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Inverse heat source problem and experimental design for determining iron loss distribution
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A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
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Authors
Hannukainen, Antti
Hyvonen, Nuutti
Perkkiö, Lauri
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en
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28
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SIAM Journal on Scientific Computing, Volume 43, issue 2, pp. B243-B270
Abstract
Iron loss determination in the magnetic core of an electrical machine, such as a motor or a transformer, is formulated as an inverse heat source problem. The sensor positions inside the object are optimized in order to minimize the uncertainty in the reconstruction in the sense of the A-optimality of Bayesian experimental design. This paper focuses on the problem formulation and an efficient numerical solution of the discretized sensor optimization and source reconstruction problems. A semirealistic linear model is discretized by finite elements and studied numerically.
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Hannukainen, A, Hyvonen, N & Perkkiö, L 2021, 'Inverse heat source problem and experimental design for determining iron loss distribution', SIAM Journal on Scientific Computing, vol. 43, no. 2, pp. B243-B270. https://doi.org/10.1137/20M1329986