Numerical model approaches for in-line strip induction heating

Galunin, S.; Zlobina, M.; Blinov, K.

doi:10.1109/eurcon.2009.5167857

Cited by 9 publications

(3 citation statements)

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“…It is shown that temperature has a limited but nonlinear effect on the R−L parameters (max 0.2%/ • C), but the system does not include the potential impact on control. This paper also points out that the metal resistivity increases with temperature and highly influences the temperature profile around 700 • C. Galunin et al indicate in [20] that temperature-dependent material properties (with Cv = Cv(T ) being the volume specific heat of the strip material and λ = λ(T ) being its thermal conductivity) are taken into account at each time step. Parameters are corrected according to the temperature distribution in the workpiece at the previous time step, but no global temperature effect is given.…”

Section: Robustness Studymentioning

confidence: 86%

Robustness of a Resonant Controller for a Multiphase Induction Heating System

Nguyen

Pateau

Caux

et al. 2015

IEEE Trans. on Ind. Applicat.

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This paper presents a robustness study of the current control scheme for a multiphase induction heating system. Resonant control has been chosen in order to achieve a perfect current reference tracking in the inductors with different solutions from the literature. A simplified model of the system is given; it is based on data extracted from finite-element software, including a model of the energy transfer between the dc source and the currents. The metal sheet resistivity will change with temperature, inducing some modifications in the system parameters. These disturbances will be rejected by the resonant controllers whose pole and zero variations are investigated. In addition, the tuning method for the resonant controllers is detailed when the sampling frequency/ switching frequency ratio is very low. Some specific stability zones are defined for the resonant controller gains. The application is currently developed on a test bench devoted to disc induction heating.

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Section: Robustness Studymentioning

confidence: 86%

Robustness of a Resonant Controller for a Multiphase Induction Heating System

Nguyen

Pateau

Caux

et al. 2015

IEEE Trans. on Ind. Applicat.

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show abstract

“…al. indicate in [20] that temperature dependent material properties (with Cv = Cv (T) the volume specific heat of the strip material and = l(T) its thermal conductivity) are taken into account at each time step. Parameters are corrected according to the temperature distribution in the work piece at the previous time step but no global temperature effect is given.…”

Section: Robustness Studymentioning

confidence: 99%

Robustness of a resonant controller for a multiphase induction heating system

Egalon

Nguyen

Pateau

et al. 2013

2013 IEEE Industry Applications Society Annual Meeting

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This paper presents a robustness study of the current control scheme for a multi-phase induction heating system. Resonant control has been chosen in order to achieve a perfect current reference tracking in the inductors while different solutions from the literature. A simplified model of the system is given; it is based on data extracted from finite element software, including a model of the energy transfer between the dc source and the currents. The metal sheet resistivity will change with temperature inducing some modifications in the system parameters. These disturbances will be rejected by the resonant controllers whose pole and zero variations are investigated. In addition, the tuning method for the resonant controllers is detailed when the sampling frequency/switching frequency ratio is very low. Some specific stability zones are defined for the resonant controller gains. The application is currently developed on a test bench devoted to disc induction heating.Index Terms -current control, electromagnetic induction, induction heating, metal industry, multi phase, resonant control I.

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“…3-D finite element method (FEM) has been employed in the analysis of TFIH systems [1][2][3][4][5][6][7][8] while 2-D and 3-D FEM have been employed in the analysis of TWIH systems [9][10][11][12][13]. Few papers relating to analytical methods for the analysis of single phase and traveling wave but cylindrical induction heating systems have been published [14][15][16][17].…”

Section: Introductionmentioning

confidence: 99%

Analysis of Double and Single Sided Induction Heating Systems by Layer Theory Approach

Qaseer¹

2010

JEMAA

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The iterative layer theory approach is applied to the analysis of double sided and single sided induction heating systems for continuous heating of thin metal strips. The excitation is transverse to the direction of strip motion and can be three phase or single phase. Nonmagnetic as well as ferromagnetic strips are employed. The important system parameters, namely, strip resistance, reactance, induced power and electromagnetic force are introduced. Accuracy of the method is verified with measurement of practical induction heating system together with comparison to numerical and analytical methods

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Numerical model approaches for in-line strip induction heating

Cited by 9 publications

References 0 publications

Robustness of a Resonant Controller for a Multiphase Induction Heating System

Robustness of a Resonant Controller for a Multiphase Induction Heating System

Robustness of a resonant controller for a multiphase induction heating system

Analysis of Double and Single Sided Induction Heating Systems by Layer Theory Approach

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