Computer aided design in magnetics
Computer aided design in magnetics
Discrete-time signal processing
Discrete-time signal processing
An indirect prediction error method for system identification
Automatica (Journal of IFAC)
System identification (2nd ed.): theory for the user
System identification (2nd ed.): theory for the user
Finite sample criteria for autoregressive order selection
IEEE Transactions on Signal Processing
Asymptotic MAP criteria for model selection
IEEE Transactions on Signal Processing
Order selection for vector autoregressive models
IEEE Transactions on Signal Processing
L2 Model reduction and variance reduction
Automatica (Journal of IFAC)
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The purpose of this paper is to present a novel approach in time-domain simulations based on the time-stepping finite element method (FEM). The method uses a single time-stepping FEM simulation to determine the unit step response of the system. On the basis of this response, a digital filter with transfer function equal to that of the target system is designed. This allows excitation to be varied without need for the field analysis to be performed again. Such an approach can give substantial speed-up in electromagnetic or structural simulation. The proposed approach was validated in the simulation of a pulsed eddy-current inspection system and in the simulation of the eddy currents induced in the shield of a busbar system.