• 512 Citations
  • 10 h-Index
1991 …2019
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Research Output 1991 2019

  • 512 Citations
  • 10 h-Index
  • 59 Article
  • 22 Conference contribution
  • 1 Review article
2019
4 Citations (Scopus)

Review of soft computing models in design and control of rotating electrical machines

Dineva, A., Mosavi, A., Ardabili, S. F., Vajda, I., Shamshirband, S., Rabczuk, T. & Chau, K. W., Mar 18 2019, In : Energies. 12, 6, 1049.

Research output: Contribution to journalReview article

Open Access
Electrical Machines
Soft computing
Soft Computing
Rotating
Energy
2018

High Precision Test System for the Investigation of the Condition of Lithium-ion Batteries

Dineva, A., Ferko, K., Szekely, M., Gyoker, G. & Vajda, I., Nov 1 2018, 2018 International Symposium on Fundamentals of Electrical Engineering, ISFEE 2018. Institute of Electrical and Electronics Engineers Inc., 8742422. (2018 International Symposium on Fundamentals of Electrical Engineering, ISFEE 2018).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Lithium-ion Battery
Test System
Lithium
Battery
electric batteries
2 Citations (Scopus)

Influence of design methods a discrete model of separately excited DC motor on parameters estimation

Vajda, I., Glazyrin, A., Ustinova, I. & Bolovin, E., Jan 1 2018, In : Acta Polytechnica Hungarica. 15, 6, p. 219-233 15 p.

Research output: Contribution to journalArticle

DC motors
Parameter estimation
Difference equations
Electric drives
Linear equations

Interval type-2 fuzzy system in personalized driving cycle forecasting

Dineva, A., Tusor, B. & Vajda, I., Jul 27 2018, Mathematical Methods and Computational Techniques in Science and Engineering II. American Institute of Physics Inc., Vol. 1982. 020027

Research output: Chapter in Book/Report/Conference proceedingConference contribution

fuzzy systems
forecasting
intervals
cycles
fuzzy sets
1 Citation (Scopus)

Optimal design of electrical machines: State of the art survey

Baranyai, M., Mosavi, A., Vajda, I. & Várkonyi-Kóczy, A., Jan 1 2018, Recent Advances in Technology Research and Education - Proceedings of the 16th International Conference on Global Research and Education Inter-Academia 2017. Springer Verlag, p. 209-216 8 p. (Advances in Intelligent Systems and Computing; vol. 660).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Machine design
Decision theory
Multiobjective optimization
Energy efficiency
Energy conservation
2017
3 Citations (Scopus)

Gearless micro hydropower plant for small water-course

Dementyev, Y., Kuzmin, R., Serikov, A., Suzdorf, V., Negodin, K. & Vajda, I., Jan 1 2017, In : Acta Polytechnica Hungarica. 14, 4, p. 155-166 12 p.

Research output: Contribution to journalArticle

Water
Axial flow
Electric arcs
Electric power systems
Turbines
2 Citations (Scopus)

Limiting static and dynamic characteristics of an induction motor under frequency vector control

Vajda, I., Dementyev, Y. N., Negodin, K. N., Kojain, N. V., Udut, L. S. & Chesnokova, I. A., Jan 1 2017, In : Acta Polytechnica Hungarica. 14, 6, p. 7-27 21 p.

Research output: Contribution to journalArticle

Induction motors
Electric potential
Frequency converters
Electric drives
Angular velocity

Study of microstructure and electrical properties of Y123 cylinders prepared by melt textured growth technique

Gonal, M. R., Maji, B. C., Krishnan, M., Pallavi, I., Gyore, A. & Vajda, I., May 19 2017, DAE Solid State Physics Symposium 2016. American Institute of Physics Inc., Vol. 1832. 130010

Research output: Chapter in Book/Report/Conference proceedingConference contribution

electrical properties
microstructure
composite materials
textures
electron probes
2016

A hybrid method for cogging torque calculation for mass produced permanent magnet machines

Jagasics, S. & Vajda, I., Jan 13 2016, CINTI 2015 - 16th IEEE International Symposium on Computational Intelligence and Informatics, Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 187-191 5 p. 7382920

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Permanent magnets
Torque
Automotive industry
Robotics
Air
3 Citations (Scopus)

Cogging torque reduction by magnet pole pairing technique

Jagasics, S. & Vajda, I., 2016, In : Acta Polytechnica Hungarica. 13, 4, p. 107-120 14 p.

