Relevant bibliographies by topics / Damping coefficient estimation

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Damping coefficient estimation'

Author: Grafiati
Published: 4 June 2021
Last updated: 8 February 2022

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Journal articles on the topic "Damping coefficient estimation"

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YAN, Zhongsen, Hiroki TANAKA, Jungo MATUZOE, and Kazuhiro TANAKA. "Estimation of Damping Coefficient of Acoustic Vibration." Transactions of the Japan Society of Mechanical Engineers Series B 62, no. 604 (1996): 4142–47. http://dx.doi.org/10.1299/kikaib.62.4142.

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Zhang, Sheng-Peng, and Tae-Oh Tak. "Efficiency Estimation of Roller Chain Power Transmission System." Applied Sciences 10, no. 21 (2020): 7729. http://dx.doi.org/10.3390/app10217729.

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In the present study, a novel approach to estimating the efficiency of roller chain power transmission systems is proposed based on sliding friction losses and damping force. The dynamics model is taken into account between chain links with lateral offset owing to the derailleur system. Frictional losses were calculated according to Coulomb’s law of friction, and the damping force was dependent on the damping coefficient. The effects of rotational speed, load, derailleur system, and damping coefficient on transmission efficiency were analyzed. The test stand of the roller chain power transmiss
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Duan, Zhi, Hai Bao, Ling Wang, Gang Liu, and Xiao Ming Han. "The Fast Estimation of the Electromechanical Oscillation Frequency." Applied Mechanics and Materials 385-386 (August 2013): 1135–40. http://dx.doi.org/10.4028/www.scientific.net/amm.385-386.1135.

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Analyzing stability of power system mainly relates to the model of machine, which can be simulated by two order and damping coefficient D (D represents mechanical damping and electrical damping), but there is no standard which can illustrate how much the damping coefficient D is. Usually power flow, excitation system, PSS and prime mover system affect the total damping largely, but have little impact on the electromechanical oscillation frequency. Firstly the paper theoretically proves the correctness of calculating electromechanical inherent frequency with system matrix. Secondly considering
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Chung, Chunhui, Minh-Quang Tran, and Meng-Kun Liu. "Estimation of Process Damping Coefficient Using Dynamic Cutting Force Model." International Journal of Precision Engineering and Manufacturing 21, no. 4 (2020): 623–32. http://dx.doi.org/10.1007/s12541-019-00297-5.

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Kang, Ho-Young, Chan-Jung Kim, and Jaewoong Lee. "Modal Damping Coefficient Estimation of Carbon-Fiber-Reinforced Plastic Material Considering Temperature Condition." Materials 13, no. 12 (2020): 2872. http://dx.doi.org/10.3390/ma13122872.

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Excellent mechanical properties of carbon-fiber-reinforced plastic material (CFRP) demonstrates many possibilities in industries using lightweight materials, but unlike isotropic materials, such as iron, aluminum, and magnesium, they show direction-sensitive properties, which makes it difficult to apply for them. The sensitivity of a modal damping coefficient of a CFRP material over the direction of carbon fiber was examined on spectral input patterns in recent research, but the effect of temperature was not considered up to now. To overcome this, uniaxial vibration tests were conducted using
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Młynarczyk, Przemysław, and Piotr Cyklis. "The estimation of the pressure pulsation damping coefficient of a nozzle." Journal of Sound and Vibration 464 (January 2020): 115002. http://dx.doi.org/10.1016/j.jsv.2019.115002.

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Benahmed, Baizid, Malek Hammoutene, and Donatello Cardone. "Effects of Damping Uncertainties on Damping Reduction Factors." Periodica Polytechnica Civil Engineering 61, no. 2 (2016): 341. http://dx.doi.org/10.3311/ppci.9665.

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It is apparent that the dynamic response of a building dependson its energy dissipation capacity, hence damping ratio. Thedamping value experienced by a building during an earthquakediffers significantly from the value specified in the design step.This introduces uncertainties in the design process of the building.It would be desirable to consider not only the effects ofuncertainties in loading but also the uncertainties in the structuralparameters. In this paper, the effects of uncertainties in the estimation ofdamping ratio ξ, on the use of Damping Reduction Factors (DRF) for the evaluation
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Qiao, Dongsheng, and Jinping Ou. "Mooring Line Damping Estimation for a Floating Wind Turbine." Scientific World Journal 2014 (2014): 1–10. http://dx.doi.org/10.1155/2014/840283.

