1. Normally machines such as motor, ball bearing etc systems vibrate depending upon the speed of their movements.
2. In order to detect fault in the system spectrum analysis can be performed. It shows fixed frequency pattern depending upon the vibrations. If there is fault in the machine, the predetermined spectrum is changes. There are new frequencies introduced in the spectrum representing fault.
3. This spectrum analysis can be performed by DSP system. The DSP system can also be used to monitor other parameters of the machine simultaneously.