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Natural Frequencies and Global Mode Functions for Flexible Jointed-Panel Structures
Publisher: ASCE
Abstract: Deployable solar arrays play an important role in the realization of various spacecraft missions. Taking the flexible spacecraft as an application background, the natural characteristics of a jointed-panel structure is ...
Identifying Coulomb and Viscous Friction in Forced Dual-Damped Oscillators
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a method for estimating Coulomb and viscous friction coefficients from responses of a harmonically excited dual-damped oscillator with linear stiffness. The identification method ...
Wavelet Analysis of Stick-Slip Signals in Oscillators With Dry-Friction Contact
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Wavelet transforms were compared between various simulated friction models and real stick-slip data. While simulations of several models produced stick-slip transition oscillations seen in the real ...
Data Fusion Approach for Evaluating Route Choice Models in Large-Scale Complex Urban Rail Transit Networks
Publisher: ASCE
Abstract: With the increases in both the urban rail transit (URT) network scale and complexity, a route choice model that was previously developed may not function properly anymore and therefore must be constantly evaluated if ...
Parametric Identification of Nonlinear Systems by Haar Wavelets: Theory and Experimental Validation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study addresses the identification of nonlinear systems. It is assumed that the function form in the nonlinear system is known, leaving some unknown parameters to be estimated. Since Haar ...
Theoretical and Experimental Identification of Cantilever Beam With Clearances Using Statistical and Subspace Based Methods
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Clearance turns up in a large number of engineering structures because of the errors during assembling, manufacturing, and wearing. The presence of clearance in engineering structures changes the normal dynamic response ...
Complete Estimation Approach for Characterizing Passenger Travel Time Distributions at Rail Transit Stations
Publisher: ASCE
Abstract: Route choice behavior of a rail transit passenger is not directly observable and it may be affected by the route travel time to a large extent. Compared to the on-train time, travel times at stations, including walking ...