Relevant bibliographies by topics / Random vibrationsimulated input vibration

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

Academic literature on the topic 'Random vibrationsimulated input vibration'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Random vibrationsimulated input vibration"

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Cryns, Jackson W., Brian K. Hatchell, Emiliano Santiago-Rojas, and Kurt L. Silvers. "Experimental Analysis of a Piezoelectric Energy Harvesting System for Harmonic, Random, and Sine on Random Vibration." Advances in Acoustics and Vibration 2013 (August 4, 2013): 1–12. http://dx.doi.org/10.1155/2013/241025.

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Harvesting power with a piezoelectric vibration powered generator using a full-wave rectifier conditioning circuit is experimentally compared for varying sinusoidal, random, and sine on random (SOR) input vibration scenarios; the implications of source vibration characteristics on harvester design are discussed. The rise in popularity of harvesting energy from ambient vibrations has made compact, energy dense piezoelectric generators commercially available. Much of the available literature focuses on maximizing harvested power through nonlinear processing circuits that require accurate knowled
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Curtis, Allen, and Richard McKain. "A Quantitative Method of Tailoring Input Spectra for Random Vibration Screens." Journal of the IEST 30, no. 5 (1987): 42–49. http://dx.doi.org/10.17764/jiet.1.30.5.k052x160040020n8.

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This paper presents a rational method by which an effective random vibration screen may be developed efficiently and quantitatively. In summary, a Flaw Precipitation Threshold (FPT) was derived from measurements of vibration response at known flaw locations. Responses were measured on a variety of modern electronic and electro-mechanical equipment, manufactured by five different manufacturers, during ongoing vibration screens. A vibration screen can be tailored for a piece of equipment by performing a global vibration response survey and adjusting the input spectra so that the response falls w
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Kim, Ghi-Seok, Hyun-Mo Jung, Ki-Bok Kim, and Man-Soo Kim. "Vibration Characteristics of Packaged Freight and Packaged Apples by Random Vibration Input." Journal of Biosystems Engineering 33, no. 1 (2008): 45–50. http://dx.doi.org/10.5307/jbe.2008.33.1.045.

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Li, Jie, Zhen Wei Zhang, Shao Wei Chen, and Chu Xu Zhang. "Ride Comfort Simulation of Minibus under Road Random Input." Applied Mechanics and Materials 711 (December 2014): 78–81. http://dx.doi.org/10.4028/www.scientific.net/amm.711.78.

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The plane vibration model of minibus with 7 DOF is used to study ride comfort of minibus under road random input. The system frequency response characteristics based on the road input of front wheel is derived with the analysis method in frequency domain. The frequency response function, power spectral density and root mean square value of vibration response variables are determined. Ride comfort simulation software for minibus under road random input is developed with Matlab and applied to ride comfort analysis of a minibus under road random input. The results show that ride comfort of the mi
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Kaufman, Daniel. "Force-Limiting Testing for the Small Explorer Satellite Program at NASA Goddard Space Flight Center." Journal of the IEST 43, no. 1 (2000): 24–30. http://dx.doi.org/10.17764/jiet.43.1.b1k7273p20um211n.

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The Wide Field Infrared Explorer (WIRE) and Transition Region Coronal Explorer (TRACE) Space-craft underwent random vibration testing using force-limiting techniques as a means of controlling the vibration input motions. Interface force measurements were made for random vibration tests. Automatic force feedback notching was provided for the random vibration tests. This paper presents the methods employed to determine force spectrums. Test results are presented to show the effects of the force-limiting technique.
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Reddy, Anjali, Hamsini K, and Harsh S. Petunias. "Design and Development of Vibration Testing Fixtures." International Journal of Students' Research in Technology & Management 4, no. 1 (2016): 08–11. http://dx.doi.org/10.18510/ijsrtm.2016.413.

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This paper deals with the Design of Vibration Testing Fixtures for Random Vibration loads as specified by the MIL 810 military standards. Following selection of the right material and configuration of the fixtures, CAD models are generated and numerically checked for natural frequencies and mode shapes using Finite Element Analysis. Based on these results, the response of the fixtures to the MIL 810 standard Random Vibration profile input is measured using Finite Element Analysis and the transmissibility is calculated.Finally, the fixture is tested experimentally for to the MIL 810 standard Ra
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Liu, Zi Min, and Zhi Ling Yang. "Wind Turbine Gearbox Transmission Chain Forced Vibration Analysis Exerted by Random Actuator." Applied Mechanics and Materials 472 (January 2014): 22–26. http://dx.doi.org/10.4028/www.scientific.net/amm.472.22.

