Bibliographies thématiques / Tuned mass control

Littérature scientifique sur le sujet « Tuned mass control »

Auteur : Grafiati
Publié le 10 mars 2023

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Articles de revues sur le sujet "Tuned mass control"

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Ko. « Enhancing Robustness of Floor Vibration Control by Using Asymmetric Tuned Mass Damper ». Journal of Korean Society of Steel Construction 26, no 3 (2014) : 177. http://dx.doi.org/10.7781/kjoss.2014.26.3.177.

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Setareh, Mehdi, et Robert D. Hanson. « Tuned Mass Dampers for Balcony Vibration Control ». Journal of Structural Engineering 118, no 3 (mars 1992) : 723–40. http://dx.doi.org/10.1061/(asce)0733-9445(1992)118:3(723).

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Igusa, T., et K. Xu. « Vibration Control Using Multiple Tuned Mass Dampers ». Journal of Sound and Vibration 175, no 4 (août 1994) : 491–503. http://dx.doi.org/10.1006/jsvi.1994.1341.

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Chawhan, Rechal L., Nikhil H. Pitale, S. S. Solanke et Mangesh Saiwala. « Use of Tuned Liquid Damper to Control Structural Vibration Structural. » IOP Conference Series : Materials Science and Engineering 1197, no 1 (1 novembre 2021) : 012053. http://dx.doi.org/10.1088/1757-899x/1197/1/012053.

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Abstract The aim of this paper is to study the tuned liquid damper and it’s effectivness. The tunned liquid dampers are simply tuned mass damper where the liquid (usually water) replaces the mass.Tuned liquid dampers is a water tank placed over the structure which is able to reduce the dynamic structural response subjected to stimulation through sloshing effect. The effectiveness of tuned liquid damper depends upon various parameters. Tuned liquid damper are suitable for high rise building rather than short building. The tuned liquid damper decreases effect of harmonic excitation by Dissipating the energy of excitation through sloshing phenomenon.
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Tophøj, Laust, Nikolaj Grathwol et Svend Hansen. « Effective Mass of Tuned Mass Dampers ». Vibration 1, no 1 (15 septembre 2018) : 192–206. http://dx.doi.org/10.3390/vibration1010014.

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Tuned Mass Dampers (TMDs) are widely used for the control and mitigation of vibrations in engineering structures, including buildings, towers, bridges and wind turbines. The traditional representation of a TMD is a point mass connected to the structure by a spring and a dashpot. However, many TMDs differ from this model by having multiple mass components with motions of different magnitudes and directions. We say that such TMDs have added mass. Added mass is rarely introduced intentionally, but often arises as a by-product of the TMD suspension system or the damping mechanism. Examples include tuned pendulum dampers, tuned liquid dampers and other composite mechanical systems. In this paper, we show how a TMD with added mass can be analyzed using traditional methods for simple TMDs by introducing equivalent simple TMD parameters, including the effective TMD mass, the mass of the equivalent simple TMD. The presence of added mass always reduces the effective TMD mass. This effect is explained as a consequence of smaller internal motions of the TMD due to the increased inertia associated with the added mass. The effective TMD mass must be correctly calculated in order to predict the TMD efficiency and in order to properly tune the TMD. The developed framework is easy to apply to any given general linear TMD system with a known motion. Here, we demonstrate the approach for a number of well-known examples, including tuned liquid dampers, which are shown to use only a small fraction of the total liquid mass effectively.
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Lavasani, Seyed Hossein Hosseini, Hamed Alizadeh, Rouzbeh Doroudi et Peyman Homami. « Vibration control of suspension bridge due to vertical ground motions ». Advances in Structural Engineering 23, no 12 (25 mai 2020) : 2626–41. http://dx.doi.org/10.1177/1369433220919079.

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Suspension bridges due to their long span can experience large displacement response under dynamic loading like earthquakes. Unlike other structures, their vertical vibration may make remarkable difficulty that a control strategy seems to be essential. Tuned mass damper is a passive control system that can be changed to active one by adding an external source producing the active control force called active tuned mass damper. Unlike passive systems, active ones need a controller system affecting the performance of them considerably. In this study, the efficiency of tuned mass damper and active tuned mass damper are investigated in the bridges. Two controllers, fuzzy type 2 and fuzzy type 1, are used to estimate control force of active tuned mass damper. Tuned mass damper’s parameters are optimized under wide range of ground motions. Also, fuzzy type 2 and fuzzy type 1’s parameters are optimized under the influence of three different conditions containing far-field and near-field ground motions and also combination of them. In addition, Lion Pride Optimization Algorithm is selected for optimizing section. Numerical analysis indicates that active tuned mass damper is more effective than tuned mass damper, and also active tuned mass damper does not make any instability matter of concern in active control systems. Furthermore, performance of fuzzy type 2 is better than fuzzy type 1.
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Longarini, Nicola, Marco Zucca et Giuseppe Silvestro. « The Constructions Vibration Control by Tuned Mass Dumper ». IABSE Symposium Report 105, no 17 (23 septembre 2015) : 1–8. http://dx.doi.org/10.2749/222137815818358781.

