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Time-Domain Simulation of Mixed Nonlinear Magnetic and Electronic Systems

AD, Brown, JN, Ross and KG, Nichols (2001) Time-Domain Simulation of Mixed Nonlinear Magnetic and Electronic Systems IEEE Transactions on Magnetics, 37, (1), pp. 522-32.

Record type: Article


This paper describes a technique for the simulation of complex magnetic systems intimately connected to any necessary drive electronics. The system is split into two Kirchhoffian domains, one magnetic and one electric. Two-way interaction between the domains is supported by a virtual device called a magneto-electric differential gyrator. Using this technique, arbitrarily complex, non-linear, hysteretic magnetic systems may be simulated in the time domain, coupled to any appropriate non-linear electronics, at a fraction of the cost of a comparable finite element calculation. The capabilities of the system are demonstrated by the simulation of a feedback-controlled current sensing system, and the simulation tracks the measured behaviour of the system well outside its linear region, to the point that the non-linear hysteretic core is being driven into and out of saturation, a consequence of a time delay inherent in the electronics. This is compared with a simulation of the same system using a 'conventional' electronic simulation, and the increased accuracy of this technique clearly demonstrated.

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Published date: January 2001
Organisations: EEE


Local EPrints ID: 255899
ISSN: 0018-9464
PURE UUID: 5a3d176b-bd23-45a3-a6dd-d76d95da5965

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Date deposited: 02 Mar 2005
Last modified: 18 Jul 2017 09:50

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Author: Brown AD
Author: Ross JN
Author: Nichols KG

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