The 4th INTERNATIONAL WORKSHOP ON
OPTIMIZATION AND INVERSE PROBLEMS
IN ELECTROMAGNETISM

Brno, Czech Republic, June 19 - 21, 1996

Technical Program



June 19 (Wednesday), 9.30 - 12.30
Chair: A. Savini, S. Russenschuck

Opening remarks (A. Gottvald)

1. Neural Networks and Genetic Algorithms for Inverse Electromagnetic Modelling (Invited)
M. Rudnicki
Inst. of Electrical Engineering, NMM, Poland

2. Use of Deterministic Methods and Finite Elements for the Solution of 3D Shape Optimization Problems in Electromagnetics
J. A. Ramirez, E. M. Freeman
Imperial College of Science, Technology & Medicine, Electrical & Electronic Engineering Department, UK

3. Responce Surface Modelling of Magnetic Device Performance using Function Value and Derivative
D. N. Dyck, D. A. Lowther
Infolytica Corporation, Canada

Break

4. Optimal Shape Design with Applications
P. Neittaanmaki
Dept. of Mathematics, University of Jyvaskyla, Finland

5. Design Sensitivity of Electro-Thermal Systems for Exciting-Coil Positioning
In-gu Kwak, Il-han Park2, Song-yop Hahn
Dept. of Electrical Eng., Seoul National University, Korea
2Dept. of Electrical Eng., Soongsil University, Korea

6. Shape Optimization of Synchronous Machine Rotor
O. Gizolme, F. Thollon, G. Clerc, G. Rojat
CEGELY-UPRESA CNRS, Ecole Centrale de Lyon, France

June 19 (Wednesday), 14.00 - 19.00
Chair: D. Lowther, P. Neittaanmaki, Il-han Park, Ch. Magele

7. ROXIE - A Feature-Based Design and Optimization Program for Superconducting Accelerator Magnets
S. Russenschuck, C. Paul
CERN, Switzerland

8. Multi Objective Optimisation with Stochastic Algorithms and Fuzzy Definition of Objective Function
M. Chiampi, G. Fuerntratt2, Ch. Magele2, C. Ragusa, M. Repetto
Dip. Ingegneria Elettrica Industriale, Politecnico di Torino, Italy
2IGTE, Technische Universität Graz, Austria

9. Automated Design of Magnetic Circuit of Induction Machines using Multiobjective Optimization Techniques and Finite Element Method
A. Canova, M. Chiampi, C. Ragusa, M. Repetto
Dipartimento di Ingegneria Elettrica Industriale, Politecnico di Torino, Italy

Break

10. Shape Optimisation of Electromagnetic Devices
V. Topa, E. Simion
Electrical Engineering Department, Technical University of Cluj-Napoca, Romania

11. Optimisation of Electromagnetic Devices using Genetic Algorithms
V. Topa, E. Simion
Electrical Engineering Department, Technical University of Cluj-Napoca, Romania

12. Shape Optimization Algorithms in 3D Electric Field Using the Boundary Element Method
C. Munteanu, M. Dinu, G. De Mey2, E. Simion
Electrical Engineering Department, Technical University of Cluj-Napoca, Romania
2University of Ghent, Belgium

13. An Application of the Boundary Element Method for Shape Optimization Algorithms in 2D Infinitely- Extended Domains
M. Dinu, C. Munteanu, G. De Mey2, E. Simion
Electrical Engineering Department, Technical University of Cluj-Napoca, Romania
2University of Ghent, Belgium

14. Method with Transferred Boundary Conditions to Elliptic Inverse Field Problems
I. Marinova, S. Papazov
Dept. of Electrical Apparatus, Technical University of Sofia, Bulgaria

15. Adjoint Field Technique Applied in Optimal Design of a Nonlinear Inductor D. Ioan, I. Munteanu, G. Ciuprina
Numerical Methods Laboratory, "Politehnica" Univ. of Bucharest, Romania

Break

16. Application of Sobolev's Space to Design of Passive Filters
J. Walczak, D. Grabowski
Silesian Technical University, Poland

