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Rotating Magnetic Field Based Measurement of Large Machine Vibrations

International Conference on Electronics, Information and Communication Engineering
© 2011 by IJCA Journal
ICEICE - Number 6
Year of Publication: 2011
Syed Javed Arif
Mohammad Syed Jamil Asghar

Syed Javed Arif, Mohammad Syed Jamil Asghar and Imdadullah. Article: Rotating Magnetic Field based Measurement of Large Machine Vibrations. IJCA Special Issue on Electronics, Information and Communication Engineering ICEICE(6):12-16, December 2011. Full text available. BibTeX

	author = {Syed Javed Arif and Mohammad Syed Jamil Asghar and Imdadullah},
	title = {Article: Rotating Magnetic Field based Measurement of Large Machine Vibrations},
	journal = {IJCA Special Issue on Electronics, Information and Communication Engineering},
	year = {2011},
	volume = {ICEICE},
	number = {6},
	pages = {12-16},
	month = {December},
	note = {Full text available}


In large machines, vibration is one of the important parameters used for fault diagnosis as well as for monitoring the overall conditions of the machines. The conventional methods give a poor resolution of the measurement, missing the peak values of the vibrations, which is an important consideration for reliable operation of the machines. In the proposed work, a synchro and a fast rotating magnetic field (RMF) is used to measure the velocity of machine vibrations with high resolution in the millisecond range. Thus it easily records the peaks of vibration and even duration of the peak is also established. The broad spectrum of pulses within one second range, gives a pattern of variation including all possible values of instantaneous velocity of the machine vibrations. The measurement scheme is successfully tested with a microprocessor based rocking vibration arrangement and the overall performance is recorded at dynamic conditions.


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