Projects funded by the NCN

Information on the principal investigator and host institution

Information of the project and the call

Keywords

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Efficient Modeling and Optimization Techniques for Solving Computationally Expensive Engineering Design Problems

2015/17/B/ST6/01857

Keywords:

surrogate models CFD models electromagnetic models computationally expensive problems

Descriptors:

  • ST6_12:
  • ST7_3:
  • ST1_18:

Panel:

ST6 - Computer science and informatics: informatics and information systems, computer science, scientific computing, intelligent systems

Host institution :

Politechnika Gdańska, Wydział Elektroniki, Telekomunikacji i Informatyki

woj. pomorskie

Other projects carried out by the institution 

Principal investigator (from the host institution):

prof. Sławomir Marcin Kozieł 

Number of co-investigators in the project: 6

Call: OPUS 9 - announced on 2015-03-16

Amount awarded: 892 000 PLN

Project start date (Y-m-d): 2016-07-13

Project end date (Y-m-d): 2020-06-12

Project duration:: 47 months (the same as in the proposal)

Project status: Project settled

Project description

Download the project description in a pdf file

Note - project descriptions were prepared by the authors of the applications themselves and placed in the system in an unchanged form.

Equipment purchased [PL]

  1. Zestaw komputerowy (2 szt.) (7 000 PLN)

Information in the final report

  • Publication in academic press/journals (51)
  • Articles in post-conference publications (48)
  1. Expedited design closure of antennas by means of trust-region-based adaptive response scaling
    Authors:
    S. Koziel, S.D. Unnsteinsson
    Academic press:
    IEEE Antennas and Wireless Propagation Letters (rok: 2018, tom: 17, strony: 1099-1103), Wydawca: IEEE
    Status:
    Published
    DOI:
    10.1109/lawp.2018.2834145 - link to the publication
  2. Feasible space boundary search for improved optimisation-based miniaturisation of antenna structures
    Authors:
    D.O. Johanesson, S. Koziel
    Academic press:
    IET Microwaves, Antennas and Propagation (rok: 2018, tom: 12, strony: 1273-1278), Wydawca: IET
    Status:
    Published
    DOI:
    10.1049/iet-map.2017.0644 - link to the publication
  3. Selection of circuit geometry for miniaturized microwave components based on concurrent optimization of performance and layout area
    Authors:
    P. Kurgan, S. Koziel
    Academic press:
    AEU - International Journal of Electronics and Communications (rok: 2019, tom: 108, strony: 287-294), Wydawca: Elsevier
    Status:
    Published
    DOI:
    10.1016/j.aeue.2019.06.009 - link to the publication
  4. Bandwidth-size design trade-offs for compact spline-parameterized patch couplers by means of EM-driven multi-objective optimization
    Authors:
    S. Koziel, A. Bekasiewicz
    Academic press:
    IET Microwaves, Antennas & Propagation (rok: 2019, tom: 13, strony: 1921-1927), Wydawca: IET
    Status:
    Published
    DOI:
    10.1049/iet-map.2018.5960 - link to the publication
  5. Domain segmentation for low-cost surrogate-assisted multi-objective design optimization of antennas
    Authors:
    S. Koziel, A. Bekasiewicz
    Academic press:
    IET Microwaves, Antennas & Propagation (rok: 2018, tom: 12, strony: 1728-1735), Wydawca: IET
    Status:
    Published
    DOI:
    10.1049/iet-map.2017.0635 - link to the publication
  6. Recent advances in rapid multi-objective optimization of expensive simulation models in microwave and antenna engineering by Pareto front exploration
    Authors:
    S. Koziel and A. Bekasiewicz
    Academic press:
    International Journal of RF and Microwave Computer-Aided Engineering (rok: 2018, tom: 28, strony: e21190), Wydawca: Wiley
    Status:
    Published
    DOI:
    10.1002/mmce.21190 - link to the publication
  7. Uniform sampling in constrained domains for low-cost surrogate modeling of antenna input characteristics
    Authors:
    S. Koziel, A.T. Sigurdsson, and S. Szczepanski
    Academic press:
    IEEE Antennas and Wireless Propagation Letters (rok: 2018, tom: 17, strony: 164-167), Wydawca: IEEE
    Status:
    Published
    DOI:
    10.1109/LAWP.2017.2778712 - link to the publication
  8. Generalized Pareto ranking bisection for computationally feasible multi-objective antenna optimization
    Authors:
    S.D. Unnsteinsson, S. Koziel