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The dynamic responses of mooring line serve important functions in the station keeping of a floating wind turbine (FWT). Mooring line damping significantly influences the global motions of a FWT. This study investigates the estimation of mooring line damping on the basis of the National Renewable Energy Laboratory 5 MW offshore wind turbine model that is mounted on the ITI Energy barge. A numerical estimation method is derived from the energy absorption of a mooring line resulting from FWT motion. The method is validated by performing a 1/80 scale model test. Different parameter changes are an
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Raymond, Jason L., Ying Luan, Tom van Rooij, et al. "Estimation of damping coefficient based on the impulse response of echogenic liposomes." Journal of the Acoustical Society of America 135, no. 4 (2014): 2310. http://dx.doi.org/10.1121/1.4877616.

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MORITA, Shigeru. "615 Improvement of Damping Coefficient Estimation by Using H2 Estimation and Phase Angle of Bode Plot." Proceedings of Conference of Chugoku-Shikoku Branch 2010.48 (2010): 189–90. http://dx.doi.org/10.1299/jsmecs.2010.48.189.

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Dissertations / Theses on the topic "Damping coefficient estimation"

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Alberto, Luís Fernando Costa. "Análise de estabilidade transitória: estudos do método BCU; proposta de estimativa de amortecimento para estabilidade absoluta em \"OMIBS\"." Universidade de São Paulo, 1997. http://www.teses.usp.br/teses/disponiveis/18/18133/tde-19012018-153328/.

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O crescimento da demanda de energia e das interligações entre os Sistemas Elétricos de Potência, assim como a necessidade de prestação de melhores serviços exigem que as técnicas de análise destes sejam cada vez mais rápidas e refinadas. Dentre estas técnicas, as análises de estabilidade transitória através de métodos energéticos são estudadas e o desenvolvimento de técnicas computacionais que permitam a análise em tempo real da estabilidade transitória é o principal objetivo deste trabalho. Os métodos energéticos são métodos diretos adequados à aplicações em tempo real, pois obtém informações
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Liu, Te-Wei, and 劉得偉. "An Inverse Vibration Problem of Estimating Coefficients of Stiffness and Damping for the Multiple Degrees of Freedom System with Non-linear External Forces." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/13939892173889638651.

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碩士<br>國立高雄應用科技大學<br>模具工程系<br>99<br>In this study the Beck’s nonlinear estimation procedure coupled with Runge-Kutta method is applied to solve the reverse of multiple degrees of freedom with nonlinear external force vibration problems. The sensitivity coefficients of Beck’s nonlinear estimation procedure are modified by the fourth-order Runge-Kutta numerical method, improves the accuracy of the program to accelerate the iteration convergence rate, and so reverse forecast multiple unknown stiffness and damping coefficients. Baker's estimate of the original program is a non-linear first-order T
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Books on the topic "Damping coefficient estimation"

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Andersen, I. Digital instrumentation for damping coefficient estimation. UMIST, 1995.

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Book chapters on the topic "Damping coefficient estimation"

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Peixoto, Thales Freitas, Gregory Bregion Daniel, and Katia Lucchesi Cavalca. "Experimental Estimation of Equivalent Damping Coefficient of Thrust Bearings." In Lecture Notes in Mechanical Engineering. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-91217-2_2.

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Conference papers on the topic "Damping coefficient estimation"

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Lie, Halvor, Zhen Gao, and Torgeir Moan. "Mooring Line Damping Estimation by a Simplified Dynamic Model." In ASME 2007 26th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2007. http://dx.doi.org/10.1115/omae2007-29155.

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When predicting slowly varying resonant vessel motions, a realistic estimate of the motion damping is crucial. Mooring line damping, which is mainly induced by the drag force on line, can dominate the total damping of catenary moored systems and methods for predicting mooring line damping are therefore required. Based on a simplified dynamic model of mooring line tension, an approach to estimate the corresponding damping is presented in this paper. Short-term time domain simulations of dynamic line tension are carried out to verify the accuracy of the simplified frequency domain approach. Comp
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Alshahrestani, Ahmad, M. E. H. Golshan, and Hassan Haes Alhelou. "WAMS Based Online Estimation of Total Inertia Constant and Damping Coefficient for Future Smart Grid Systems." In 2018 Smart Grid Conference (SGC). IEEE, 2018. http://dx.doi.org/10.1109/sgc.2018.8777801.

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Anwar, Tanvir, and Adel Al Jumaily. "System identification and damping coefficient estimation from EMG based on ANFIS to optimize human exoskeleton interaction." In 2016 IEEE International Conference on Fuzzy Systems (FUZZ-IEEE). IEEE, 2016. http://dx.doi.org/10.1109/fuzz-ieee.2016.7737776.

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Delgado, Adolfo, and Luis San Andre´s. "Identification of Structural Stiffness and Damping Coefficients of a Shoed Brush Seal." In ASME 2005 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/detc2005-84159.

