Gears are an important component of industrial machinery and a breakdown of machinery
on account of the failure of gears could result in immense production loss. Timely monitoring …

The decomposition number K and penalty factor α in the variational mode decomposition
(VMD) algorithm have a great influence on the decomposition effect and the accuracy of …

The planetary gear transmission system is characterized by a complex structure and is often
exposed to harsh working conditions, resulting in high failure damage rate. The self …

Encoder signal as the built-in information is always used for the speed and motion control.
Meanwhile, it has remarkable superiority in the fault diagnosis of gearbox compared with the …

Condition monitoring of machine is recognized as effective strategy for undertaking the
maintenance in wide variety of industries. Planetary gearbox is a critical component in …

Demodulation analysis is a widely used approach for fault diagnostics of planetary
gearboxes by identifying the fault-induced modulation effect buried in noise with …

A transfer path analysis method based on the in-situ measurement is proposed for the fault
tracing of parallel axis gear systems. A virtual decoupling technique is used to achieve the in …

Employed extensively in industry, planetary gears offer a high power density and high
efficiency. However, their operation in frequently dynamic conditions does accelerate the …

Recurrence-plot (RP) analysis is a graphical tool to visualize and analyze the recurrence of
nonlinear dynamic systems. By combining the advantages of the RP and a convolutional …

Multiple vibration signal models for planetary gearboxes have been built, but details in the
signals are often ignored when verifying their correctness. The main reason is that the …