New Machinery Health Diagnostic Techniques Using High-Frequency Vibration

A technique is discussed for generating diagnostic information from the vibration signature of machinery in the high-frequency range (up to 100 kHz). The signal generation mechanism is discussed, as well as the diagnostically significant characteristics of the data and a method of extracting this information. Two specific cases are presented utilizing the techniques to illustrate its suitability for many of the common problems encountered in machinery.