It is important for determining the relative winding axis position between dual stators during designing and installing a dual-stator permanent magnet electrical machine(DSPMEM).

Seismic event detection based on wavelet analysis and CB shaping filtering;

Automatic seismic event pickup using artificial nerve network;

Many partial coherent events are used to sparsely represent the seismic traces and improve imaging efficiency.

The paper analyzes the reason which causes the steam turbine generator shaft relative vibration fluctuation and provides the trouble shooting measurement for this corresponding problem.

The construction and the operating principle of the axial split phase hybrid type permanent magnet stepper motor are analyzed.