    Academic press:
    Int. J. RF and Microwave CAE (rok: 2018, tom: 28, strony: e21406), Wydawca: Wiley
    Status:
    Published
    DOI:
    10.1002/mmce.21406 - link to the publication
  9. Rapid design closure of linear microstrip antenna array apertures using response features
    Authors:
    S. Koziel and S. Ogurtsov
    Academic press:
    IEEE Antennas and Wireless Propagation Letters (rok: 2018, tom: 17, strony: 645-648), Wydawca: IEEE
    Status:
    Published
    DOI:
    10.1109/lawp.2018.2808929 - link to the publication
  10. Expedited EM-driven generation of Paretooptimal trade-off curves for variable-turn onchip inductors
    Authors:
    S. Koziel, P. Kurgan
    Academic press:
    IET Microwaves, Antennas and Propagation (rok: 2018, tom: 12, strony: 1205-1210), Wydawca: IET
    Status:
    Published
    DOI:
    10.1049/iet-map.2017.0298 - link to the publication
  11. Performance-based nested surrogate modeling of antenna input characteristics
    Authors:
    S. Koziel, A. Pietrenko-Dabrowska
    Academic press:
    IEEE Transactions on Antennas and Propagation (rok: 2019, tom: 67, strony: 2904-2912), Wydawca: IEEE
    Status:
    Published
    DOI:
    10.1109/TAP.2019.2896761 - link to the publication
  12. Numerically efficient algorithm for compact microwave device optimization with flexible sensitivity updating scheme
    Authors:
    A. Pietrenko-Dabrowska, S. Koziel
    Academic press:
    International Journal of RF and Microwawe CAE (rok: 2019, tom: 29, strony: 45664), Wydawca: Wiley
    Status:
    Published
    DOI:
    10.1002/mmce.21714 - link to the publication
  13. Improved trust-region gradient-search algorithm for accelerated optimization of wideband antenna input characteristics
    Authors:
    S. Koziel
    Academic press:
    International Journal of RF and Microwave CAE (rok: 2018, tom: 29, strony: 45664), Wydawca: Wiley
    Status:
    Published
    DOI:
    10.1002/mmce.21576 - link to the publication
  14. A design framework for rigorous constrained EM-driven optimization of miniaturized antennas with circular polarization
    Authors:
    A. Bekasiewicz, S. Koziel
    Academic press:
    Metrology and Measurement Systems (rok: 2019, tom: 26, strony: 41-52), Wydawca: Polska Akademia Nauk
    Status:
    Published
    DOI:
    10.24425/mms.2019.126331 - link to the publication
  15. Sequential approximate optimization for statistical analysis and yield optimization of circularly polarized antennas
    Authors:
    S. Koziel, A. Bekasiewicz
    Academic press:
    IET Microwaves, Antennas and Propagation (rok: 2018, tom: 12, strony: 2060-2064), Wydawca: IET
    Status:
    Published
    DOI:
    10.1049/iet-map.2018.5343 - link to the publication
  16. Expedited design closure of antenna input characteristics by trust region gradient search and principal component analysis
    Authors:
    J.A. Tomasson, S. Koziel, A. Pietrenko-Dabrowska
    Academic press:
    IEEE Access (rok: 2020, tom: 8, strony: 8502-8511), Wydawca: IEEE
    Status:
    Published
    DOI:
    10.1109/ACCESS.2020.2964096 - link to the publication
  17. Expedited antenna optimization with numerical derivatives and gradient change tracking
    Authors:
    A. Pietrenko-Dabrowska, S. Koziel
    Academic press:
    Engineering Computations (rok: 2020, tom: 37, strony: 1179-1193), Wydawca: Emerald Publishing
    Status:
    Published
    DOI:
    10.1108/EC-04-2019-0155 - link to the publication
  18. Reliable assessment of topological modifications in UWB antennas by means of multi-objective optimization
    Authors:
    A. Bekasiewicz and S. Koziel
    Academic press:
    Microwave and Optical Technology Letters (rok: 2017, tom: 59, strony: 1493-1499), Wydawca: Wiley
    Status:
    Published
    DOI:
    10.1002/mop.30577 - link to the publication
  19. Expedite EM-driven generation of Pareto optimal trade-off curves for variable-turn on-chip inductors
    Authors:
    S. Koziel and P. Kurgan
    Academic press:
    IET Microwaves Antennas and Propagation (rok: 2018, tom: 12, strony: 1205-1210), Wydawca: IET
    Status:
    Published
    DOI:
    10.1049/iet-map.2017.0298 - link to the publication
  20. Performance-driven modeling of compact couplers in restricted domains
    Authors:
    S. Koziel, A.T. Sigurdsson
    Academic press:
    Int. J. RF and Microwave CAE (rok: 2018, tom: 28, strony: e21296), Wydawca: Wiley