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Setareh, Mehdi, John K. Ritchey, Thomas M. Murray, Jeong-Hoi Koo et Mehdi Ahmadian. « Semiactive Tuned Mass Damper for Floor Vibration Control ». Journal of Structural Engineering 133, no 2 (février 2007) : 242–50. http://dx.doi.org/10.1061/(asce)0733-9445(2007)133:2(242).

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Lin, Chi‐Chang, Chin‐Ming Hu, Jer‐Fu Wang et Rong‐Yu Hu. « Vibration control effectiveness of passive tuned mass dampers ». Journal of the Chinese Institute of Engineers 17, no 3 (avril 1994) : 367–76. http://dx.doi.org/10.1080/02533839.1994.9677600.

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Chung, Lap-Loi, Yong-An Lai, Chuang-Sheng Walter Yang, Kuan-Hua Lien et Lai-Yun Wu. « Semi-active tuned mass dampers with phase control ». Journal of Sound and Vibration 332, no 15 (juillet 2013) : 3610–25. http://dx.doi.org/10.1016/j.jsv.2013.02.008.

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Thèses sur le sujet "Tuned mass control"

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Alhujaili, Fahad Abdulrahman. « Semi-Active Control of Air-Suspended Tuned Mass Dampers ». University of Dayton / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1354480214.

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Chey, Min Ho. « Passive and Semi-Active Tuned Mass Damper Building Systems ». Thesis, University of Canterbury. Civil and Natural Resources Engineering, 2007. http://hdl.handle.net/10092/3431.

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This thesis explores next generation passive and semi-active tuned mass damper (PTMD and SATMD) building systems for reducing the seismic response of tall structures and mitigating damage. The proposed structural configuration separates the upper storey(s) of a structure to act as the 'tuned' mass, either passively or semi-actively. In the view point of traditional TMD system theory, this alternative approach avoids adding excessive redundant mass that is rarely used. In particular, it is proposed to replace the passive spring damper system with a semi-active resetable device based system (SATMD). This semi-active approach uses feedback control to alter or manipulate the reaction forces, effectively re-tuning the system depending on the structural response. In this trade-off parametric study, the efficacy of spreading stiffness between resetable devices and rubber bearings is illustrated. Spectral analysis of simplified 2-DOF model explores the efficacy of these modified structural control systems and the general validity of the optimal derived parameters is demonstrated. The end result of the spectral analysis is an optimally-based initial design approach that fits into accepted design methods. Realistic suites of earthquake ground motion records, representing seismic excitations of specific return period probability, are utilised, with lognormal statistical analysis used to represent the response distribution. This probabilistic approach avoids bias toward any particular type of ground motion or frequency content. Statistical analysis of the performance over these suites thus better indicates the true overall efficacy of the PTMD and SATMD building systems considered. Several cases of the segregated multi-storey TMD building structures utilising passive devices (PTMD) and semi-active resetable devices (SATMD) are described and analysed. The SATMD building systems show significant promise for applications of structural control, particularly for cases where extra storeys might be added during retrofit, redevelopment or upgrade. The SATMD approach offers advantages over PTMD building systems in the consistent response reductions seen over a broad range of structural natural frequencies. Using an array of performance metrics the overall structural performance is examined without the typically narrow focus found in other studies. Performance comparisons are based on statistically calculated storey/structural hysteretic energy and storey/structural damage demands, as well as conventional structural response performance indices. Overall, this research presents a methodology for designing SATMD building systems, highlighting the adaptable structural configuration and the performance obtained. Thus, there is good potential for SATMD building systems, especially in retrofit where lack of space constrains some future urban development to expand upward. Finally, the approach presented offers an insight into how rethinking typical solutions with new technology can offer dramatic improvements that might not otherwise be expected or obtainable.
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Gutierrez, Soto Mariantonieta. « INVESTIGATION OF PASSIVE CONTROL OF IRREGULAR BUILDING STRUCTURES USING BIDIRECTIONAL TUNED MASS DAMPER ». The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1354596462.

