Modeling and simulation for application of electromagnetic linear actuator direct drive electro-hydraulic servo system

For the direct drive electro-hydraulic servo system is difficult to build an accurate model, the modeling method based on the Simscape under Matlab/Simulink multi domain integrated modeling was proposed, studied application of electromagnetic linear actuator (ELA) direct drive electro-hydraulic servo system, the mathematical model and simulation analyze and the physical model are built up under Simscape, The results show that the physical modeling in use of multi field is closer to real system, verify the feasibility of the electromagnetic linear actuator used in direct drive electro-hydraulic servo valve at the same time. The system is stable and reliable, has good dynamic response and the displacement signal tracking ability.