Proportional Hydraulic Trainer

Code: CIVIL-HTK-83-0003

Proportional Hydraulic Trainer.
Basic Hydraulic Transmission Circuit Experiments (more than 30 kinds of circuits)
1. Directional control loop
2. Commutation circuit of manual reversing valve
3. Commutation circuit of solenoid directional valve
4. Pressure control loop
5. Single-stage pressure regulator circuit
6. Secondary pressure regulation
7. Single-stage pressure reducing circuit
8. Secondary pressure reducing circuit
9. Unloading circuit adopting "M"-type reversing valve
10. Unloading circuit adopting reversing valve
11. Unloading circuit adopting overflow valve
12. Pressure holding of the hydraulically controlled check valve
13. Speed control loop
14. Throttling and speed regulation of oil incoming passage
15. Throttling and speed regulation of oil outgoing passage
16. Throttling and speed regulation of by-pass oil passage
17. Speed synchronization circuit of speed control valve
18. Parallel circuit of control valve
19. Series circuit of control valve
20. Balance circuit adopting sequence valve
21. Sequential action circuit controlled by travel switch
22. One-way blocking circuit adopting pilot operated check valves
23. Two-way blocking circuit adopting pilot operated check valves
24. Locking loop adopting O-type reversing valve
25. Differential control circuit
26. Throttling speed control circuit adopting throttle
27. Constant pressure throttling speed control circuit adopting speed - regulating valve
28. Commutation circuit adopting solenoid valve
29. Locking loop adopting pilot operated check valve
30. Secondary pressure loop
31. Pressure holding circuit
32. Oil addition circuit
33. Servo valve commutation control
34. PID control and state control
35. Linear voltage divider control
36. Control system with load
37. Control loop optimization

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