Stepwise Diagnosis for Rotating Machinery Using Force Identification Approach

Table 3

The severity of unbalance (Disk 2).

		Exact value	Identified value	Error
Case  1	unbalance [g·mm]	12.0	13.1	1.1
	angle [deg.]	0	−2.1	−2.1
Case  2	unbalance [g·mm]	12.0	12.9	0.9
	angle [deg.]	45	46.2	1.2
Case  3	unbalance [g·mm]	12.0	13.8	1.8
	angle [deg.]	90	77.0	−13.0
Case  4	unbalance [g·mm]	12.0	12.8	0.8
	angle [deg.]	135	116.5	−18.5
Case  5	unbalance [g·mm]	12.0	11.2	−0.8
	angle [deg.]	180	156.1	−23.9
Case  6	unbalance [g·mm]	12.0	11.1	−0.9
	angle [deg.]	225	200.0	−25.0
Case  7	unbalance [g·mm]	12.0	11.4	−0.6
	angle [deg.]	270	252.8	−17.2
Case  8	unbalance [g·mm]	12.0	11.8	−0.2
	angle [deg.]	315	300.8	−14.2