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Fault_diagnosis_ballbearing_wavelet

Bearing fault diagnosis is important in condition monitoring of any rotating machine. Early fault detection in machinery can save millions of dollars in emergency maintenance cost. Different techniques are used for fault analysis such as short time Fourier transforms (STFT), Wavelet analysis (WA), cepstrum analysis, Model based analysis, etc. we have doing detecting bearing faults using FFT and by using Wavelet analysis more specifically wavelet Analysis up to two levels of approximations and detail components. The analysis is carried out offline in MATLAB. Diagnosing the faults before in hand can save the millions of dollars of industry and can save the time as well. It has been found that Condition monitoring of rolling element bearings has enabled cost saving of over 50% as compared with the old traditional methods. The most common method of monitoring the condition of rolling element bearing is by using vibration signal analysis. Measure the vibrations of machine recorded by velocity

The dataset files are essential for the project

the Test Readings Files nomenclature

TB = Test Bearing

IRF = Inner Race Fault

BF = Ball Fault

NL = No Load

HL = Half Load

FL = Full Load

File_name Fault_type Loading_condition RPM

TB NL 940 Healthy Bearing NO LOAD == 0kg 1940 RPM

TB HL 877 Healthy Bearing HALF LOAD == 1.5kg 1877 RPM

TB FL 731 Healthy Bearing FULL LOAD == 3kg 1731 RPM

IRF NL 955 Inner Race Fault NO LOAD == 0kg 1955 RPM

IRF HL 877 Inner Race Fault HALF LOAD == 1.5kg 1877 RPM

IRF FL 744 Inner Race Fault FULL LOAD == 3kg 1744 RPM

BF NL 945 Ball Fault NO LOAD == 0kg 1945 RPM

BF HL 830 Ball Fault HALF LOAD == 1.5 kg 1730 RPM

BF FL 735 Ball Fault FULL LOAD == 3kg 1735 RPM

The RPM Varies from the Theortical values to the Experiemental values

Components Used and Requirements==================== Windows PC MATLAB 2017 with signal processing toolkit installed LabView 2014 0.5 HP Motor %U can use whatever the power you want Fault Bearnigs Belt Drives and pulley and shaft National Instruments Data Aquestion DAQ CARD and system Single Direction Aceelerometer