Research output: Contribution to journalArticle

Magnets
Poles
Torque
Permanent magnets
2015

Analysing the characteristics of specific torque in HTS quasi-diamagnetic motor by variation of rotor blade geometry

Vajda, I., Semperger, S. & Baranyai, M., Aug 31 2015, Proceedings - 2015 9th International Conference on Compatibility and Power Electronics, CPE 2015. Institute of Electrical and Electronics Engineers Inc., p. 230-233 4 p. 7231078

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Turbomachine blades
Torque
Rotors
Geometry
Stators

Comparison of different PMSM rotor configurations

Jagasics, S. & Vajda, I., Mar 6 2015, 2014 IEEE International Electric Vehicle Conference, IEVC 2014. Institute of Electrical and Electronics Engineers Inc., 7056196

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Rotors
Stators
Computer systems
Finite element method

Magnet leakage flux of axial flux PM synchronous machines for EV

Kiss, G. M. & Vajda, I., Mar 6 2015, 2014 IEEE International Electric Vehicle Conference, IEVC 2014. Institute of Electrical and Electronics Engineers Inc., 7056206

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric vehicles
Magnets
Fluxes
Permanent magnets

Study of microstructure and electrical properties of bulk YBCO prepared by melt textured growth technique

Gonal, M. R., Krishnan, M., Tewari, R., Tyagi, A. K., Gyore, A. & Vajda, I., Jun 24 2015, Solid State Physics: Proceedings of the 59th DAE Solid State Physics Symposium 2014. Chitra, R., Sahoo, N. K. & Bhattacharyya, D. (eds.). American Institute of Physics Inc., 130027. (AIP Conference Proceedings; vol. 1665).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

electrical properties
microstructure
textures
electron probes
pressing
2014
5 Citations (Scopus)

Core-form transformer design optimization with branch and bound search and geometric programming

Orosz, T., Sleisz, A. & Vajda, I., Dec 24 2014, 2014 55th International Scientific Conference on Power and Electrical Engineering of Riga Technical University, RTUCON 2014. Institute of Electrical and Electronics Engineers Inc., p. 17-21 5 p. 6998194

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Power transformers
Short circuit currents
Design optimization

Green energy from road vehicle shock absorber

Zádor, I., Török, Á., Rácz, P. & Vajda, I., 2014, Materials Science Forum. Trans Tech Publications Ltd, Vol. 792. p. 287-292 6 p. (Materials Science Forum; vol. 792).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

shock absorbers
Shock absorbers
roads
Suspensions
vehicles
1 Citation (Scopus)

Investigation of a Quasi-Diamagnetic Machine Based on High-Temperature Superconductor-Based Rotor

Racz, A., Hadur, A. & Vajda, I., 2014, In : Journal of Superconductivity and Novel Magnetism. 28, 2, p. 663-665 3 p.

Research output: Contribution to journalArticle

High temperature superconductors
high temperature superconductors
rotors
Poles
Rotors
3 Citations (Scopus)

Modeling the high frequency behavior of the Rogowski-coil passive L/r integrator current transducer with analytical and finite element method

Orosz, T., Tamus, Z. A. & Vajda, I., Oct 22 2014, Proceedings of the Universities Power Engineering Conference. IEEE Computer Society, 6934663

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Transducers
Finite element method
Capacitance
Analytical models
Bandwidth
1 Citation (Scopus)

Numerical evaluation of a novel high-temperature superconductor-based quasi-diamagnetic motor

Racz, A. & Vajda, I., 2014, In : Journal of Physics: Conference Series. 507, PART 4, 042034.

