Browse Publications Technical Papers 2000-01-2633
2000-09-11

Electrohydraulic Systems Simulations Containing Electromagnetic Finite Element Models of Magnetic Actuators 2000-01-2633

An accurate nonlinear model of a typical magnetic actuator is included in a new SPICE simulation of an electrohydraulic system. The actuator model is obtained by electromagnetic finite element analysis. The resulting nonlinear magnetic flux linkages and forces as functions of airgaps and currents are included in the SPICE model. The SPICE model is able to include electronic driver circuits and models of the hydraulic circuits, which are shown to interact to determine the closing time of electrohydraulic valves.

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