Low-Frequency Vibration Testing of Huge Bucket Wheel Excavator Based on Step-Decay Signals

Figure 5

Comparison of results: (a) mode no. 1—overall y-direction swing; (b) mode no. 2—overall z-direction swing; (c) mode no. 4—x-axis torsion; (d) mode no. 5—overall y-axis rotation; (e) mode no. 6—overall z-axis rotation.

(a)

(b)

(c)

(d)

(e)