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Liedes, T. (Toni). « Improving the performance of the semi-active tuned mass damper ». Doctoral thesis, University of Oulu, 2009. http://urn.fi/urn:isbn:9789514291258.

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Abstract The tuned mass damper (TMD) is a well-known and approved concept for resonance vibration control. However, as a fully passive device, the traditional TMD has a limited operating band and rather poor robustness against parameter variations. To overcome these weaknesses, a semi-active control can be applied to TMD. As a result, a more effective and flexible device can be attained. In theory, the application of the semi-active scheme is straightforward and the gain in performance is considerable. In practice, however, the non-idealities associated with actuators and control systems degrade the performance. In this thesis, the dynamic behaviour of a semi-active TMD with groundhook control was studied both numerically and experimentally. The semi-active scheme studied is based on groundhook control and a dry-friction damper is used as an actuator in rapid damping modulation. The performance of the semi-active TMD was evaluated in terms of two performance indices which are calculated from the normalised displacement response in the frequency domain. Also, parametric studies were conducted to find out how the different parameters influence the system performance. It is shown that the non-idealities in the semi-active damper have a significant influence on the performance of a groundhook controlled semi-active TMD. On the basis of simulations, a new parameterised semi-active control method was developed. The method is treated as a generalised groundhook control, and it involves a parameter through which the dynamic behaviour of a semi-active TMD can be affected both online and offline. The new method does not require an actuator model. The method developed opens the way for effective use of a non-ideal semi-active actuator, thus ensuring the good performance of the semi-active TMD. Also, the semi-active TMD’s sensitivity for certain parameter variation decreases considerably.
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Rottmann, Cheryl E. « The use of tuned mass dampers to control annoying floor vibrations ». Thesis, This resource online, 1996. http://scholar.lib.vt.edu/theses/available/etd-09182008-063455/.

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Nunziatini, Gioele. « Structural motion control : typologies and applications of tuned mass damper systems ». Master's thesis, Alma Mater Studiorum - Università di Bologna, 2012. http://amslaurea.unibo.it/4249/.

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Ritchey, John Kenneth. « Application of Magneto-Rheological Dampers in Tuned Mass Dampers for Floor Vibration Control ». Thesis, Virginia Tech, 2003. http://hdl.handle.net/10919/35287.

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The purpose of this research is to establish the effectiveness of tuned-mass-dampers (TMD) using semi-active magneto-rheological (MR) dampers to mitigate annoying floor vibrations. Annoying floor vibration is becoming more common in today's building structures since building materials have become stronger and lighter; the advent of computers has resulted in "paperless" offices; and the use of floors for rhythmic activities, such as aerobics and concerts, is more common. Analytical and experimental studies were conducted to provide an understanding of the effects of incorporating the semi-active-TMD as a remedy to annoying floor vibration.

A pendulum tuned mass damper (PTMD) in which the tuning parameters could independently be varied was used. Closed form solutions for the response of the floor using passive dampers were developed. In addition, a numerical integration technique was used to solve the equations of motion where semi-active dampers are utilized. The optimum design parameters of PTMDs using passive and semi-active dampers were found using an optimization routine. Performances of the PTMD in reducing the floor vibration level at the optimum and when subjected to off-tuning of design parameters using passive and semi-active dampers were compared.

To validate the results obtained in the analytical investigation, an experimental study was conducted using an 8 ft x 30 ft laboratory floor and a commercial PTMD. Comparative studies of the effectiveness of the PTMD in reducing floor vibrations using semi-active and passive dampers were conducted.


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Eltaeb, Mohamed A. « Active Control of Pendulum Tuned Mass Dampers for Tall Buildings Subject to Wind Load ». University of Dayton / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=dayton150343994189116.

