Professor Seppo J. Ovaska

Professor

Research outputs

  1. 2019
  2. Accepted/In press

    Ethics vs. loyalty: A young professional's case

    Ovaska, S., Sep 2019, (Accepted/In press) In : IEEE POTENTIALS. 38, 5

    Research output: Contribution to journalArticleProfessional

  3. 2018
  4. Published

    Comparison of converters using LLC and LCCT resonant tanks

    Pridala, M., Frivaldsky, M. & Ovaska, S. J., 26 Jun 2018, Proceedings of the 12th International Conference ELEKTRO (ELEKTRO 2018). Institute of Electrical and Electronics Engineers, p. 1-5 5 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  5. Published

    If I were a student again: My next choice

    Ovaska, S., 2 May 2018, In : IEEE POTENTIALS. 37, 3, p. 41-42 2 p.

    Research output: Contribution to journalArticleProfessional

  6. Published

    Managing your career in a dynamic environment

    Ovaska, S., 2 May 2018, In : IEEE POTENTIALS. 37, 3, p. 24-26 3 p.

    Research output: Contribution to journalArticleProfessional

  7. 2017
  8. Published

    aaltOS for energy harvesting applications: Effects of clock frequency and system tick on power and energy consumption

    Khan, A. A., Ahistus, M., Liukko, T., Lumela, J., Sassi, O. & Ovaska, S., Nov 2017, Proceedings of the 2017 IEEE 14th International Scientific Conference on Informatics, Informatics'2017. Institute of Electrical and Electronics Engineers, p. 168-172 5 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  9. Published

    Comparison of LLC and LCCT converter topologies

    Prídala, M., Frivaldský, M. & Ovaska, S., Nov 2017, Proceedings of the European Conference on Electrical Engineering and Computer Science, EECS 2017. Institute of Electrical and Electronics Engineers, p. 365-369 5 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  10. 2016
  11. Published

    Impact of retrofitted CPU water cooling on supercomputer performance and power consumption

    Ovaska, S., Dragseth, R. & Hanssen, S., 7 Jul 2016, SoutheastCon 2016. Institute of Electrical and Electronics Engineers, Vol. 2016-July. 2 p. 7506669

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  12. Published

    Workshop: Sustainable and energy efficient data centers

    Ovaska, S., 7 Jul 2016, SoutheastCon 2016. Institute of Electrical and Electronics Engineers, Vol. 2016-July. 2 p. 7506675

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  13. Published

    Modeling power flow in computer and server systems

    Malkamäki, T. & Ovaska, S., 21 Jun 2016, Proceedings of the 2nd International Workshop on Energy-Aware Simulation, ENERGY-SIM 2016. 7 p. 2939950

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  14. Published

    Direct-to-chip liquid cooling for reducing power consumption in a subarctic supercomputer centre

    Ovaska, S. J., Dragseth, R. E. & Hanssen, S. A., 2016, In : INTERNATIONAL JOURNAL OF HIGH PERFORMANCE COMPUTING AND NETWORKING. 9, 3, p. 242-249 8 p.

    Research output: Contribution to journalArticleScientificpeer-review

  15. Published

    Towards automation of knowledge understanding: An approach for probabilistic generative classifiers

    Fisch, D., Gruhl, C., Kalkowski, E., Sick, B. & Ovaska, S., 2016, In : Information Sciences. 370-371, p. 476-496 21 p.

    Research output: Contribution to journalArticleScientificpeer-review

  16. 2015
  17. Published

    Analytical model of data center infrastructure efficiency for system level simulations

    Malkamäki, T. & Ovaska, S. J., 2015, 8th International Conference on Simulation Tools and Techniques, Athens, Greece, August 24-26, 2015. Brussels, Belgium: ICST (Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering), p. 319-325

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  18. Published

    Design of an energy management scheme for a series-hybrid powertrain in heavy-duty vehicle applications

    Liukkonen, M., Suomela, J. & Ovaska, S. J., 2015, In : International Journal of Powertrains. 4, 1, p. 53-70

    Research output: Contribution to journalArticleScientificpeer-review

  19. 2014
  20. Published

    A hybrid optimization method based on differential evolution and harmony search

    Gao, X., Wang, X., Ovaska, S. J. & Zenger, K., 2014, In : International Journal of Computational Intelligence and Applications. 13, 1, p. 1-23

    Research output: Contribution to journalArticleScientificpeer-review

  21. Published

    Sensitivity analysis for the design of an energy management scheme of supercapacitor buffereing in a regulated DC bus

    Liukkonen, M., Ovaska, S. J. & Kyyrä, J., 2014, The 16th European Conference on Power Electronics and Applications (EPE'14-ECCE), Lappeenranta, Finland, August 26-28, 2014. IEEE, p. 1-8 8 p. (European Conference on Power Electronics and Applications).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  22. 2013
  23. Published

