Resonance Analysis of High-Frequency Electrohydraulic Exciter Controlled by 2D Valve

Figure 8

Photo of experimental system (a) and schematic diagram of experimental system of high-frequency electrohydraulic exciter (b). 1: force cell, 2: cylinder, 3: displacement transducer, 4: pressure sensor for the left chamber, 5: pressure sensor for the right chamber, 6: servo valve, and 7: 2D valve.

(a)

(b)