    Status:
    Published
    DOI:
    10.1002/mmce.21296 - link to the publication
  21. Rapid multi-objective design of integrated on-chip inductors by means of Pareto front exploration and design extrapolation
    Authors:
    S. Koziel, P. Kurgan
    Academic press:
    Journal of Electromagnetic Waves and Applications (rok: 2019, tom: 33, strony: 1416-1426), Wydawca: Taylor & Francis
    Status:
    Published
    DOI:
    10.1080/09205071.2019.1610504 - link to the publication
  22. Ground plane modifications for design of miniaturised UWB antennas
    Authors:
    S. Koziel, M.A. ul Haq
    Academic press:
    IET Microwaves, Antennas and Propagation (rok: 2018, tom: 12, strony: 1360-1366), Wydawca: IET
    Status:
    Published
    DOI:
    10.1049/iet-map.2017.1111 - link to the publication
  23. On reduced-cost design-oriented constrained surrogate modeling of antenna structures
    Authors:
    S. Koziel, A. Bekasiewicz
    Academic press:
    IEEE Antennas and Wireless Propagation Letters (rok: 2017, tom: 16, strony: 1618-1621), Wydawca: IEEE
    Status:
    Published
    DOI:
    10.1109/LAWP.2017.2654304 - link to the publication
  24. Fast surrogate-assisted frequency scaling ofplanar antennas with circular polarisation
    Authors:
    S. Koziel, A. Bekasiewicz
    Academic press:
    IET Microwaves, Antennas & Propagation (rok: 2019, tom: 13, strony: 602-607), Wydawca: IET
    Status:
    Published
    DOI:
    10.1049/iet-map.2018.5483 - link to the publication
  25. Miniaturized dual-band branch-line coupler with enhanced bandwidth
    Authors:
    A. Bekasiewicz
    Academic press:
    Microwave and Optical Technology Letters (rok: 2019, tom: 61, strony: 1441-1444), Wydawca: Wiley
    Status:
    Published
    DOI:
    10.1002/mop.31849 - link to the publication
  26. A bisection-based heuristic for rapid EM-driven multi-objective design of compact impedance transformers
    Authors:
    A. Bekasiewicz, S. Koziel
    Academic press:
    International Journal of Numerical Modelling: Electronic Networks, Devices and Fields (rok: 2019, tom: 32, strony: 45664), Wydawca: Wiley
    Status:
    Published
    DOI:
    10.1002/jnm.2523 - link to the publication
  27. Reduced-cost surrogate modeling of compact microwave components by two-level kriging interpolation
    Authors:
    S. Koziel, A. Pietrenko-Dabrowska
    Academic press:
    Engineering Optimization (rok: 2019, tom: 52, strony: 524-544), Wydawca: Taylor & Francis
    Status:
    Published
    DOI:
    10.1080/0305215X.2019.1630399 - link to the publication
  28. Expedited optimization of antenna input characteristics with adaptive Broyden updates
    Authors:
    S. Koziel, A. Pietrenko-Dabrowska
    Academic press:
    Engineering Computations (rok: 2020, tom: 37, strony: 815-862), Wydawca: Emerald Publishing
    Status:
    Published
    DOI:
    10.1108/EC-01-2019-0023 - link to the publication
  29. Fast re-design and geometry scaling of multi-band antennas using inverse surrogate modeling techniques
    Authors:
    S. Koziel and A. Bekasiewicz
    Academic press:
    International Journal of Numerical Modelling: Electronic Networks, Devices and Fields (rok: 2018, tom: 31, strony: e2287), Wydawca: Wiley
    Status:
    Published
    DOI:
    10.1002/jnm.2287 - link to the publication
  30. Reliable low-cost surrogate modeling and design optimization of antennas using implicit space mapping with substrate segmentation
    Authors:
    S. Koziel, A. Bekasiewicz
    Academic press:
    IET Microwaves, Antennas & Propagation (rok: 2017, tom: 11, strony: 2066-2070), Wydawca: IET
    Status:
    Published
    DOI:
    10.1049/iet-map.2017.0382 - link to the publication
  31. Response features for low-cost statistical analysis and tolerance-aware design of antennas
    Authors:
    S. Koziel, A. Bekasiewicz, and Q.S. Cheng
    Academic press:
    International Journal of Numerical Modelling: Electronic Networks, Devices and Fields (rok: 2018, tom: 31, strony: e2297), Wydawca: Wiley
    Status:
    Published
    DOI:
    10.1002/jnm.2297 - link to the publication
  32. Comprehensive comparison of compact UWB antenna performance by means of multi-objective optimization
    Authors:
    S. Koziel, A. Bekasiewicz
    Academic press:
    IEEE Transactions on Antennas and Propagation (rok: 2017, tom: 65, strony: 3427-3436), Wydawca: IEEE