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Gong, Zheng Li. « Passive motion control of super tall buildings : tuned mass and viscous dampers in Taipei 101 ». Thesis, Massachusetts Institute of Technology, 2009. http://hdl.handle.net/1721.1/51575.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2009.
Includes bibliographical references (leaves 50-51).
As tall buildings keep becoming taller, they become more susceptible to dynamic excitations such as wind and seismic excitations. One way to reduce structural vibration under dynamic excitations is by placing damping devices in the buildings. In this thesis, the design concept, design procedure and some current applications of tuned mass and viscous dampers are discussed. Taipei101 was used as an example to compare the performance of the two damping schemes. It was modeled in a two-dimensional scheme in SAP2000 and a TMD was placed on its top to study its effect on the structural response due to wind and seismic excitations and confirm with the actual results. A sensitivity study was then performed to study the effect of varying the mass ratio on the structural response. A second TMD was then placed at the location where the maximum deflection occurs for the second mode to evaluate its effectiveness in reducing structural response. Finally, twelve viscous dampers were placed in the model to study their effects on the structural response. Time-history and steady-state analysis in SAP2000 were used for the wind and seismic analyses.
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Marian, Laurentiu. « The tuned mass damper inerter for passive vibration control and energy harvesting in dynamically excited structural systems ». Thesis, City University London, 2016. http://openaccess.city.ac.uk/14884/.

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A novel passive vibration control configuration, namely the Tuned-Mass-Damper-Inerter (TMDI) is proposed in this work. The TMDI combines the “inerter”, a mechanical two-terminal flywheel device developing resisting forces proportional to the relative acceleration of its terminals, with the well-known and widely used in various passive vibration control applications Tuned-Mass-damper (TMD). Introduced as a generalization of the TMD, the TMDI takes advantage of the “mass amplification effect” of the inerter to achieve enhanced performance compared to the classical TMD. For linear harmonically excited primary systems, analytical closed-form expressions are derived for optimal TMDI design/tuning parameters using the well-established and widely applied for the case of the classical TMD semi-empirical fixed-point theory. It is shown that for the same attached mass the TMDI system is more effective than the classical TMD to suppress vibrations close to the natural frequency of the uncontrolled primary system, while it is more robust to de-tuning effects. Moreover, it is analytically shown that optimally designed TMDI outperforms the classical TMD in minimizing the displacement variance of undamped linear single-degree-of-freedom (SDOF) white-noise excited primary systems. For this particular case, optimal TMDI parameters are derived in closed-form as functions of the additional oscillating mass and the inerter constant. Furthermore, pertinent numerical data are furnished, derived by means of a numerical optimization procedure, for classically damped mechanical cascaded chain-like primary systems base excited by stationary colored noise. This exemplifies the effectiveness of the TMDI over the classical TMD to suppress the fundamental mode of vibration for linear MDOF structures. It is concluded that the incorporation of the inerter in the proposed TMDI configuration can either replace part of the TMD vibrating mass to achieve lightweight passive vibration control solutions, or improve the performance of the classical TMD for a given TMD mass. The TMDI is further applied for passive vibration control of seismically excited building structures. An input non-stationary stochastic process compatible with the elastic design spectrum of the European aseismic code provisions (EC8) is assumed. The effectiveness of the proposed TMDI configuration over the classical TMD is assessed by performing response history analyses for an ensemble of EC8 spectrum compatible field recorded strong ground motions. The optimally tuned TMDI solution achieves considerable reduction of the peak average top floor displacement and peak average top floor accelerations of the considered primary structures compared to the one achieved by the optimally designed classical TMD, assuming the same additional mass in both cases. Furthermore, the TMDI configuration achieves significant reduction in the maximum displacement of the additional oscillating mass. In this study, the primary structures are assumed to behave linearly in alignment with current trends in performance based requirements for minimally damaged structures protected by passive control devices. Furthermore, optimally designed TMDI is applied for vibration suppression and energy harvesting via an electromagnetic device which transforms the mechanical kinetic energy into electrical energy. Unlike the case of traditional energy harvesting enabled TMD systems, the amount of available energy to be harvested by the herein proposed TMDI-based harvester is leveraged by changing the intensity of the mass amplification effect of the inerter, through mechanical gearing, without changing the weight of the TMDI system. Therefore, the inclusion of the inerter adds a “degree of freedom” or a design parameter to the classical TMD-based harvesters allowing to control the trade-off between vibration suppression and energy harvesting in a more flexible manner. Overall, the herein reported numerical data and analytical work provide evidence that the TMDI offers a novel promising solution for passive vibration control and energy harvesting. Most importantly, it opens several new research paths involving numerical/parametric work, as well as, prototyping, experimental testing and field deployment.
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Livres sur le sujet "Tuned mass control"

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Gebrail Bekdaş ; et Sinan Melih Nigdeli. Optimization of Tuned Mass Dampers : Using Active and Passive Control. Springer International Publishing AG, 2022.

