Theoretical and Experimental Analysis of the Hydraulic Actuator Used in the Active Reflector System

Figure 3

Hydraulic actuator structure. 1: hydraulic differential cylinder; 2: displacement sensor; 3: oil tank; 4: air float; 5: gear pump; 6: integrated valve block; 7: power interface; 8: wave filter; 9: temperature and pressure sensor; 10: two-phase hybrid stepping motor; 11: controller; 12: electric protective cover; 13: switching power supply; 14: motor driver; 15: solenoid valve.