Machinery fault diagnosis by wavelet analysis

• Main Author: Liu, Bao.
• Other Authors: Ling, Shih Fu
• Format: Theses and Dissertations
• Published: 2008
• Subjects: DRNTU::Engineering::Mechanical engineering::Machine design and construction
• Online Access: http://hdl.handle.net/10356/6049
• Institution: Nanyang Technological University

Many machines generate nonstationary dynamic signals. The featured components of such signals, such as spikes and transients, are usually localized both in time and in frequency. Since these features often carry rich information about the condition of the machines, enhancing and extracting them are...