Development of Fast Measurement System of Neutron Emission Profile Using a Digital Signal Processing Technique in JT-60U

2008 ◽  
Author(s):  
M. Ishikawa ◽  
T. Itoga ◽  
T. Okuji ◽  
M. Nakhostin ◽  
K. Shinohara ◽  
...  
Keyword(s):  
Signal Processing ◽  
Digital Signal Processing ◽  
Measurement System ◽  
Neutron Emission ◽  
Digital Signal ◽  
Processing Technique ◽  
Signal Processing Technique ◽  
Fast Measurement ◽  
Emission Profile

Detecting Fatigue Cracks in Gears by Amplitude and Phase Demodulation of the Meshing Vibration

1986 ◽  
Vol 108 (2) ◽  
pp. 165-170 ◽  
Author(s):  
P. D. McFadden
Keyword(s):  
Signal Processing ◽  
Early Detection ◽  
Digital Signal Processing ◽  
Phase Modulation ◽  
Fatigue Cracks ◽  
Digital Signal ◽  
Processing Technique ◽  
Signal Processing Technique ◽  
Signal Average ◽  
Local Defects

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 application to the early detection of local defects such as fatigue cracks. The importance of phase modulation in the detection of defects is confirmed.

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