Theoretical and Experimental Study on the Transient Time-Frequency Characteristics of the Bending-Torsional Coupling Motions of a Rub-Impact Dual-Rotor System

Figure 18

Schematic diagram of the experimental device. 1, rotary encoder, 2, displacement sensors, 3, rub-impact device, 4, rotor system, 5, rotary encoder, 6, motor, 7, rotor control system, 8, data acquisition system, 9, slip ring, 10, base motion platform, 11, base motion platform control system, 12, rolling shaft.