17. An Application of Hermite Function in the Matching Theory of Non-Periodical Systems
J. Walczak, G. Obrebski
Silesian Technical University, Poland

18. A Computational Approach for Non-Linear Circuits With Inductors Including Static and Dynamic Hysteresis
P. Del Vecchio, A. Salvini, G. M. Veca2
TreDipartimento di Ingegneria Elettronica, Universitá degli Studi di Roma, Italy
2Dipartimento di Ingegneria Elettrica, Universitá degli Studi di Roma "La Sapienza", Italy

19. Comparative Studies of Fields Generated by Current Carrying Conductors with Fibonacci Shapes
Z. W. Trzaska
Dept. of Electrical Engineering, Warsaw University of Technology, Poland

20. The Main Approaches to Optimization of Pulsed Electromechanical Devices
V. T. Chemerys
Inst. of Electrodynamics, National Academy of Sciences of Ukraine, Ukraine

21. Inverse Problems and Systems Identification in Magnetic Diagnostics of Plasma in Tokamak Device
V. F. Gubarev, N. N. Aksenov
Glushkov Institute of Cybernetics, National Academy of Sciences of Ukraine, Ukraine

22. Some Inverse Problems in the End Regions of Powerful Turbogenerators
R. D. Stancheva, I.I. Iatcheva
Dept. of Theoretical Electrical Engineering, Technical University of Sofia, Bulgaria

23. Interior Inverse Conductivity Problems for Anisotropic Media
I. Brilla
Fac. of Electrical Engineering and Information Technology, Slovak Technical University, Slovak Republic

24. Electromagnetic Field Excitation due to Acoustic Wave in Conducting Medium
K. Capova, I. Cap
Fac. of Electrical Engineering, Univ. of Transport and Communications in Zilina, Slovak Republic

June 20, 1996 (Thursday), 9.00 - 12.30 Chair: W. Lord, A. Bossavit

25. Asymptotics in the Building of Mathematical Models for Defect-Signal Interaction
A. Bossavit
Electricite de France & LGEP, France

26. Inverse Problems Associated with Gas Transmission Pipeline NDT
W. Lord, L. Udpa, S. Udpa, S. Mandayam
Electrical and Computer Engineering Dept., Iowa State University, USA

27. A Method for the Analysis of Metallic Tubes with ECT and Neuro-Fuzzy Processing
R. Albanese, A. Formisano2, R. Martone3, C. Morabito, G. Rubinacci4, F. Villone4
Dip. di Inform., Matem., Elettr., Transporti, Universita degli Studi di Reggio Calabria, Italy
2Dip. di Ingegneria Elettrica, Universitá di Napoli "Federico II", Italy
3Dip. di Ingegneria, Seconda Universitá degli Studi di Napoli, Italy
4Dip. di Ingegneria Industriale, Universitá degli Studi di Cassino, Italy

Break

28. Defect Identification by Combining Genetic and Pattern Matching Algorithms
I. Marinova, T. Doi2, S. Hayano2, Y. Saito2
Dept. of Electrical Apparatus, Technical University of Sofia, Bulgaria
2College of Engineering, Hosei University, Japan

29. On Inverse Methodologies in ECT
A. Gottvald
Inst. of Scientific Instruments, Academy of Sciences of the CR, Czech Republic

30. Identification of Flaws Tested by Eddy Current NDT
R. Sikora, O. Malyszko
Dept. of Electrical Eng., Technical Univ. of Szczecin, Poland

31. Neural Network Approach to Crack Identification
R. Sikora, T. Chady, J. Sikora2
Theoretical Electrotechnics and Computer Science Dept., Tech. Univ. of Szczecin, Poland
2Inst. of the Theory of Electrical Eng. and Electrical Measurements, Warsaw University of Technology, Poland

32. Crack Identification by Eddy Current Tomography
R. Sikora, J. Sikora, B. Panczyk
Theoretical Electrotechnics and Computer Science Dept., Tech. Univ. of Szczecin, Poland
2Inst. of the Theory of Electrical Eng. and Electrical Measurements, Warsaw University of Technology, Poland
3Computer Science Dept., Lublin Technical Univ., Poland