    Status:
    Published
    DOI:
    10.1109/TAP.2017.2700044 - link to the publication
  33. Model correction and optimization framework for expedited EM-driven surrogate-assisted design of compact antennas
    Authors:
    A. Bekasiewicz
    Academic press:
    IEEE Antennas and Wireless Propagation Letters (rok: 2018, tom: 17, strony: 468-471), Wydawca: IEEE
    Status:
    Published
    DOI:
    10.1109/LAWP.2018.2795532 - link to the publication
  34. Triangulation-based constrained surrogate modeling of antennas
    Authors:
    S. Koziel, A.T. Sigurdsson
    Academic press:
    IEEE Transactions on Antennas and Propagation (rok: 2018, tom: 66, strony: 4170-4179), Wydawca: IEEE
    Status:
    Published
    DOI:
    10.1109/tap.2018.2839759 - link to the publication
  35. A wideband corrugated ridged horn antenna width enhanced gain and stable phase center for X- and Ku-band applications
    Authors:
    S. Manshari, S. Koziel, L. Leifsson
    Academic press:
    IEEE Antennas and Wireless Propagation Letters (rok: 2019, tom: 18, strony: 1031-1035), Wydawca: IEEE
    Status:
    Published
    DOI:
    10.1109/LAWP.2019.2908290 - link to the publication
  36. Variable-fidelity simulation models and sparse gradient updates for cost-efficient optimization of compact antenna input characteristics
    Authors:
    S. Koziel, A. Pietrenko-Dabrowska
    Academic press:
    Sensors (rok: 2019, tom: 19, strony: 45669), Wydawca: MDPI
    Status:
    Published
    DOI:
    10.3390/s19081806 - link to the publication
  37. Enhanced uniform data sampling for constrained data-driven modelling of antenna input characteristics
    Authors:
    S. Koziel, A.T. Sigurdsson, A. Pietrenko-Dabrowska, S. Szczepanski
    Academic press:
    International Journal of Numerical Modeling (rok: 2019, tom: 32, strony: 45668), Wydawca: Wiley
    Status:
    Published
    DOI:
    10.1002/jnm.2584 - link to the publication
  38. Inverse and forward surrogate models for expedited design optimization of unequal-power-split patch couplers
    Authors:
    S. Koziel, A. Bekasiewicz
    Academic press:
    Metrology and Measurement Systems (rok: 2019, tom: 26, strony: 463-473), Wydawca: Polska Akademia Nauk
    Status:
    Published
    DOI:
    10.24425/mms.2019.129578 - link to the publication
  39. Point-by-point Pareto front exploration and adjoint sensitivities for rapid multi-objective optimization of compact impedance matching transformers
    Authors:
    S. Koziel, A. Bekasiewicz
    Academic press:
    International Journal of Numerical Modelling: Electronic Networks, Devices and Fields (rok: 2018, tom: 31, strony: 45664), Wydawca: Wiley
    Status:
    Published
    DOI:
    10.1002/jnm.2350 - link to the publication
  40. Implicit space mapping for variable-fidelity EM-driven design of compact circuits
    Authors:
    S. Koziel, A. Bekasiewicz
    Academic press:
    IEEE Microwave and Wireless Components Letters (rok: 2018, tom: 28, strony: 275-277), Wydawca: IEEE
    Status:
    Published
    DOI:
    10.1109/LMWC.2018.2811253 - link to the publication
  41. Reduced-cost design closure of antennas by means of gradient search with restricted sensitivity update
    Authors:
    S. Koziel, A. Pietrenko-Dabrowska
    Academic press:
    Metrology and Measurement Systems (rok: 2019, tom: 26, strony: 595-605), Wydawca: Polska Akademia Nauk
    Status:
    Published
    DOI:
    10.24425/mms.2019.130561 - link to the publication
  42. Rapid design closure of microwave components by means of feature-based optimization and adjoint sensitivities
    Authors:
    S. Koziel and A. Bekasiewicz
    Academic press:
    International Journal of RF and Microwave Computer-Aided Engineering (rok: 2018, tom: 28, strony: e21182), Wydawca: Wiley
    Status:
    Published
    DOI:
    10.1002/mmce.21182 - link to the publication
  43. Efficient gradient-based algorithm with numerical derivatives for expedited optimization of multi-parameter miniaturized impedance matching transformers
    Authors:
    S. Koziel, A. Pietrenko-Dabrowska
    Academic press:
    Radioengineering (rok: 2019, tom: 28, strony: 572-578), Wydawca: Chech and Sloval Technical Universities
    Status:
    Published
    DOI:
    10.13164/re.2019.0572 - link to the publication
  44. Miniaturization of wideband antennas by means of feed line topology alterations
    Authors:
