Vibration Signal
Review of Vibration Signal Processing Techniques Towards Gear Pairs Damage Identification
... of vibration signals acquired from the gearbox ...gear vibration spectra are the tooth-meshing frequency and their harmonics, along with the modulation ...modulating signal is very useful to detect ...
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A Fault Diagnosis Scheme of Gear Vibration Signal Based on Variational Mode Decomposition and Detrended Fluctuation Analysis
... of vibration acceleration signal (Figure 3(b)) for a gear scratched pattern is decomposed into three components by VMD, and is shown in Figure ...in vibration signal for gear is concentrated ...
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Variational mode decomposition denoising combined with the Euclidean distance for diesel engine vibration signal
... for vibration signal of diesel ...simulation signal is established, and the Gauss white noise is ...simulation signal is decomposed by VMD to obtain the band limited intrinsic mode functions ...
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Fault Detection Method on a Compressor Rotor Using the Phase Variation of the Vibration Signal
... the vibration signal is applied to a centrifugal compressor rotor (7457 kW, 6500 ...a vibration instability when passing through a certain speed (near 68Hz) when engaged alone (case ...This ...
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Misfire Detection in an IC Engine Using Vibration Signal and Bagging Classifier
... Misfiring is a popular fault with many adverse effects. It is caused in a cylinder of an IC engine due to faulty spark plug, cracked distributor cap, engine pinging due to very high temperature, improper air-fuel mixture ...
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A Vibration Signal Processing of Large-scale Structural Systems Based on Wireless Sensor
... acceleration signal is easily gathered in the condition of high frequency ...acceleration signal to obtain the velocity displacement signal is still an important part in vibration ...
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Vibration Signal Based Multi-fault Diagnosis of Gears using Roughset Integrated PCA and Neural Networks
... the vibration signal from the ...the vibration signal data sets are stored and ...The vibration data val- ues for different condition of gear condition is acquired and stored for the ...
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A novel implementation of vibration signal decomposition for estimation of degradation in rotating plant
... Traditional signal processing techniques, including time-domain and frequency-domain analysis, are based on the assumption that the process generating the signals are stationary ...the vibration ...
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Feature Enhancement Method for Drilling Vibration Signal by Using Wavelet Packet Multi-band Spectral Subtraction
... drilling vibration signal with large bandwidth, first, it is proposed that the monitoring and noise signals are decomposed into multi-layers via WPD to attain the corresponding frequency band ...noise ...
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Signal Model-Based Fault Detection and Diagnosis for Induction Motors Using Features of Vibration Signal in Two- Dimension Domain
... for vibration signal-based fault detection and diagnosis system applying for induction ...from vibration signals are extracted through the scale invariant feature transform (SIFT) algorithm to ...
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Analysis of flank and root crack in the spur gear using vibration signal technique for single stage gear box
... a vibration signal, this vibration signal contain amplitude and phase modulation that are periodic form ...The vibration analysis has become highly important in fault gearing in gearing ...
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Material Mechanical Property Correlation Study Using Vibration Signal Analysis
... the vibration responses generated during the impact ...Multilevel signal analysis to determine value of 7 Z ∞ coefficients for each impact test for the four ...for vibration signal ...
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A Wavelet Decomposition Analysis of Vibration Signal for Bearing Fault Detection
... From the experiment, the time series acceleration data at different bearing condition were acquired. Figure 3 shows the time domain acceleration data which recorded at the speed of 1466 rpm, and 2664 rpm. Analysis for ...
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MONITORING AND ANALYSIS OF VIBRATION SIGNAL IN MACHINE TOOL STRUCTURES
... Abstract— Vibration monitoring is becoming an established technique for managing the maintenance of ...failure. Vibration, noise, and temperature measurements are often used as key indicators of the state ...
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Multi stages helical gearbox fault detection using vibration signal and Morlet wavelet transform adapted by information entropy difference
... the vibration signal based gearbox fault diagnosis, there are some limitations that undermine its ...the vibration signals to detect and diagnose the faults of a helical ...
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Evaluation of tool wear and machining performance by analyzing vibration signal in friction drilling
... 2012). Vibration monitoring and analysis are conducted as the primary diagnostic method for most mechanical systems that are used to manufacture ...the vibration signal arising from the machining ...
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Frequency Demodulation Analysis of Mine Reducer Vibration Signal
... The Frequency Demodulation Analysis is done by Selecting the Essential Mode Functions which are first decomposed and the instantaneous frequency fluctuates around the meshing frequency and the multiplier of meshing ...
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Wavelet based Vibration Signal Analysis of Rotary Machines in a Foundry
... [2]. Vibration analysis involves vibration measurement and its ...interpretation. Vibration signals are collected first by vibration analyser (VIBSCANNER) in time domain and frequency domain ...
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Vibration Signal Analysis for Detecting Early Stage Lumbar Spondylolysis Using Synthetic Bone
... analyzing vibration signals following bone ...whether vibration signal analysis can be used to detect lumbar spondylolysis in synthetic ...and vibration signals were measured using an ...
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A New Deep Learning Model for Fault Diagnosis with Good Anti-Noise and Domain Adaptation Ability on Raw Vibration Signal
... raw vibration signal is first averaged using a 2-D averaging filter and then converted to binary image with appropriate threshold selection ...time-series signal or spectral ...1D vibration ...
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