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Chapitres de livres sur le sujet "Tuned mass control"

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Ulusoy, Serdar, Sinan Melih Nigdeli et Gebrail Bekdaş. « Introduction and Review on Active Structural Control ». Dans Optimization of Tuned Mass Dampers, 41–54. Cham : Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-98343-7_3.

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Bekdaş, Gebrail, Sinan Melih Nigdeli et Aylin Ece Kayabekir. « Introduction and Overview : Structural Control and Tuned Mass Dampers ». Dans Optimization of Tuned Mass Dampers, 1–13. Cham : Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-98343-7_1.

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Ocak, Ayla, Sinan Melih Nigdeli et Gebrail Bekdaş. « Passive Control via Mass Dampers : A Review of State-Of-The-Art Developments ». Dans Optimization of Tuned Mass Dampers, 15–40. Cham : Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-98343-7_2.

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Djerouni, Salah, Mahdi Abdeddaim, Said Elias, Dario De Domenico et Rajesh Rupakhety. « Optimal Seismic Response Control of Adjacent Buildings Coupled with a Double Mass Tuned Damper Inerter ». Dans Optimization of Tuned Mass Dampers, 97–117. Cham : Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-98343-7_6.

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Ho, Wilson, Banting Wong et David England. « Tuned Mass Damper for Rail Noise Control ». Dans Notes on Numerical Fluid Mechanics and Multidisciplinary Design, 89–96. Tokyo : Springer Japan, 2012. http://dx.doi.org/10.1007/978-4-431-53927-8_11.

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Adam, Christoph, et Thomas Furtmüller. « Seismic Performance of Tuned Mass Dampers ». Dans Mechanics and Model-Based Control of Smart Materials and Structures, 11–18. Vienna : Springer Vienna, 2010. http://dx.doi.org/10.1007/978-3-211-99484-9_2.

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Chowdhury, A. H., M. D. Iwuchukwu et J. J. Garske. « The Past and Future of Seismic Effectiveness of Tuned Mass Dampers ». Dans Structural Control, 105–27. Dordrecht : Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3525-9_7.

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Wesolowsky, Michael J., Allan L. Raun, Ramin Behboudi et John C. Swallow. « Using Tuned Mass Dampers to Control Imperceptible Motions ». Dans Dynamics of Civil Structures, Volume 4, 501–7. Cham : Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-04546-7_54.

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Altay, Okyay, Francesca Taddei, Christoph Butenweg et Sven Klinkel. « Vibration Mitigation of Wind Turbine Towers with Tuned Mass Dampers ». Dans Advances in Industrial Control, 337–73. Cham : Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-08413-8_12.

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Boccamazzo, Antonio, Biagio Carboni, Giuseppe Quaranta et Walter Lacarbonara. « Optimization Strategies of Hysteretic Tuned Mass Dampers for Seismic Control ». Dans Nonlinear Dynamics and Control, 99–106. Cham : Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-34747-5_10.

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Actes de conférences sur le sujet "Tuned mass control"

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Mondal, Jitaditya, Baher Azzam, Mousa Abuhalaiqa et Reza Tafreshi. « Active Tuned Mass Damper ». Dans 2015 23th Mediterranean Conference on Control and Automation (MED). IEEE, 2015. http://dx.doi.org/10.1109/med.2015.7158917.

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Chandrasekaran, Srinivasan, Deepak Kumar et Ranjani Ramanathan. « Response Control of TLP Using Tuned Mass Dampers ». Dans ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/omae2014-23597.

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Offshore tension leg platform (TLP) is a compliant type offshore structure where the tendons are deployed under initial pretension to counteract the excessive buoyancy. TLPs show large amplitude response under environmental loads due to their compliancy, which poses threat under extreme loads. Use of passive dampers like Tuned Mass Damper (TMD) is common to control such large amplitude motion, however their deployment in offshore structures is relatively new. Response control of a scaled model of TLP is attempted using tuned mass damper of pendulum type under regular waves. Based on the experimental studies carried out, it is seen that there is a significant reduction in the surge response under the folded pendulum type damper. Results also show that there is a reduction in the heave response due to the control envisaged in the surge motion. The discussed method of response control is one of the effective methods of retrofitting offshore platforms whose operability at rough sea states is a serious concern.
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Kim, Hyun-Su. « Control Performance Evaluation of Shared Tuned Mass Damper ». Dans Architecture and Civil Engineering 2014. Science & Engineering Research Support soCiety, 2014. http://dx.doi.org/10.14257/astl.2014.69.01.

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Masaki, Nobuo, et Hisashi Hirata. « Vibration Control Performance of Damping Coupled Tuned Mass Dampers ». Dans ASME/JSME 2004 Pressure Vessels and Piping Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/pvp2004-2940.