    M.A. Haq, S. Koziel
    Academic press:
    IET Microwaves, Antennas and Propagation (rok: 2018, tom: 12, strony: 2128-2134), Wydawca: IET
    Status:
    Published
    DOI:
    10.1049/iet-map.2018.5197 - link to the publication
  45. Miniaturization of wideband antennas by means of feed line topology alterations
    Authors:
    M.A. Haq, S. Koziel, Q.S. Cheng
    Academic press:
    IET Microwaves Antennas and Propagation (rok: 2018, tom: 12, strony: 2128-2135), Wydawca: IET
    Status:
    Published
    DOI:
    10.1049/iet-map.2018.5197 - link to the publication
  46. Reduced-cost electromagnetic-driven optimization of antenna structures by means of trust-region gradient-search with sparse Jacobian updates
    Authors:
    S. Koziel, A. Pietrenko-Dabrowska
    Academic press:
    IET Microwaves Antennas and Propagation (rok: 2019, tom: 13, strony: 1646-1652), Wydawca: IET
    Status:
    Published
    DOI:
    10.1049/iet-map.2018.5879 - link to the publication
  47. Low-cost and reliable geometry scaling of compact microstrip couplers with respect to operating frequency, power split ratio and dielectric substrate parameters
    Authors:
    S. Koziel, A. Bekasiewicz
    Academic press:
    IET Microwaves, Antennas & Propagation (rok: 2018, tom: 12, strony: 1508-1513), Wydawca: IET
    Status:
    Published
    DOI:
    10.1049/iet-map.2017.1166 - link to the publication
  48. EM-driven constrained miniaturization of antennas using adaptive in-band reflection acceptance threshold
    Authors:
    D.O. Johanesson, S. Koziel, A. Bekasiewicz
    Academic press:
    International Journal of Numerical Modelling: Electronic Networks, Devices and Fields (rok: 2019, tom: 32, strony: 45666), Wydawca: Wiley
    Status:
    Published
    DOI:
    10.1002/jnm.2513 - link to the publication
  49. Efficient gradient-based algorithm with numerical derivatives for expedited optimization of multi-parameter miniaturized impedance matching transformers
    Authors:
    S. Koziel, A. Pietrenko-Dabrowska
    Academic press:
    Radioengineering (rok: 2019, tom: 28, strony: 572-578), Wydawca: Chech and Sloval Technical Universities
    Status:
    Published
    DOI:
    10.13164/re.2019.0572 - link to the publication
  50. Simulation-driven size-reduction-oriented design of multi-band antennas by means of response features
    Authors:
    S. Koziel, A. Bekasiewicz
    Academic press:
    IET Microwaves, Antennas & Propagation (rok: 2018, tom: 12, strony: 1093-1098), Wydawca: IET
    Status:
    Published
    DOI:
    10.1049/iet-map.2017.0632 - link to the publication
  51. Multi-objective design optimization of antennas for reflection, size and gain variability using kriging surrogates and generalized domain segmentation
    Authors:
    S. Koziel, A. Bekasiewicz, and S. Szczepanski
    Academic press:
    International Journal of RF and Microwave Computer-Aided Engineering (rok: 2018, tom: 28, strony: e21253), Wydawca: Wiley
    Status:
    Published
    DOI:
    10.1002/mmce.21253 - link to the publication
  1. Rapid dimension scaling of triple-band antennas by means of inverse surrogate modeling
    Authors:
    S. Koziel, A. Bekasiewicz
    Conference:
    IEEE Antennas and Propagation Symposium (rok: 2017, ), Wydawca: IEEE
    Data:
    konferencja July 9-14
    Status:
    Published
  2. Low-cost surrogate modeling for rapid design optimization of antenna structures
    Authors:
    S. Koziel, A. Bekasiewicz
    Conference:
    European Antenna and Propagation Conference (rok: 2017, ), Wydawca: IEEE
    Data:
    konferencja 19-24 March
    Status:
    Published
  3. Multi-objective mixed-integer design optimization of planar inductors using surrogate modeling techniques
    Authors:
    S. Koziel, P. Kurgan, and J.W.Bandler
    Conference:
    IEEE International Microwave Symposium (rok: 2017, ), Wydawca: IEEE
    Data:
    konferencja 4-9 June
    Status:
    Published
  4. Accelerated design optimization of antenna structures using adaptive response scaling
    Authors:
    S. Koziel, S.D. Unnsteinsson
    Conference:
    IEEE Antennas and Propagation Symposium (rok: 2018, ), Wydawca: IEEE
    Data:
    konferencja 8-13 July
    Status:
    Published
  5. A novel dual-band rectifier circuit with enhanced bandwidth for RF energy harvesting applications
    Authors:
    T. Karataev, A. Bekasiewicz, S. Koziel
    Conference:
