Research Article

Ball Screw Fault Detection and Location Based on Outlier and Instantaneous Rotational Frequency Estimation

Figure 5

The designed experiment platform. 1: motor; 2: couple; 3: support bearing; 4: support bearing; 5: motion platform; 6: guide rail; 7: screw; 8: ball nut; 9: guide rail; 10: accelerometer; 11: accelerometer; 12: accelerometer.