Browse Publications Technical Papers 2002-01-1346

Modeling an Electronically-Controlled Magnetic Actuator Operating a Hydraulic Valve and Cylinder 2002-01-1346

A computer model is developed for a system consisting of an electronic chopper circuit driving a magnetic actuator, which in turn operates a hydraulic valve that controls a hydraulic cylinder. Here the entire system is modeled using SPICE, a widely used electric circuit simulation program. Besides the SPICE model of the chopper circuit, included are a model of the magnetic actuator obtained by electromagnetic finite element analysis and a model of the hydraulic valve and cylinder based on their hydraulic and mechanical equations. The complete model is used to compute typical system performance.


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