mechine condition monitoring

When running a machine, there are usually three maintenace strategies:

1) Run to break;

2) Preventive Maitenace;

3) Condition based maintenance.

The former two method could be costly, Condition based maintenance could save the cost of emergency and safety problems and the large usage of spare part in preventive maintenance.

Condition based monitoring asks to acquire internal information of the

#Vibration Signals

##Signal classification