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Detecting Fatigue Cracks in Gears by Amplitude and Phase Demodulation of the Meshing Vibration
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A digital signal processing technique is proposed for calculating the amplitude and phase modulation of the tooth meshing vibration of a gear from the signal average of the vibration with ...
Window Functions for the Calculation of the Time Domain Averages of the Vibration of the Individual Planet Gears and Sun Gear in an Epicyclic Gearbox
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An existing technique which enables the estimation of the time domain averages of the tooth meshing vibration of the individual planet and sun gears in an epicyclic gearbox from measured ...
Effect of Transmission Path on Measured Gear Vibration
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The transmission of gear tooth meshing vibration from the tooth contact region to the shaft, through rolling element bearings and then through the gearbox casing can have an important influence ...
Decomposition of Gear Motion Signals and Its Application to Gearbox Diagnostics
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The decomposition of gear motion and the related dynamic measurements for the condition monitoring and fault diagnosis of gearboxes are described. The motion error signal is separated according ...
A Time-Frequency Distribution for Analysis of Signals with Transient Components and Its Application to Vibration Analysis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Bilinear time-frequency distributions, which provide simultaneous high resolution in both time and frequency domains, offer advantages for the analysis of vibration signals where the harmonic ...
Nonlinear Vibration Characteristics of Damaged Concrete Beams
Publisher: American Society of Civil Engineers
Abstract: The work presented here investigates the possibility of using changes in the nonlinear vibration characteristics to detect damage in reinforced concrete elements. The nonlinear vibration characteristics were studied by ...