the fragility of civil infrastructure worldwide. Over the years, design codes and computational tools have come to reflect an improved understanding...

    http://nees.org/resources/5023

  2. Response Control of Seismically Excited Buildings: Application of Viscous Damping and Negative Stiffness Control Algorithm

    07 Jun 2012 | Publications | Contributor(s): Huan Hu

    This thesis focuses on the application of the viscous damping and negative stiffness (VDNS) algorithm to the seismic response control of buildings. It provides an effective option for the...

    http://nees.org/resources/4498

  3. Hyperbolic Tangent Model (Version 2) for 200 kN Large-Scale Magneto-Rheological Fluid (MR) Damper

    03 Jun 2012 | Computational Models | Contributor(s): Zhaoshuo Jiang, Richard Christenson

    The Magneto-Rheological (MR) fluid damper is a promising type of semi-active device for civil structures due to its mechanical simplicity, inherent stability, high dynamic range, large temperature...

    http://nees.org/resources/4452

  4. Increasing Resilience in Civil Structures Using Smart Damping Technology

    03 Jun 2012 | Publications | Contributor(s): Zhaoshuo Jiang

      Highway bridges are a significant and critical component of the civil infrastructure. However, they are continuously approaching or exceeding their design life and are increasingly being...

    http://nees.org/resources/4494

  5. Phenomenological Bouc-Wen Model for 200 kN Large-Scale Magneto-Rheological Fluid (MR) Damper

    27 Jan 2012 | Computational Models | Contributor(s): Anthony Friedman, Zhaoshuo Jiang

    This is a Phenomological Bouc Wen model for 200 KN large-scale magneto-rheological fluid damper (a model of the PWM Servo-Amplifier used to drive the damper is also included) developed at the...

    http://nees.org/resources/4122

  6. Hyperbolic Tangent Model for 200 kN Large-Scale Magneto-Rheological Fluid (MR) Damper

    15 Aug 2011 | Computational Models | Contributor(s): Zhaoshuo Jiang, Richard Christenson

    The Magneto-Rheological (MR) fluid damper is a promising type of semi-active device for civil structures due to its mechanical simplicity, inherent stability, high dynamic range, large temperature...

    http://nees.org/resources/3479

  7. Seismic Fragility Relationships for Civil Structures with Semi-Active Control Devices

    05 Jan 2011 | Publications | Contributor(s): Waleed Barnawi

    Development of techniques for seismic mitigation has become increasingly important for communities throughout the world. Of the many available techniques, structural control has emerged as a...

    http://nees.org/resources/2181

  8. NEESR Project Website

    NEESR-SG: Performance-Based Design and Real-time Large-scale Testing to Enable Implementation of Advanced Damping Systems This website is currently under construction. Please check back...

    http://nees.org/groups/nees_2008_0648/wiki/NEESRProjectWebsite

  9. Accommodating MR Damper Dynamics for Control of Large Scale Structural Systems

    16 Aug 2010 | Publications | Contributor(s): Anthony Joseph Friedman, Jianqiu Zhang, Brian Phillips, Zhaoshuo Jiang, Anil Agrawal, Shirley Dyke, James Ricles, Bill Spencer, Richard Sause, Richard Christenson

    The focus of this paper is to propose three new control strategies for an advanced damping system utilizing magnetorheological (MR) dampers and investigate their effectiveness, and to validate...

    http://nees.org/resources/674

  10. Real-time Hybrid Simulation Benchmark Study with a Large-Scale MR Damper

    16 Aug 2010 | Publications | Contributor(s): Brian Phillips, Yunbyeong Chae, Zhaoshuo Jiang, Bill Spencer, James Ricles, Richard Christenson, Shirley Dyke, Anil Agrawal

    Real-time hybrid simulation is a powerful and cost effective alternative for testing rate dependent structural components such as advanced energy dissipation devices. Hybrid simulation, of which...

    http://nees.org/resources/676

  11. Development of a Large-Scale MR Damper Model for Seismic Hazard Mitigation Assessment of Structures

    16 Aug 2010 | Publications | Contributor(s): Yunbyeong Chae, James Ricles, Richard Sause

    During the past decade a number of researchers have investigated the behavior of magneto-rheological (MR) dampers and semi-active control laws associated with using these devices for earthquake...

    http://nees.org/resources/672

  12. Comparison of 200 KN MR Damper Models for use in Real-time Hybrid Simulation

    16 Aug 2010 | Publications | Contributor(s): Zhaoshuo Jiang, Richard Christenson, Yunbyeong Chae, James Ricles, Anthony Joseph Friedman, Shirley Dyke, Brian Phillips, Bill Spencer

    Control devices can be used to dissipate the energy of a civil structure subjected to dynamic loading, such as an earthquake, thus reducing structural damage and preventing failure. The...

    http://nees.org/resources/670

  13. Project Page

    This is our starting wiki.

    http://nees.org/groups/nees_2008_0648/wiki/MainPage