Unbalance Identification of Speed-Variant Rotary Machinery without Phase Angle Measurement

Figure 4

Lateral displacement responses versus speed of rotation with balancing (—) and without balancing (⋯). First three-order (a) disk 1, (b) disk 2, and (c) disk 3; first two-order (d) disk 1, (e) disk 2, and (f) disk 3.

(a)

(b)

(c)

(d)

(e)

(f)