    MIKON (rok: 2018, ), Wydawca: IEEE
    Data:
    konferencja May 15-17
    Status:
    Published
  6. Novel miniaturized circular polarization antenna with elliptical slots and feed with loaded stubs
    Authors:
    A. Bekasiewicz, S. Koziel, Q.S. Cheng
    Conference:
    European Antenna and Propagation Conference (rok: 2018, ), Wydawca: IEEE
    Data:
    konferencja 9-13 April
    Status:
    Published
  7. Rapid design tuning of miniaturized rat-race couplers using regression-based equivalent network surrogates
    Authors:
    P. Kurgan, S. Koziel, J.W. Bandler
    Conference:
    IEEE Int. Microwave Symposium (rok: 2018, ), Wydawca: IEEE
    Data:
    konferencja June 10-15
    Status:
    Published
  8. Reduced-cost design optimization of high-frequency structures using adaptive Jacobian updates
    Authors:
    S. Koziel, A. Pietrenko-Dabrowska, L. Leifsson
    Conference:
    International Conference on Computational Science (rok: 2019, ), Wydawca: Springer
    Data:
    konferencja 12-14 June, 2019
    Status:
    Published
  9. Reduced-cost gradient-based optimization of compact impedance matching transformers in highly-dimensional parameters spaces
    Authors:
    S. Koziel, A. Pietrenko-Dabrowska
    Conference:
    European Microwave Integrated Circuit Conference (rok: 2019, ), Wydawca: IEEE
    Data:
    konferencja 30 Sept. - 1 Oct.
    Status:
    Published
  10. Expedited two-objective dimension scaling of compact microwave passives using surrogate models
    Authors:
    S. Koziel, A. Bekasiewicz, Q.S. Cheng
    Conference:
    IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization for RF, Microwave, and Terahertz Applications (rok: 2016, ), Wydawca: IEEE
    Data:
    konferencja 27-29 July
    Status:
    Published
  11. Rapid statistical analysis and tolerance-aware design of antennas using response feature surrogates
    Authors:
    S. Koziel, A. Bekasiewicz
    Conference:
    IEEE International Symposium on Antennas and Propagation (rok: 2017, ), Wydawca: IEEE
    Data:
    konferencja 9-14 July
    Status:
    Published
  12. Multi-objective design of compact microwave components with data-driven surrogates and pareto front decomposition
    Authors:
    A. Bekasiewicz, S. Koziel, J.W. Bandler
    Conference:
    NEMO (rok: 2018, ), Wydawca: IEEE
    Data:
    konferencja 8-10 August
    Status:
    Published
  13. Size reduction of multi-band antennas using feature-based optimization
    Authors:
    S. Koziel, A. Bekasiewicz
    Conference:
    Loughborough Antennas and Propagation Conference (rok: 2017, ), Wydawca: IET
    Data:
    konferencja November 13-15
    Status:
    Published
  14. Topological modifications for performance improvement and size reduction of wideband antenna structures
    Authors:
    A. Bekasiewicz, S. Koziel
    Conference:
    MIKON (rok: 2018, ), Wydawca: IEEE
    Data:
    konferencja May 15-17
    Status:
    Published
  15. Comprehensive dimension scaling of multi-band antennas for operating frequencies and substrate parameters
    Authors:
    S. Koziel, A. Bekasiewicz
    Conference:
    MIKON (rok: 2018, ), Wydawca: IEEE
    Data:
    konferencja 15-17 May
    Status:
    Published
  16. A novel microstrip dual-layer rat-race coupler with compact size and enhanced bandwidth
    Authors:
    A. Bekasiewicz, S. Koziel
    Conference:
    MIKON (rok: 2018, ), Wydawca: IEEE
    Data:
    konferencja May 15-17
    Status:
    Published
  17. On feed line modifications for compact wideband antenna design
    Authors:
    M.A. Haq, S. Koziel, Q.S. Cheng
    Conference:
    European Antenna and Propagation Conference (rok: 2018, ), Wydawca: IEEE
    Data:
    konferencja 9-13 April
    Status:
    Published
  18. Surrogate-assisted multi-objective antenna design with equal-compartment-size segmentation
    Authors:
    S. Koziel, A. Bekasiewicz
    Conference:
    Antennas and Propagation Symposium (rok: 2018, ), Wydawca: IEEE
    Data:
    konferencja 8-13 July
    Status:
    Published
  19. Computationally efficient and reliable surrogate modeling of antenna structures using performance-driven nested kriging
    Authors:
    S. Koziel, A. Pietrenko-Dabrowska
    Conference:
    IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO) (rok: 2019, ), Wydawca: IEEE
    Data:
    konferencja 29-31 May
    Status:
    Published
