We use cookies to provide you with a better experience. By continuing to browse the site you are agreeing to our use of cookies in accordance with our Privacy Policy.
This paper presents a method for the acoustic analysis of electric motors in noisy industrial environments. Acoustic
signals were measured via acoustic camera 48-microphone array, which has the capability to localize a sound
(or sounds) source and, in turn, separate those sounds from intrusive background noise. These acoustic analysis results are then compared with vibration measurements; vibration monitoring is a well-known and established technique used in condition monitoring, and in this work vibration measurements were used as a reference signal for assessment of the value of the acoustic measurements. Vibration signals were measured by piezoelectric accelerometers. Two induction motor cases were examined — a healthy motor case, and a combination of static eccentricity with soft foot case. As shown, acoustic analysis appears to be a valuable technique for condition
monitoring of electric motors — particularly in noisy industrial environments.
The following news items offer the latest on lubrication and seal technology in the power transmission market. From bearing greases to high-performance seals, these products will help extend the service life and manufacturing capabilities for a wide range of industrial sectors.
A core part of what we do here is making sure that our readers – the people who design, buy and use mechanical power transmission products – know where to find the suppliers of technology they need.