Journal of Vibration and Acoustics: Recent submissions
Now showing items 1841-1860 of 3913
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Active Resonators for Noise Absorption
(The American Society of Mechanical Engineers (ASME), 2006)Active control is applicable to resonators to improve noise control performance. Many active resonators depend on transfer functions from secondary sources to sensors to generate destructive ... -
Design of Vibration Absorbers for Structures Subject to Multiple-Tonal Excitations
(The American Society of Mechanical Engineers (ASME), 2006)The purpose of this paper is to introduce a systematic method of designing a vibration absorber that affects vibration attenuation at multiple frequencies. This vibration absorber is a nonprismatic ... -
Steady-State Dynamic Response of Preisach Hysteretic Systems
(The American Society of Mechanical Engineers (ASME), 2006)The goal of this paper is to study the steady-state dynamic response of an oscillator involving a hysteretic component and exposed to harmonic excitation. This is accomplished by using the ... -
Experimental Robustness Analysis of Magneto-Rheological Tuned Vibration Absorbers Subject to Mass Off-Tuning
(The American Society of Mechanical Engineers (ASME), 2006)This paper offers an experimental robustness analysis of a semi-active tuned vibration absorber (TVA) subject to structural mass off-tuning, which occurs frequently in practical applications of ... -
Rotor Vibration Measurements Using Laser Doppler Vibrometry: Essential Post-Processing for Resolution of Radial and Pitch/Yaw Vibrations
(The American Society of Mechanical Engineers (ASME), 2006)Laser Doppler vibrometry is now a well established technique enabling noncontact vibration measurements in the most challenging of environments. Rotor vibration measurements are often highlighted ... -
Parametric Instability of a Rotating Circular Ring With Moving, Time-Varying Springs
(The American Society of Mechanical Engineers (ASME), 2006)Parametric instabilities of in-plane bending vibrations of a rotating ring coupled to multiple, discrete, rotating, time-varying stiffness spring-sets of general geometric description are investigated ... -
Chaos Control of Uncertain Chaotic Systems via Backstepping Approach
(The American Society of Mechanical Engineers (ASME), 2006)This paper presents a robust control scheme for a class of uncertain chaotic systems. The proposed feedback controller is composed by an uncertainty estimator and a backstepping feedback, so ... -
Spacecraft Vibration Suppression Using Variable Structure Output Feedback Control and Smart Materials
(The American Society of Mechanical Engineers (ASME), 2006)A hybrid control scheme for vibration reduction of flexible spacecraft during rotational maneuvers is investigated by using variable structure output feedback control (VSOFC) for attitude control ... -
Stability Analysis of a Single-Ball Automatic Balancer
(The American Society of Mechanical Engineers (ASME), 2006)Under proper working conditions, a ball-type automatic balancer can effectively reduce the imbalance vibrations of an optical disk drive. The proper working conditions can be determined by a ... -
Auxiliary Bearing Life Prediction Using Hertzian Contact Bearing Model
(The American Society of Mechanical Engineers (ASME), 2006)A rotating machine with active magnetic bearings (AMBs) requires conventional bearings as a backup support system in the case of AMB failure. This paper presents an estimated auxiliary/catcher ... -
Damage Identification Using Sensitivity-Enhancing Control and Identified Models
(The American Society of Mechanical Engineers (ASME), 2006)This paper investigates a coherence approach for locating structural damage using modal frequencies and transfer function parameters identified from input-output data using Observer/Kalman filter ... -
Nonlinear Behavior Analysis of a Rotor Supported on Fluid-Film Bearings
(The American Society of Mechanical Engineers (ASME), 2006)A fast and accurate model to calculate the fluid-film forces of a fluid-film bearing with the Reynolds boundary condition is presented in the paper by using the free boundary theory and the ... -
Grazing and Chaos in a Periodically Forced, Piecewise Linear System
(The American Society of Mechanical Engineers (ASME), 2006)The criteria for the grazing bifurcation of a periodically forced, piecewise linear system are developed and the initial grazing manifolds are obtained. The initial grazing manifold is invariant. ... -
Free Vibration of Thermally Buckled Composite Sandwich Plates
(The American Society of Mechanical Engineers (ASME), 2006)A high precision triangular plate element is developed for the free vibration analysis of thermally buckled composite sandwich plates. Due to an uneven thermal expansion in the two principal ... -
A Transfer-Matrix-Perturbation Approach to the Dynamics of Chains of Nonlinear Sliding Beams
(The American Society of Mechanical Engineers (ASME), 2006)Chains of nonlinear shear indeformable beams with distributed mass, resting on movable supports, are considered. To determine the dynamic response of the system, the transfer-matrix approach is ... -
Suppression of Planet Mode Response in Planetary Gear Dynamics Through Mesh Phasing
(The American Society of Mechanical Engineers (ASME), 2006)This work analytically derives design rules to suppress certain harmonics of planet mode response in planetary gear dynamics through mesh phasing. Planet modes are one of three categories of ... -
Optimal Placement of Piezoelectric Sensors and Actuators for Controlled Flexible Linkage Mechanisms
(The American Society of Mechanical Engineers (ASME), 2006)The optimal placement of sensors and actuators in active vibration control of flexible linkage mechanisms is studied. First, the vibration control model of the flexible mechanism is introduced. ... -
Differential Transformation Approach for Free Vibration Analysis of a Centrifugally Stiffened Timoshenko Beam
(The American Society of Mechanical Engineers (ASME), 2006)In this paper, the differential transformation approach is applied to analyze the free vibration of centrifugally stiffened Timoshenko beam structures. Such structures involve variable coefficients ... -
Concept of Coupled Displacement Field for Large Amplitude Free Vibrations of Shear Flexible Beams
(The American Society of Mechanical Engineers (ASME), 2006)Continuum solutions for solving the large amplitude free vibration problem of shear flexible beams using the energy method involves assuming suitable admissible functions for the lateral displacement ... -
A Global Control Strategy for Efficient Control of a Braille Impact Hammer
(The American Society of Mechanical Engineers (ASME), 2006)A combined control scheme relying on feedback-based local control in the vicinity of periodic system responses and global control based on a coarse-grained approximation to the nonlinear dynamics ...