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The reason for the gearbox high failure rate is mainly its poor working environment, especially the vibration due to random actuator. Consequently, its necessary to study the gearbox vibration characteristics under random actuators to prevent from serious damage caused by a resonance. In order to follow the actual working condition, random input speed and random torque actuators are inputted with power spectrum density method (PSD). 64 orders of natural frequencies, displacement frequency response and modal participation factor are obtained after computation and simulation. The analysis result
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Sun, Zuo Yu, Hui Wang, Yong Shan Zhang, and Le Wei Yan. "Random Vibration Analysis for a Building under Evolutionary Random Excitations." Applied Mechanics and Materials 376 (August 2013): 262–66. http://dx.doi.org/10.4028/www.scientific.net/amm.376.262.

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For a building under evolutionary random excitations, a new random vibration analysis based on equivalent excitation method is presented, in which, the equivalent excitation is constructed by using continuous wavelet transform. When the input power spectral density of a seismic excitation is modulated by a time varying function, the continuous wavelet coefficients are calculated firstly by using scales and the evolutionary power spectral density, then the equivalent excitation is constructed by inverse continuous wavelet transform, finally the random vibration analysis is carried out following
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Rassaian, Mostafa. "Power Spectral Density Conversions and Nonlinear Dynamics." Shock and Vibration 1, no. 4 (1994): 349–56. http://dx.doi.org/10.1155/1994/903103.

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To predict the vibration environment of a payload carried by a ground or air transporter, mathematical models are required from which a transfer function to a prescribed input can be calculated. For sensitive payloads these models typically include linear shock isolation system stiffness and damping elements relying on the assumption that the isolation system has a predetermined characteristic frequency and damping ratio independent of excitation magnitude. In order to achieve a practical spectral analysis method, the nonlinear system has to be linearized when the input transportation and hand
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Gui, E. H., and V. A. Squire. "Random vibration of floating ice tongues." Antarctic Science 1, no. 2 (1989): 157–63. http://dx.doi.org/10.1017/s0954102089000234.

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A normal mode approach is used to model the behaviour of a linearly-damped, elastic, ice beam floating on a fluid foundation and subjected to a random distributed loading. As an example, two loading regimes are considered to act on the Erebus Glacier Tongue, McMurdo Sound: broad bandwidth (‘white noise’) loading, and an ocean wave-type pressure distribution beneath the tongue. For white noise input, the root mean square (rms) deflexion is found to good accuracy within the first few modes, but the rms bending moment increases with the number of modes included in the summation due to the unlimit
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Dissertations / Theses on the topic "Random vibrationsimulated input vibration"

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Abrescia, Angelamaria. "EFFICIENCY OF PIEZOELECTRIC ENERGY HARVESTING DEVICES UNDER RANDOM VIBRATION CONSIDERING INPUT FREQUENCY CONTENT." Doctoral thesis, 2017. http://hdl.handle.net/11589/103912.

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This thesis is focused on the analysis of the response of piezoelectric systems for Energy Harvesting subject to ambient natural vibrations. Coherently with what happens in reality, vibrations have been modelled as a random process to represent their variable nature. Moreover, the proper representation of vibrations represents a critical aspect to favor an effective and efficient design of Energy Harvesting devices. In fact, the need for power supply is a critical constraint that sometimes limits the use of such kind of devices in some fields in which they could have an important application.
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Book chapters on the topic "Random vibrationsimulated input vibration"

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Preumont, André. "Input-Output Relationship for Physical Systems." In Random Vibration and Spectral Analysis. Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-017-2840-9_7.

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Singh, Aabhas, Matt Allen, and Washington J. DeLima. "Multi–input Multi–output Active Vibration Control for High Frequency Random Vibration." In Special Topics in Structural Dynamics, Volume 5. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-75390-4_3.

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Blecke, Jill, James Freymiller, and Michael Ross. "Off-Axis Input Characterization of Random Vibration Laboratory Data for Model Credibility." In Topics in Modal Analysis & Testing, Volume 9. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-74700-2_25.

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Zhu, Zenghui, and Qingqin Meng. "Analysis on Random Vibration and Impact Response of Vehicle-Borne Electronic Chassis." In Lecture Notes in Mechanical Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-1876-4_103.

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AbstractIn order to meet lightweight design requirement of vehicle-borne electronic chassis, vibration and impact response of chassis was analyzed based on the theory of random vibration and transient impact dynamics. Considering the influence of heat dissipation, corrosion resistance, material strength and economy of processing, weight reduction design was carried out according to vibration and impact response stress nephogram of chassis. The computation results show that the weight of chassis frame decreased by 16.4% and the first-order modal frequency of chassis decreased by 14.2% after wei
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Wang, Xu. "Correlation and Frequency Response Analyses of Input and Harvested Power Under White Noise, Finite Bandwidth Random and Harmonic Excitations." In Frequency Analysis of Vibration Energy Harvesting Systems. Elsevier, 2016. http://dx.doi.org/10.1016/b978-0-12-802321-1.00010-8.