Research output: Contribution to journalArticle

high temperature superconductors
evaluation
electric power
economics
engineering
2012

Joint operation of a solar station and a superconducting kinetic energy storage device

Sokolovsky, V., Meerovich, V., Goren, S., Chubraeva, L. & Vajda, I., 2012, Materials Science Forum. Vol. 721. p. 263-268 6 p. (Materials Science Forum; vol. 721).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

flywheels
Flywheels
renewable energy
energy sources
energy storage

Novel application of the perfect closed superconducting loop made of HTS wire

Kosa, J. & Vajda, I., 2012, Materials Science Forum. Vol. 721. p. 15-20 6 p. (Materials Science Forum; vol. 721).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Fault current limiters
Superconducting wire
wire
Wire
transformers
7 Citations (Scopus)

Spark plasma synthesis and sintering of superconducting MgB 2-based Materials

Prikhna, T., Noudem, J., Gawalek, W., Mamalis, A., Soldatov, A., Savchuk, Y., Moshchil, V., Eisterer, M., Weber, H. W., Dub, S., Habisreuther, T., Dellith, J., You, S., Schmidt, C., Karau, F., Dittrich, U., Vajda, I., Sergienko, N., Sokolovsky, V., Litzkendorf, D. & 3 others, Chaud, X., Sverdun, V. & Kuznietsov, R., 2012, Materials Science Forum. Vol. 721. p. 3-8 6 p. (Materials Science Forum; vol. 721).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

borides
sparks
Electric sparks
sintering
Sintering
2011
10 Citations (Scopus)

Novel 3-phase self-limiting transformer with magnetic flux applied by perfect closed YBCO wire loops

Kosa, J. & Vajda, I., Jun 2011, In : IEEE Transactions on Applied Superconductivity. 21, 3 PART 2, p. 1388-1392 5 p., 5643155.

Research output: Contribution to journalArticle

Magnetic flux
transformers
magnetic flux
coils
wire
2 Citations (Scopus)

Novel self-limiting transformer with active magnetic short circuit using perfect YBCO wire loops

Kosa, J., Vajda, I. & Kovacs, L., Jun 2011, In : IEEE Transactions on Applied Superconductivity. 21, 3 PART 2, p. 1417-1421 5 p., 5699371.

Research output: Contribution to journalArticle

short circuits
transformers
Short circuit currents
wire
Wire
1 Citation (Scopus)

Oscillation control over light duty cars using magnetic semi-active shock absorbers

Zador, I., Török, Á., Vajda, I. & Palkovics, L., Sep 1 2011, In : Transport. 26, 3, p. 284-289 6 p.

Research output: Contribution to journalArticle

Vehicle suspensions
Shock absorbers
Software design
Security systems
Railroad cars
3 Citations (Scopus)

Slimformer - Self-limiting transformer pre-prototype and pilot plant design, construction, and tests

Vajda, I., Hyde, A., Gyore, A., Nador, G., Trollier, T., Sailer, B. & Bohm, R., Jun 2011, In : IEEE Transactions on Applied Superconductivity. 21, 3 PART 2, p. 1298-1302 5 p., 5721755.

Research output: Contribution to journalArticle

plant design
pilot plants
Pilot plants
transformers
High temperature superconductors
2010
10 Citations (Scopus)

Application possibilities with continuous YBCO loops made of HTS wire

Kosa, J., Vajda, I. & Gyore, A., 2010, In : Journal of Physics: Conference Series. 234, PART 3, 032030.

Research output: Contribution to journalArticle

wire
transformers
twisting
tapes
alternating current
3 Citations (Scopus)

Fault current limiter with novel arrangement of perfect YBCO loops made of HTS wire

Kosa, J., Vajda, I., Gyore, A. & Kohari, Z., 2010, Proceedings of EPE-PEMC 2010 - 14th International Power Electronics and Motion Control Conference. 5606532

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Fault current limiters
Wire
Electric fault currents
Experiments
2009
2 Citations (Scopus)

Experimental determination of optimal construction of current limiting transformers using HTS tapes and rings

Gyore, A., Vajda, I., Meerovich, V. & Sokolovsky, V., Jun 2009, In : IEEE Transactions on Applied Superconductivity. 19, 3, p. 1976-1980 5 p., 5109534.