June 20 (Thursday), 14.00 - 18.00 Chair: R. Albanese, R. W. Brown, I. Frollo

33. On Inverse and Optimization Problems in MR: Old Dogs, New Tricks
A. Gottvald
Inst. of Scientific Instruments, Academy of Sciences of the CR, Czech Republic

34. Inverse Methodologies, Meta-Evolutionary Optimization and Bayesian Statistics: Applications to In Vivo MRS
A. Gottvald
Inst. of Scientific Instruments, Academy of Sciences of the CR, Czech Republic

35. Application of Inverse Methods to the Design of MRI Coils
R. W. Brown, H. Fujita, Sh. M. Shvartsman, M. A. Morich2, L. S. Petropoulos2
Department of Physics, Case Western Reserve University, USA
2Picker International, Inc., USA

36. Inverse Methods in the Design of a Short MRI Main Magnet
R. W. Brown, M. R. Thompson, V. C. Srivastava2
Department of Physics, Case Western Reserve University, USA
2Picker International, Inc., USA

Break

37. Narrow Gap Parallel Plane RF Coil System Design for Nuclear Magnetic Resonance Imaging
I. Frollo
Institute of Measurement Science, Slovak Academy of Sciences, Slovak Republic

38. Design and Optimization of Cylindrical Gradient Coils with Ultra Purity Magnetic Field for MRI System MIDI-200
P. Konzbul, K. Sveda
Inst. of Scientific Instruments, Academy of Sciences of the CR, Czech Republic

39. Analytic Formulas for the Magnetic Fields, Vector Potentials, and Magnetic Flux of 1-D, 2-D, and 3-D Current-Carrying and Magnetized Finite Elements
C. F. Weggel
Magnet Analysis for Government, Industry, and Colleges, USA

40. Novel Optimization Procedure Utilizing the Conformal Transformation Method
T. Onuki, S. Wakao, J. W. Im, F. Ogawa, H. Takahashi
Dept. of Electrical Engineering, Waseda University, Japan

41. Study of C Shape Permanent Magnet for MRI System
Zengren Dong, Hang Guo, Dexi Zhao
Inst. of Electrical Engineering, Academia Sinica, P.R. China

18.30 - 19.30: Visit of "Mendelianum" (the museum of genetic discoveries of J. G. Mendel)
19.30 - 22.00: Workshop evening - visiting vine-cellars "U Kralovny Elisky" (At The Queen Elis)

June 21 (Friday), 9.00 - 12.30 Chair: M. Rudnicki, I. Marinova

42. Tabu Search Coupled with Deterministic Strategies for the Optimal Design of MRI Devices
A. Fanni, G. Giacinto, M. Marchesi, A. Serri
Dipartimento di Ingegneria Elettrica ed Elettronica, Universitá di Cagliari, Italy

43. Tuning of the Optimization Strategies on the Problem Size
A. Fanni, M. Marchesi, A. Serri, M. Usai
Dipartimento di Ingegneria Elettrica ed Elettronica, Universitá di Cagliari, Italy

44. Neural Network Approach for Structural Optimization: Boundary Conditions Case
E. Ratajewicz-Mikolajczak, J. Sikora2
Dept. of Fundamental Electrical Eng., Lublin Technical Univ., Poland
2Dept. of Electrical Engineering, Warsaw University of Technology, Poland

45. ANN + GA-based Intelligent Control System
G. K. Voronovsky, V. B. Klepikov, S. A. Sergeev, K. V. Mahotilo
Kharkov State Polytechnic University, Ukraine

46. Parallel Genetic Algorithm for Multicriteria Optimization
L. I. Lysenko, V. I. Omelynenko, S. A. Sergeev, V. P. Severin
Kharkov State Polytechnic University, Ukraine