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T, Yuvapriya, and Lakshmi P. "Active Suspension Control of Full Car Model Using Bat Optimized PID Controller." In Artificial Intelligence Applications in Battery Management Systems and Routing Problems in Electric Vehicles. IGI Global, 2023. http://dx.doi.org/10.4018/978-1-6684-6631-5.ch008.

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Long drives on bumpy roads and configuration issues like discomfort in seating arrangements have a harmful impact on the human body. The passengers experience severe health problems and stress-related issues. The full car model (FCM) with seven degrees of freedom (DOF) is considered for vibration control analysis. The aim of this work is to optimize the parameters of proportional integral and derivative (PID) controller by grey wolf optimization (GWO) and bat algorithm for betterment in the ride comfort of the passengers. A comparative analysis between the most commonly used PID controller and
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Camacho-Tauta J., Santos J.A., and Viana da Fonseca A. "Control, acquisition and analysis of resonant-column testing using an automated program." In Deformation Characteristics of Geomaterials. IOS Press, 2011. https://doi.org/10.3233/978-1-60750-822-9-250.

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A Resonant-Column apparatus was modified by replacing the internal generator by an arbitrary function generator. A PC oscilloscope was used to acquire both the input current in coils and the vibration response of the system. Software developed in LabVIEW® controls the equipment, acquires data and then processes the information, computing the shear modulus and damping ratio of soil. This calculation is performed utilizing a curve fitting method involving a complex-value function carried out by a Matlab® script included in the software. Four types of tests can be performed in the
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Conference papers on the topic "Random vibrationsimulated input vibration"

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Keshavarz, M. A., M. Bayani, and Sh Azadi. "Improving Vehicle Vibration Behavior via Structural Modification with Random Road Input." In SAE 2009 Noise and Vibration Conference and Exhibition. SAE International, 2009. http://dx.doi.org/10.4271/2009-01-2093.

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Yang, Wei, Panagiotis Alevras, and Shahrzad Towfighian. "Investigation of Vibration Energy Harvesting Using Two Cantilevers With Random Input." In ASME 2017 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/smasis2017-3860.

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There is a growing interest to convert ambient mechanical energy to electrical energy by vibration energy harvesters. Realistic vibrations are random and spread over a large frequency range. Most energy harvesters are linear with narrow frequency bandwidth and show low performance, which led to creation of nonlinear harvesters that have larger bandwidth. This article presents a simulation study of a nonlinear energy harvester that contains two cantilever beams coupled by magnetic force. One of the cantilever beam is covered partially by piezoelectric material, while the other beam is normal to
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de Morais Teixeira, Giovanni, Radwan Hazime, John Draper, and Dewi Jones. "Random Vibration Fatigue: Frequency Domain Critical Plane Approaches." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-62607.

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Frequency domain analysis offers a very efficient method for the fatigue durability assessment of structures subjected to vibration loading. It also allows engineers to gain valuable insight into system behavior and characteristics that are not easily recognized in the time domain. With some reasonable assumptions, most importantly linearity and steady state behavior, the response of a structure in many engineering applications can be simply evaluated through the “scaling” of the input signal by the Frequency Response Functions (FRFs). In cases where the input is random or stochastic in nature
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Yang, Wei, and Shahrzad Towfighian. "Performance of a Bi-Stable Resonator With Random Input Vibrations." In ASME 2016 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/detc2016-60324.

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By converting ambient mechanical energy to electricity, vibration energy harvesting, enable powering of low-power remote sensors. However, realistic ambient vibrations are random and spread over a wide frequency spectrum, which means linear resonators fail to perform effectively because of their narrow frequency bandwidth. Hence, there is a need for thorough investigation of performance of nonlinear resonators with Gaussian random vibration. This article presents a simulation study on the use of magnets to improve a nonlinear oscillator for energy harvesting from broadband low frequency random
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Aoki, Shigeru, Tadashi Nishimura, and Tetsumaro Hiroi. "Reduction of Residual Stress of Welded Joint Using Random Vibration." In ASME/JSME 2004 Pressure Vessels and Piping Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/pvp2004-2953.

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Welding is widely used for construction of many structures. It is well known that residual stress is generated near the bead because of locally given heat. Tensile residual stress on the surface degrades fatigue strength. Some reduction methods such as heat treatment and shot peening are practically used. Authors have proposed a new method for reduction of residual stress using vibrational load during welding. In this paper, random vibration is used as vaibrational load considering noise added to input signal. White noise is used as random vibration. Two thin plates are butt welded and residua
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Sovizi, Javad, Aliakbar Alamdari, Madusudanan Sathia Narayanan, and Venkat Krovi. "Random Matrix Based Input Shaping Control of Uncertain Parallel Manipulators." In ASME 2014 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/detc2014-34451.