Research output: Contribution to journalArticle

Fault current limiters
transformers
Short circuit currents
Tapes
tapes
10 Citations (Scopus)

Losses in superconductors under Non-Sinusoidal currents and magnetic fields

Sokolovsky, V., Meerovich, V., Spektor, M., Levin, G. A. & Vajda, I., Jun 2009, In : IEEE Transactions on Applied Superconductivity. 19, 3, p. 3344-3347 4 p., 5153272.

Research output: Contribution to journalArticle

Superconducting materials
Magnetic fields
harmonics
alternating current
magnetic fields
5 Citations (Scopus)

Multiphysical finite element modeling of inductive type fault current limiters and self limiting transformers

Tihanyi, V., Gyore, A. & Vajda, I., Jun 2009, In : IEEE Transactions on Applied Superconductivity. 19, 3, p. 1922-1925 4 p., 5067180.

Research output: Contribution to journalArticle

Fault current limiters
transformers
two dimensional models
inhomogeneity
flux density
9 Citations (Scopus)

Qualification of the machining and fitting precision of YBCO bulks and rings joined together via the examination of the trapped flux

Kosa, J., Vajda, I. & Farkas, L., Jun 2009, In : IEEE Transactions on Applied Superconductivity. 19, 3, p. 2183-2185 3 p., 5067132.

Research output: Contribution to journalArticle

qualifications
machining
Machining
examination
Fluxes
11 Citations (Scopus)

Transformation of the DC and AC magnetic field with novel application of the YBCO HTS ring

Kosa, J. & Vajda, I., Jun 2009, In : IEEE Transactions on Applied Superconductivity. 19, 3, p. 2186-2189 4 p., 5109535.

Research output: Contribution to journalArticle

alternating current
direct current
Magnetic fields
rings
Iron
2008
3 Citations (Scopus)

Magnetization of YBCO bulks with permanent magnets and hybrid magnetizer

János, K., Vajda, I. & Prikhna, T., May 2008, In : Journal of Optoelectronics and Advanced Materials. 10, 5, p. 1005-1010 6 p.

Research output: Contribution to journalArticle

Magnetic circuits
permanent magnets
Permanent magnets
Poles
Magnetization
3 Citations (Scopus)

Oxygenation of bulk and thin-walled MT-YBCO under controllable oxygen pressure

Prikhna, T. A., Chaud, X., Gawalek, W., Joulain, A., Savchuk, Y. M., Sergienko, N. V., Moshchil, V. E., Habisreuther, T., Rabier, J., Dub, S. N., Melnikov, V. S., Litzkendorf, D., Nagorny, P. A., Bierlich, J., Sverdun, V. B., Vajda, I. & Kósa, J., Feb 1 2008, In : Journal of Physics: Conference Series. 97, 1, 012023.

Research output: Contribution to journalArticle

oxygenation
critical current
oxygen
microcracks
crystal defects
2007
5 Citations (Scopus)

Comparison of a self-limiting transformer and a transformer type FCL with HTS elements

Sokolovsky, V., Meerovich, V. & Vajda, I., Jun 2007, In : IEEE Transactions on Applied Superconductivity. 17, 2, p. 1911-1914 4 p.

Research output: Contribution to journalArticle

transformers
Superconducting fault current limiters
Magnetic couplings
Power transformers
Limiters
14 Citations (Scopus)

Environmentally friendly machining of ceramic based YBCO bulk superconductor

Kósa, J. & Vajda, I., Jan 1 2007, In : Journal of Materials Processing Technology. 181, 1-3 SPEC. ISS., p. 48-51 4 p.

Research output: Contribution to journalArticle

Brittleness
Superconducting materials
Machining
Hardness
6 Citations (Scopus)

Experimental analysis of different type HTS rings in Fault Current Limiter

Gyore, A., Semperger, S., Tihanyi, V., Vajda, I., Gonal, M. R., Muthe, K. P., Kashyap, S. C. & Pandya, D. K., Jun 2007, In : IEEE Transactions on Applied Superconductivity. 17, 2, p. 1899-1902 4 p.