  20. An efficient trust-region algorithm for wideband antenna optimization
    Authors:
    S. Koziel, A. Pietrenko-Dabrowska
    Conference:
    European Antennas and Propagation Conference (rok: 2019, ), Wydawca: IEEE
    Data:
    konferencja 31 March - 5 April
    Status:
    Published
  21. Expedited design optimization of antenna input characteristics using trust-region search with adaptive Jacobian updates
    Authors:
    A. Pietrenko-Dabrowska, S. Koziel
    Conference:
    IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO) (rok: 2019, ), Wydawca: IEEE
    Data:
    konferencja 29-31 May
    Status:
    Published
  22. Patch size setup and performance/cost trade-offs in multi-objective antenna optimization using domain patching technique
    Authors:
    S. Koziel, A. Bekasiewicz, and Q.S. Cheng
    Conference:
    IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization for RF, Microwave, and Terahertz Applications (rok: 2016, ), Wydawca: IEEE
    Data:
    konferencja 27-29 July
    Status:
    Published
  23. Rapid dimension scaling of triple-band antennas by means of inverse surrogate modeling
    Authors:
    S. Koziel, A. Bekasiewicz
    Conference:
    IEEE International Symposium on Antennas and Propagation (rok: 2017, ), Wydawca: IEEE
    Data:
    konferencja 9-14 July
    Status:
    Published
  24. Uniform sampling procedure for constrained surrogate modeling of antenna structures
    Authors:
    S. Koziel, A.T. Sigurdsson
    Conference:
    International Review of Progress in Applied Computational Electromagnetics (rok: 2017, ), Wydawca: ACES
    Data:
    konferencja March 26-30
    Status:
    Published
  25. Statistical analysis and robust design of circularly polarized antennas using sequential approximate optimization
    Authors:
    S. Koziel, A. Bekasiewicz
    Conference:
    MIKON (rok: 2018, ), Wydawca: IEEE
    Data:
    konferencja 15-17 May
    Status:
    Published
  26. Three-objective antenna optimization by means of kriging surrogates and domain segmentation
    Authors:
    S. Koziel, A. Bekasiewicz
    Conference:
    MIKON (rok: 2018, ), Wydawca: IEEE
    Data:
    konferencja 15-17 May
    Status:
    Published
  27. EM-driven topology evolution for bandwidth enhancement of hybrid quadrature patch couplers
    Authors:
    A. Bekasiewicz, S. Koziel
    Conference:
    MIKON (rok: 2018, ), Wydawca: IEEE
    Data:
    konferencja May 15-17
    Status:
    Published
  28. Low-cost multi-objective optimization of antennas by means of generalized Pareto ranking bisection algorithm
    Authors:
    S.D. Unnsteinsson, S. Koziel
    Conference:
    European Antenna and Propagation Conference (rok: 2018, ), Wydawca: IEEE
    Data:
    konferencja 9-13 April
    Status:
    Published
  29. On reduced-cost design optimization of antennas using trust-region gradient search
    Authors:
    A. Pietrenko-Dabrowska, S. Koziel
    Conference:
    International Applied Computational Electromagnetics Society Symposium (ACES) (rok: 2019, ), Wydawca: IEEE
    Data:
    konferencja 14-19 April
    Status:
    Published
  30. Improved uniform sampling in constrained domains for data-driven modelling of antennas
    Authors:
    S. Koziel, A.T. Sigurdsson
    Conference:
    Loughborough Antennas & Propagation Conference (LAPC 2018) (rok: 2018, ), Wydawca: IEEE
    Data:
    konferencja 12-13 Nov.
    Status:
    Published
  31. Accelerated optimization of input characteristics of wideband antennas using improved trust-region gradient search
    Authors:
    S. Koziel
    Conference:
    Loughborough Antennas & Propagation Conference (LAPC 2018) (rok: 2018, ), Wydawca: IEEE
    Data:
    konferencja 12-13 Nov.
    Status:
    Published
  32. Low-cost multi-objective optimization of antennas by means of generalized Pareto ranking bisection algorithm
    Authors:
    S.D. Unnsteinsson, S. Koziel
    Conference:
    European Antenna and Propagation Conference (rok: 2018, ), Wydawca: IEEE
    Data:
    konferencja 9-13 April
    Status:
    Published
  33. A novel dual-band rectifier circuit with enhanced bandwidth for RF energy harvesting applications
    Authors:
    T. Karataev, A. Bekasiewicz, S. Koziel
    Conference:
    MIKON (rok: 2018, ), Wydawca: IEEE
    Data:
    konferencja May 15-17
    Status:
    Published
  34. Rapid dimension scaling of compact microwave couplers with power split correction
