Bearing condition monitoring using vibration measurements and a new signal enhancement technique

• Autorzy: Klamecki, B. E.
• Konferencja: Problems of Non-Conventional Bearing Systems, NCBS '99
• Języki publikacji: EN

Abstrakty

EN

This paper describes work aimed at assessing main journal bearing wear in a spark ignition engine using vibration measurements. A large number of tests were run with varying sensor location, engine speed, oil viscosity and bearing wear simulated by machining away material from bearing surfaces. Results show that signal magnitude can be used to characterize bearing operation and wear. Engine speed and oil grade have effects on the signals obtained. In addition it is shown that weak parts of signals can be enhanced with the addition of noise of appropriate level. Random noise was added to vibration signals and noise of an appropriate level enhanced weak parts of accelerometer signals.

Słowa kluczowe

PL

łożyska

EN

journal bearing; condition monitoring; signal enhancement

• Czasopismo: Applied Mechanics and Engineering
• Rocznik: 1999
• Tom: Vol. 4, no spec.
• Strony: 51-56
• Opis fizyczny: Bibliogr. 8 poz., wykr.

Twórcy

autor

Klamecki, B. E.

• DEPARTMENT OF MECHANICAL ENGINEERING University of Minnesota Minneapolis, MN 55455-0111, USA