Gearbox plays a vital role in a wide range of mechanical power transmission systems in
many industrial applications, including wind turbines, vehicles, mining and material handling …

Rotating machinery faults can induce characteristic modulation effects in a vibration signal,
and their diagnosis can thus be conducted by extracting fault-induced modulation features …

As key rotational components of wind turbines, planetary gearboxes, and bearings need
special health monitoring and fault diagnosis for reducing downtime and maintenance costs …

Rotating machinery often works under time-varying speeds, and nonstationary conditions
and harsh environments make its key parts, such as rolling bearings and gears, prone to …

Monitoring vibrations in rotating machinery allows effective diagnostics, as abnormal
functioning states are related to specific patterns that can be extracted from vibration signals …

Friction is a phenomenon that exists extensively in nature and industry; it has proven
necessary in daily life and beneficial in energy scavenging but is also alleged to be the main …

Fault diagnosis is of significance for ensuring the safe and reliable operation of machinery
equipment. Due to the heavy noise and interference, it is difficult to detect the fault directly …

As one of the most immensely growing renewable energies, the wind power industry also
experiences a high failure rate and operation & maintenance cost. Therefore, the condition …

Nonstationary fault signals collected from wind turbine planetary gearboxes and bearings
often exhibit close-spaced instantaneous frequencies (IFs), or even crossed IFs, bringing …

Gear transmissions are an integral part of most rotation machinery. Their abnormalities can
affect the reliable operation of the equipment. Most sensors that monitor gear transmissions …