Research output: Contribution to journalArticle

Fault current limiters
Superconducting fault current limiters
Magnetic cores
magnetic cores
rings
2 Citations (Scopus)

Influence of some metallic additives on the flux trapping ability of high temperature superconducting ceramics

Szalay, A., Horvath, D., Vajda, I., Mamalis, A. G. & Harnois, C., Jan 1 2007, In : Journal of Materials Processing Technology. 181, 1-3 SPEC. ISS., p. 36-39 4 p.

Research output: Contribution to journalArticle

Flux pinning
Magnetization
Superconducting magnets
Magnetic fields
Permanent magnets
4 Citations (Scopus)

Intelligent mathematics assessment in eMax

György, A. & Vajda, I., 2007, IEEE AFRICON Conference. 4401512

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Students
Distance education
Knowledge management
Learning systems
Innovation
9 Citations (Scopus)

Investigation of high temperature superconducting self-limiting transformer with YBCO cylinder

Vajda, I., Gyore, A., Semperger, S., Baker, A. E., Chong, E. F. H., Mumford, F. J., Meerovich, V. & Sokolovsky, V., Jun 2007, In : IEEE Transactions on Applied Superconductivity. 17, 2, p. 1887-1890 4 p.

Research output: Contribution to journalArticle

transformers
Superconducting cables
Copper
Fault current limiters
Short circuit currents
5 Citations (Scopus)

Transient stability of a power system with superconducting fault current limiters

Sokolovsky, V., Meerovich, V., Györe, A. & Vajda, I., 2007, In : Periodica Polytechnica, Electrical Engineering. 51, 1-2, p. 3-9 7 p.

Research output: Contribution to journalArticle

Superconducting fault current limiters
Fault current limiters
Electric machinery
Limiters
Electrodynamics
2006
126 Citations (Scopus)

Provably Secure On-Demand Source Routing in Mobile Ad Hoc Networks

Ács, G., Buttyán, L. & Vajda, I., 2006, In : IEEE Transactions on Mobile Computing. 5, 11, p. 1533-1546 14 p.

Research output: Contribution to journalArticle

Mobile ad hoc networks
Routing protocols
Network protocols
Ad hoc networks
Defects
1 Citation (Scopus)

System investigation of high temperature superconducting self-limiting transformer

Györe, A., Péter, G. & Vajda, I., Jun 1 2006, In : Journal of Physics: Conference Series. 43, 1, p. 966-970 5 p., 236.

Research output: Contribution to journalArticle

transformers
limbs
short circuit currents
electric power
iron
2005
19 Citations (Scopus)

Improvement of functionality and reliability by inductive HTS Fault Current Limiter units

Gyore, A., Semperger, S., Farkas, L. & Vajda, I., Jun 2005, In : IEEE Transactions on Applied Superconductivity. 15, 2 PART II, p. 2086-2089 4 p.

Research output: Contribution to journalArticle

Fault current limiters
transformers
Magnetic cores
magnetic cores
Superconducting fault current limiters
12 Citations (Scopus)

Losses of flywheel energy storages and joint operation with solar cells

Kohari, Z. & Vajda, I., Apr 10 2005, In : Journal of Materials Processing Technology. 161, 1-2 SPEC. ISS., p. 62-65 4 p.

Research output: Contribution to journalArticle

Flywheels
Bearings (structural)
Energy storage
Solar cells
High temperature superconductors
3 Citations (Scopus)

Loss evaluation and simulation of superconducting magnetic bearings

Kohari, Z., Tihanyi, V. & Vajda, I., Jun 2005, In : IEEE Transactions on Applied Superconductivity. 15, 2 PART II, p. 2328-2331 4 p.

Research output: Contribution to journalArticle

magnetic bearings
Magnetic bearings
Bearings (structural)
Superconducting materials
evaluation
4 Citations (Scopus)

Series and parallel connections of inductive high-temperature superconducting fault current limiters

Györe, A., Farkas, L. & Vajda, I., Feb 2005, In : Superconductor Science and Technology. 18, 2

Research output: Contribution to journalArticle

Superconducting fault current limiters
topology
Topology
impedance
Electric fault currents
5 Citations (Scopus)
Ceramic superconductors
Fault current limiters
Magnetic properties
Electric properties
Thermodynamic properties
2 Citations (Scopus)
Bearings (structural)
magnetic bearings
Magnetic bearings
Poles
poles