Research on bogie stiffness test control strategy for six-dof hydraulic servo loading plate

In order to improve test equipment of domestic high-speed train bogie, a fuzzy five states control strategy base on phase plane is presented aiming at the tracking control problem of electro-hydraulic servo position control system with uncertainties and nonlinearities. The results of simulation show that the control approach can overcome the nonlinear problem of the hydraulic system, has nice robustness, and improve tracking accuracy considerably.