Break

47. Electromagnetic Field Inversion Based on Generalized Radial Basis Functions
I. T. Rekanos, T. D. Tsiboukis
Department of Electrical and Computer Engineering, Aristotle University of Therssaloniki, Greece

48. Comparison of Evolution Strategy and Backpropagation for Estimating Parameters of Neural Networks
R. Malczyk, A. Gottvald
Inst. of Scientific Instruments, Academy of Sciences of the CR, Czech Republic

49. Neural Model of Magnetic Fields in MRS with Genetic Optimization
P. Osmera, J. Chladek
Fac. of Mechanical Engineering, Technical University Brno, Czech Republic

June 21 (Friday), 14.00 - 18.00 Chair: P. Di Barba, M. Repetto, M. Kasper

50. Reconstruction of Diffuse Current Sources Using Modified Minimum-Norm Solutions
H. Brauer, M. Ziolkowski, U. Tenner, H. Wiechmann, A. Arlt
Dept. of Fundamentals and Theory of Electrical Engineering, Technical University Ilmenau, Germany

51. Optimum Selection of Frequency for Medical Equipment Using Electrical Impedance Tomography
R. Sikora, M. Zenczak2
Dept. of Electrical Eng., Technical Univ. of Szczecin, Poland
2Inst. of Electrical Eng., Technical Univ. of Szczecin, Poland

52. Optimization of Magnetic Configuration of EMS-MAGLEV Systems
M. Andriollo, G. Martinelli, A. Morini, A. Tortella
Department of Electrical Engineering, University of Padova, Italy

53. Optimal Design of Windings for the Continuous Induction Hardening Process of Steel Bars
P. Di Barba, F. Dughiero2, F. Trevisan3
Dipartimento di Ingegneria Elettrica, Universitá di Pavia, Italy
2Dipartimento di Ingegneria Elettrica, Universitá di Padova, Italy
3Dipartimento di Ingegneria Elettrica, Universitá di Udine, Italy

Break

54. A Comparative Study of Loney's Solenoid by Different Techniques of Global Optimization
C. A. Borghi, P. Di Barba2, M. Fabri, A. Savini2
Dipartimento di Ingegneria Elettrica, Universitá di Bologna, Italy
2Dipartimento di Ingegneria Elettrica, Universitá di Pavia, Italy

55. Optimal Shape Design of an Iron-cored Electromagnet: a Further Benchmark Problem in Magnetostatics
P. Di Barba, A. Savini
Dipartimento di Ingegneria Elettrica, Universitá di Pavia, Italy

56. A Benchmark Problem for the Optimal Design of the Poloidal Coils of a Fussion Experiment Toroidal Device
C. A. Borghi, M. Fabbri
Department of Electrical Engineering, University of Bologna, Italy

57. A Gradient Method to Find the Optimal Configuration for a SMES Device
Ch. Magele, G. Fuerntratt, W. Ring2, K. R. Richter
Inst. for Fundamentals and Theory in Electrical Engineering, Graz University of Technology, Austria
2Institute for Mathematics, Graz University of Technology, Austria

58. Some Results on a SMES Device Optimization Benchmark Problem
P. Alotto, G. Fuerntratt2, Ch. Magele2, G. Molinari, M. Nervi, M. Repetto3, K. R. Richter2
Dipartimento di Ingegneria Elettrica, Universitá di Genova, Italy
2Inst. for Fundamentals and Theory in Electrical Engineering, Graz University of Technology, Austria
3Dipartimento di Ingegneria Elettrica Industriale, Politecnico di Torino, Italy

Closing remarks

"WILD CARDS" (contributions received and accepted after the dead-line):

59. Program for Heat Transfer Optimization in Electrical Cables
Ion Carstea, Daniela Carstea2
Fac. of Aut., Comp. & Electronics, University of Craiova, Romania
2ICMET Electroputere, Craiova, Romania

60. The Shooting Evolution Strategies
M. Sojdr
SOJDware, 68 731 Sumice, Czech Republic

June 22 (Saturday), 10.00 - 13.00

A post-Workshop guided tour around the historical Brno centre


E-mail: Ales Gottvald