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Input shaping control techniques have proven to be very effective in improving performance and lowering actuation requirements for Linear Time-Invariant (LTI) systems. However, deployments tend to be very sensitive to variation of the system natural frequencies and damping ratios. This limits the application of input shaping schemes in the nonlinear systems (e.g., robotic manipulators) or systems with uncertain parameters. The main focus of this paper is to address the parametric uncertainty in the system and the design of an input shaping control based upon the estimated parameters. The varia
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Papadimitriou, Dimitrios, Zissimos P. Mourelatos, and Zhen Hu. "Reliability Analysis and Random Vibration of Nonlinear Systems Using the Adjoint Method and Projected Differentiation." In ASME 2020 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/detc2020-22165.

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Abstract This paper proposes a new methodology for time-dependent reliability and random vibrations of nonlinear vibratory systems using a combination of a time-dependent adjoint variable (AV) method and a projected differentiation (PD) method. The proposed approach is called AV-PD. The vibratory system is excited by stationary Gaussian or non-Gaussian input random processes. A Karhunen-Loeve (KL) expansion expresses each input random process in terms of standard normal random variables. The nonlinear equations of motion (EOM) are linearized using a Taylor expansion using the first-order deriv
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Straznicky, Ivan. "Comparing Random Vibration Inputs: Power Spectral Density (PSD) Versus Root Mean-Square Acceleration (Grms)." In ASME 2003 International Electronic Packaging Technical Conference and Exhibition. ASMEDC, 2003. http://dx.doi.org/10.1115/ipack2003-35056.

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Many defense programs have vibration requirements for electronics which are often specified as random vibration input. Often, this input is based on measurements taken at the locations of interest for the spectrum of vehicle operating environments. The resulting specification is typically several power spectral density, or PSD, curves with associated durations. The root mean square acceleration, or Grms, can be readily calculated for each PSD curve. Grms values are sometimes used to compare different PSD curves for severity. However, this can be misleading. The impacts of two different random
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Ma, Kougen, Fujun Peng, Zhongquan Gu, and Xi Chen. "On Experiments of Adaptive Control for Structure Vibration." In ASME 1997 Design Engineering Technical Conferences. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/detc97/vib-3939.

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Abstract The paper summarized the experimental studies of adaptive structure vibration control in Nanjing University of Aeronautics and Astronautics (NUAA). Two kinds of experimental setups are constructed, i.e. an adaptive feedback control setup and an adaptive feedforward control setup. The former is used for free vibration control, and the control law is realized by the Intel 80X87 floating point processor. A Single Input and Single Output (SISO) control strategy is presented and extended to Multi-Input and Multi-Output (MIMO) systems. Its adaptabilities to the locations of sensors and actu
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Ohtake, Takafumi, Katsuaki Sunakoda, and Taichi Matsuoka. "Study on Vibration Control Device Using Power Generator." In ASME 2006 Pressure Vessels and Piping/ICPVT-11 Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/pvp2006-icpvt-11-93534.

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In this paper, the authors propose a vibration control device using power generator in order to develop a small damper which is suitable for structural vibration control in space. The vibration control device consists of a ball screw, piston, ball nut, gear, power generator, and rod ends. The linear motion of the piston is converted into a rotary motion by the ball screw, and then the electric power is generated as dissipation of energy. A very low sinusoidal input displacement is applied to the device, and the characteristics of the damping force are examined with open circuit and short circu
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Reports on the topic "Random vibrationsimulated input vibration"

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Curtis, Allen J., and Richard D. McKain. A Quantitative Method of Tailoring Input Spectra for Random Vibration Screens. Defense Technical Information Center, 1987. http://dx.doi.org/10.21236/ada182479.

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Kottke, Albert, Norman Abrahamson, David Boore, et al. Selection of Random Vibration Procedures for the NGA-East Project. Pacific Earthquake Engineering Research Center, University of California, Berkeley, CA, 2018. http://dx.doi.org/10.55461/ltmu9309.

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Pseudo-spectral acceleration (PSA) is the most commonly used intensity measure in earthquake engineering as it serves as a simple approximate predictor of structural response for many types of systems. Therefore, most ground-motion models (GMMs, aka GMPEs) provide median and standard deviation PSA using a suite of input parameters characterizing the source, path, and site effects. Unfortunately, PSA is a complex metric: the PSA for a single oscillator frequency depends on the Fourier amplitudes across a range of frequencies. The Fourier amplitude spectrum (FAS) is an appealing alternative beca
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