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Recently tuned mass dampers have been installed on three-story prefabricated houses for reducing of traffic-induced vibration and improving living comfort. This tuned mass damper consists of a mass unit, spring units and laminated rubber bearings. The mass is supported by four laminated rubber bearings, and spring units are used for adjusting the natural frequency of the tuned mass damper to the optimal value. Vibration control performance of this type of tuned mass dampers is deteriorated when the natural frequency of the house is changed. To solve this problem, the authors have developed a damping coupled tuned mass damper. In this type of tuned mass damper, two mass units having slightly different natural frequencies are coupled by using a damping unit. In this paper, mechanism and vibration control performance of the damping coupled tuned mass damper are described.
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S., Brown, Hwang JP. et Parker A. « Control of Excessive Footbridge Vibration using Tuned Mass Dampers ». Dans 4th International Conference on Steel & Composite Structures. Singapore : Research Publishing Services, 2010. http://dx.doi.org/10.3850/978-981-08-6218-3_shm-we028.

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Kim, Hongjip, Arthur Smith, Oumar Barry et Lei Zuo. « Self-Resonant Energy Harvester With a Passively Tuned Sliding Mass ». Dans ASME 2019 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/dscc2019-9000.

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Abstract Passive tuning phenomenon with a sliding mass on a vibrating beam has been observed and studied in the literature. Such a phenomenon can be extended to self-resonant energy harvesting, where the natural frequency can be favorably adjusted to the excitation frequency for enhanced energy harvesting. In this paper, we consider the nonlinear dynamic coupling of a piezoelectric clamped-clamped beam with sliding mass and study experimentally and numerically how these nonlinear interactions affect the performance of the energy harvester. We derive the mathematical model using the extended Hamilton principle. The governing equations of motion are obtained as three coupled nonlinear partial differential equations. The Galerkin method is employed to obtain a reduced order model. Our mathematical formulation is validated via experiments and the results show very good agreement between the simulation and the experiment. Parametric studies are carried out to examine how key parameters affect the performance of the energy harvester. The findings suggest that a passively tuned mechanism with a small sliding mass can increase the power output even when the excitation frequency is far off the original resonance.
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Baoya, Cao, et Li Chunxiang. « Design of active tuned mass damper based on robust control ». Dans 2012 IEEE International Conference on Computer Science and Automation Engineering (CSAE). IEEE, 2012. http://dx.doi.org/10.1109/csae.2012.6272877.

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Daniel, Y., O. Lavan et R. Levy. « Multi-Modal Control of Pedestrian Bridges Using Tuned-Mass-Dampers ». Dans Structures Congress 2012. Reston, VA : American Society of Civil Engineers, 2012. http://dx.doi.org/10.1061/9780784412367.042.

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Golafshani, A. A., et A. Gholizad. « Tuned Mass Damper for Vibration Control in Steel Jacket Platforms ». Dans ASME 2008 27th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2008. http://dx.doi.org/10.1115/omae2008-57034.

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Considering the stress cycles in joints and members due to wave induced forces on offshore platforms, fatigue analysis is therefore one of the most important analyses in offshore platforms design. Most of steel jacket type platforms located in areas with relatively high ratios of operational sea-states to maximum design environmental events; fall in acceptable safety margin in inplace and seismic analyses. But in fatigue analyses they will face critical condition. Therefore it seems that utilizing control mechanisms with the aim of increasing fatigue life in such platforms will be more preferable to merely deck displacement control. Investigation of tuned mass dampers adjustable parameters optimality for vibration control of wave excited structures implies that optimum tuning and damping ratios are strongly dependent to sea-state in addition to system parameters. The efficiency of optimally designed tuned mass damper for fatigue damage mitigation in realistic steel jacket platforms has been evaluated in this study. Full stochastic spectral analysis method has been employed to estimate the maximum fatigue damage as objective function to be minimized. This leads to a min-max problem which has been solved with Micro Genetic Algorithm. Furthermore the efficiency of a variable TMD with different optimum mass for each sea-state has been evaluated in comparison with a TMD with constant parameters.
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Wei Zhuang, S. Leming, J. Kuehn, Huan Zeng et H. Stalford. « Semi-active tuned mass damper design for balcony vibration control ». Dans Proceedings of 2000 American Control Conference (ACC 2000). IEEE, 2000. http://dx.doi.org/10.1109/acc.2000.879232.

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