Robust Estimation of the Unbalance of Rotor Systems Based on Sparsity Control of the Residual Model

Table 1

The results of estimated unbalance mass.

	Mass (g)	Phase (°)	Relative error (%)
Actual	0.4	0
LS	0.42	33.53	59.57
M-Huber	0.39	28.0	48.18
GM	0.39	334.8	43.44
The proposed method	0.38	5.98	11.6