Response surface modelling of an actuator in Simulink®
Modelling an electromagnetic actuator in a systems context is sometimes required to accurately simulate the dynamic interaction between drive circuit, actuator, and load. Response Surface Modelling (RSM) creates a functionally equivalent model of the actuator by performing a large number of static analyses at different currents and positions.

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Actuator with Diode
This actuator example demonstrates the power of the fully integrated Transient 3D with motion solver, which simultaneously solves the circuit equations, the field equations on the finite element mesh, and the equations of motion. All three sets of equations include some sort of non-linearity. For the circuit the non-linear element is the diode. The finite element solver must deal with non-linear magnetic materials, and the motion solver handles the instantaneous reversal of velocity that occurs when the plunger bounces off a bumper.

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Creating a response surface model of an actuator for multi-discipline design in SystemVision
Accurately simulating the dynamic interaction between a drive circuit, an electric actuator and a load can be a challenging problem due to the multi-discipline design required.

Open Report (Model 0133)

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