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Optimization procedures in the design of continuous induction hardening and tempering installations for magnetic steel bars

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3 Author(s)
Dughiero, F. ; Dept. of Electr. Eng., Padova Univ., Italy ; Battistetti, M. ; Nunes Alves, M.

An inverse problem concerning the industrial process of steel bars hardening and tempering is considered. The associated optimization problem is formulated in terms of membership functions and, for the sake of comparison, also in terms of quadratic residuals; both geometric and electromagnetic design variables have been considered. The numerical solution is achieved by coupling a finite difference procedure for the calculation of the electromagnetic and thermal fields to a deterministic strategy of minimization based on modified Fletcher and Reeves method

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Magnetics, IEEE Transactions on  (Volume:34 ,  Issue: 5 )