    Authors:
    S. Koziel, A. Bekasiewicz, and J.W. Bandler
    Conference:
    European Microwave Conference (rok: 2017, ), Wydawca: IEEE
    Data:
    konferencja 10-12 October
    Status:
    Published
  35. Accurate design-oriented modeling of compact microwave couplers in constrained domains
    Authors:
    S. Koziel, A.T. Sigurdsson, F.V.. Vidarsson
    Conference:
    NEMO (rok: 2018, ), Wydawca: IEEE
    Data:
    konferencja 8-10 August
    Status:
    Published
  36. Reliable EM-driven size reduction of antennas using feasible region boundary search
    Authors:
    D.O. Johannesson, S. Koziel
    Conference:
    Loughborough Antennas and Propagation Conference (rok: 2017, ), Wydawca: IET
    Data:
    konferencja November 13-15
    Status:
    Published
  37. Low-cost simulation-driven design of broadband rectifiers for ambient RF energy harvesting
    Authors:
    A. Bekasiewicz, T. Karataev, S. Koziel
    Conference:
    NEMO (rok: 2018, ), Wydawca: IEEE
    Data:
    konferencja 8-10 August
    Status:
    Published
  38. Reduced-cost gradient-based optimization of compact microwave components through adaptive Broyden updates
    Authors:
    S. Koziel, A. Pietrenko-Dabrowska, J.W. Bandler
    Conference:
    IEEE International Microwave Symposium (rok: 2019, ), Wydawca: IEEE
    Data:
    konferencja 2-7 June
    Status:
    Published
  39. Systematic study of feed line and ground plane modifications for design of miniaturized wideband antennas
    Authors:
    M.A. Haq, S. Koziel, M.A. Khan
    Conference:
    NEMO (rok: 2018, ), Wydawca: IEEE
    Data:
    konferencja 8-10 August
    Status:
    Published
  40. Accelerated antenna optimization using gradient search with selective Broyden updates
    Authors:
    S. Koziel, A. Pietrenko-Dabrowska
    Conference:
    International Symposiom on Antennas and Propagation (rok: 2019, ), Wydawca: IEEE
    Data:
    konferencja 7-12 July
    Status:
    Published
  41. Rapid statistical analysis and tolerance-aware design of antennas by response feature surrogates
    Authors:
    S. Koziel, A. Bekasiewicz
    Conference:
    IEEE Antennas and Propagation Symposium (rok: 2017, ), Wydawca: IEEE
    Data:
    konferencja July 9-14
    Status:
    Published
  42. Rapid dimension scaling of compact microwave couplers with power split correction
    Authors:
    S. Koziel, A. Bekasiewicz, J.W. Bandler
    Conference:
    European Microwave Conference (rok: 2017, ), Wydawca: EuMA
    Data:
    konferencja October 8-13
    Status:
    Published
  43. Cost/performance trade-off of domain segmentation for EM-driven surrogate-assisted multi-objective antenna design
    Authors:
    A. Bekasiewicz, S. Koziel
    Conference:
    Loughborough Antennas and Propagation Conference (rok: 2017, ), Wydawca: IET
    Data:
    konferencja November 13-15
    Status:
    Published
  44. On low-fidelity models for variable-fidelity simulation-driven design optimization of compact wideband antennas
    Authors:
    S. Koziel, S.D. Unnsteinsson, A. Bekasiewicz
    Conference:
    MIKON (rok: 2018, ), Wydawca: IEEE
    Data:
    konferencja 15-17 May
    Status:
    Published
  45. Fast design tuning of linear microstrip antenna array apertures by means of response features
    Authors:
    S. Koziel, S. Ogurtsov
    Conference:
    Antennas and Propagation Symposium (rok: 2018, ), Wydawca: IEEE
    Data:
    konferencja 8-13 July
    Status:
    Published
  46. Design-oriented constrained modeling of antenna structures
    Authors:
    S. Koziel, A.T. Sigurdsson
    Conference:
    European Antenna and Propagation Conference (rok: 2018, ), Wydawca: IEEE
    Data:
    konferencja 9-13 April
    Status:
    Published
  47. A coplanar-strip-based excitation technique for wide 3-dB axial ratio beamwidth and enhanced circular polarization antenna
    Authors:
    U. Ullah, S. Koziel
    Conference:
    European Antennas and Propagation Conference (rok: 2019, ), Wydawca: IEEE
    Data:
    konferencja 31 March - 5 April
    Status:
    Published
  48. A novel isolation improvement technique for wideband MIMO antenna systems
    Authors:
    M.A. Haq, S. Koziel, Q.S. Cheng
    Conference:
    European Antennas and Propagation Conference (rok: 2019, ), Wydawca: IEEE
    Data:
    konferencja 31 March - 5 April
    Status:
    Published

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