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The multiple-shoe brush seal, a variation of a standard brush seal, accommodates arcuate pads at the bristles free ends. This novel design allows reverse shaft rotation operation, and reduces and even eliminates bristle wear, since the pads lift off due to the generation of a hydrodynamic film during rotor spinning. This type of seal, able to work at both cold and high temperatures, not only restricts secondary leakage but also acts as an effective vibration damper. The dynamic operation of the shoed-brush seals, along with the validation of reliable predictive tools, relies on the appropriate
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Xiang, Xu, Erik Svangstu, Øyvind Nedrebø, et al. "Viscous Damping Modelling of Floating Bridge Pontoons With Heaving Skirt and its Impact on Bridge Girder Bending Moments." In ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/omae2017-61041.

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The current floating bridge concepts of Norwegian Public Roads Administration (Statens vegvesen, NPRA) use a flange shape part at the bottom part of the pontoons. The flange is in principle similar to the damping plates used in the offshore industry for SPAR type of structures. The project group initiated the flange part based on the requirement of extra added mass for tuning the bridge system Eigen-modes. Thus, the important modes can be shifted out of the main wave energy zone. The current study will focus on the damping effects of such structure. The damping effects on weak axis bending mom
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Aarsæther, K. G., D. Kristiansen, B. Su, and C. Lugni. "Modelling of Roll Damping Effects for a Fishing Vessel With Forward Speed." In ASME 2015 34th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/omae2015-41856.

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Vessels in the ocean-going fishing fleet are in general operating in almost all weather conditions. This includes operation in high sea-states which may lead to large amplitude ship motions, depending on the seakeeping characteristics of the vessel. Wave-induced ship motions are important factors for the safety and well-being of fishermen at work. Generally, potential flow theory overpredicts wave-induced roll motion amplitudes for conventional ship hulls. This is due to the presence of viscous damping effects in reality. Large amplitude roll motion of ships can be a real problem if no anti-ro
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Lee, HyunWook, Corina Sandu, Carvel Holton, and Mehdi Ahmadian. "An Empirical Approach to Modeling the Friction Coefficient for Wheel-Rail Contact." In ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/detc2009-86429.

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The coefficient of friction (CoF) is one of the most important parameters for the contact between the wheel and the rail. Accurate estimation or measurement of the CoF has a very important role, both in terms of modeling the train dynamics and in terms of reducing operational costs in the long-term. For ease of implementation, since the nature of the wheel-rail contact dynamics is very complex, the assumption of a constant CoF is still used in most theoretical studies. Nevertheless, experimental work indicates that the CoF depends on dynamic changes in various wheel-rail conditions, like slidi
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Yang, Tachung, Kwang-Lu Koai, Chun-Yi Lin, and Wen-Ming Xu. "Model-Based Unbalance Estimation for Steam Turbine-Generators." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-41367.

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As demanded for parameter estimation based on the measured signals, a model-based method to estimate the unbalance distribution of steam turbine-generators due to unbalance response was proposed in this paper. The equivalent modal damping ratios for each mode estimated by GA from the measured Bode plots are incorporated into the modal models. A finite number of the modes are used to calculate the influence coefficient matrix. Finally, the equivalent unbalance distribution on the selected correction planes is estimated based on the measured responses. The merit of this approach is that no test
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Wakabayashi, Katsuhiko, Yasuhiro Honda, Tomoaki Kodama, and Hiroshi Okamura. "Simulation Method of Torsional Vibration Waveform of Reciprocating Engine Crankshaft Systems by Transition Matrix Method." In ASME 1999 Design Engineering Technical Conferences. American Society of Mechanical Engineers, 1999. http://dx.doi.org/10.1115/detc99/vib-8124.

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Abstract The torsional vibration of the crankshaft system of high speed diesel engines has become more excessive with the increase of engine power and with the decrease of engine rigidity. So it is necessary in the design stage to improve accuracy in the calculation of maximum torsional vibration amplitude at resonant engine speed. At first, this paper refers to a method for obtaining experimentally engine damping that is necessary for the calculation of torsional vibration. If the value of the damping cannot be accurately estimated, the accuracy of the calculated result is still not satisfact
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Mori, Tatsuya, and Takashi Saito. "Estimation of Erythrocyte Deformability Using a Viscoelastic Model With Two Degrees of Freedom." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-63840.

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An erythrocyte is represented using a viscoelastic model with two degrees of freedom, where a spring was connected parallel to a dashpot to estimate quantitatively the dynamic deformability. To identify such parameters as the elastic modulus and viscous damping coefficient of the model, erythrocytes were deformed using a periodical shear flow field. Displacement of the center of gravity ΔG and the deformation quantity of major axis ΔL were obtained from time series of images. In this paper, erythrocytes from a normal subjects were treated with glutaraldehyde to create variations in hardness an
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