Title :
Time-frequency vibration representation for steel mill condition monitoring
Author :
Hu, Fei ; He, Qingbo ; Kong, Fanrang
Author_Institution :
Dept. of Precision Machinery & Precision Instrum., Univ. of Sci. & Technol. of China, Hefei, China
Abstract :
A conditioning monitoring and diagnostic system has been developed for a continuous steel mill production line. The capability of the system is enhanced by introducing the time-frequency sea maps of vibration signals based on the windowed Fourier transform in which matching windows, such as free oscillation functions, are selected for higher resolutions and a compression scheme in time and frequency domains is introduced to adapt different needs in time scales for representing and recording the large quantity of monitoring data.
Keywords :
Fourier transforms; condition monitoring; steel manufacture; time-frequency analysis; vibrations; Fourier transform; condition monitoring; continuous steel mill production line; diagnostic system; free oscillation function; time-frequency vibration representation; vibration signal; Fourier transforms; Monitoring; Oscillators; Signal resolution; Time frequency analysis; Vibrations; condition monitoring; free oscillation window; sea map; vibration;
Conference_Titel :
Instrumentation and Measurement Technology Conference (I2MTC), 2011 IEEE
Conference_Location :
Binjiang
Print_ISBN :
978-1-4244-7933-7
DOI :
10.1109/IMTC.2011.5944212
