Mathematical Problems in Engineering / 2014 / Article / Tab 3

Research Article

Study on the Method for Collecting Vibration Signals from Mill Shell Based on Measuring the Fill Level of Ball Mill

Table 3

The sensitivity index of reflecting the fill level change for different sensors.

Adjacent conditionsForward bearing (sensor 5)Back bearing (sensor 6)Sensor 1Sensor 2Sensor 3Sensor 4

0 t/h, 20 t/h0.175350.385830.172770.0758010.069550.034087
20 t/h, 30 t/h0.547670.109140.170.20190.180710.15551
30 t/h, 35 t/h 0.0820840.127820.100830.124980.124620.12549
35 t/h, 40 t/h 0.526850.093170.113140.111060.173160.18405
40 t/h, 45 t/h 0.137520.0613310.308970.324670.253550.28187
45 t/h, 50 t/h 0.11940.674770.37740.43820.403630.43218
50 t/h, 55 t/h0.0969710.158950.528320.489560.547630.53186

Average0.240840.230140.253060.252310.250410.24929