    Modeling of multiport DC busses in power-electronic systems

    Liukkonen, M., Hinkkanen, M., Kyyrä, J. & Ovaska, S. J., 25 Feb 2013, The IEEE International Conference on Industrial Technology (ICIT 2013). Cape Town, South Africa: IEEE, p. 740-745 6 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  24. Published

    Modelling of parasitic inductances of a high precision inductive adder for CLIC

    Holma, J., Barnes, M. J. & Ovaska, S. J., 2013, The 4th International Particle Accelerator Conference (IPAC'13), Shanghai, China, May 12-17, 2013. p. 738-740

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  25. 2012
  26. Published

    Computationally Intelligent Hybrid Systems: The Fusion of Soft Computing and Hard Computing

    Ovaska, S. J. (ed.), 8 Jun 2012, Wiley. 408 p.

    Research output: Book/ReportAnthologyScientificpeer-review

  27. Published

    Predictive Filtering Methods for Power Systems Applications

    Ovaska, S. J., 8 Jun 2012, Computationally Intelligent Hybrid Systems: The Fusion of Soft Computing and Hard Computing. Wiley, p. 203-240 38 p.

    Research output: Chapter in Book/Report/Conference proceedingChapterScientificpeer-review

  28. Published

    A discrete optimization problem for benchmarking heuristic algorithms targeted for digital filter design

    Ovaska, S. J. & Shilane, D. A., 2012, In : International Journal of Computers and their Applications. 19, 3, p. 176-186

    Research output: Contribution to journalArticleScientificpeer-review

  29. Published

    A hybrid optimization method for wind generator design

    Gao, X. Z., Wang, X., Jokinen, T., Ovaska, S. J., Arkkio, A. & Zenger, K., 2012, In : INTERNATIONAL JOURNAL OF INNOVATIVE COMPUTING, INFORMATION AND CONTROL. 8, 6, p. 4347-4373

    Research output: Contribution to journalArticleScientificpeer-review

  30. Published

    A hybrid optimization method of harmony search and opposition-based learning

    Gao, X. Z., Wang, X., Ovaska, S. J. & Zenger, K., 2012, In : Engineering Optimization. 44, 8, p. 895-914

    Research output: Contribution to journalArticleScientificpeer-review

  31. Published

    A hybrid PBIL-based harmony search method

    Gao, X. Z., Wang, X., Jokinen, T., Ovaska, S. J., Arkkio, A. & Zenger, K., 2012, In : Neural Computing and Applications. 21, 5, p. 1071-1083

    Research output: Contribution to journalArticleScientificpeer-review

  32. Published

    Current reference generator for single-phase shunt active power filters based on MGP-FIR

    Talla, J., Peroutka, Z., Ovaska, S. J. & Blahnik, V., 2012, The 38th Annual International Conference of the IEEE Industrial Electronics Society (IECON-12), Montreal, Canada, October 25-28, 2012. p. 1268-1273 (IEEE Industrial Electronics Society).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  33. Published

    Data centers and energy balance in Finland

    Malkamäki, T. & Ovaska, S. J., 2012, The 1st International Workshop on Power Grid-Friendly Computing (PGFC 2012), San Jose, CA, June 5-8, 2012.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  34. Published

    Genetic algorithm based optimization of MGP-FIR current reference generator for active power filters

    Talla, J., Peroutka, Z., Ovaska, S. J. & Stehlik, J., 2012, The 7th International Conference on Soft Computing Models in Industrial and Environmental Applications (SOCO 2012), Ostrava, Czech Republic, September 5-7, 2012. p. 429-438 (Advances in Intelligent Systems and Computing).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  35. Published

    Solar energy and free cooling potential in European data centers

    Malkamäki, T. & Ovaska, S. J., 2012, In : PROCEDIA COMPUTER SCIENCE. 10, p. 1004-1009

    Research output: Contribution to journalArticleScientificpeer-review

  36. 2011
  37. Published

    A discussion on Finland’s dual higher education vis-à-vis Japan’s technical colleges

    Kamiya, A. & Ovaska, S. J., 2011, The 59th JSEE Annual Conference & Exposition (JSEE 2011), Sapporo, Japan, September 8-10, 2011. p. 56-59

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  38. Published

    A negative selection algorithm-based motor fault detection scheme

    Gao, X. Z., Wang, X., Ovaska, S. J., Arkkio, A. & Zenger, K., 2011, The 7th International Conference on Natural Computation (ICNC 2011), Shanghai, China, July 26-28, 2011. p. 1583-1587

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  39. Published

    Developments of dual higher education in Finland and technical college education in Japan

    Kamiya, A. & Ovaska, S. J., 2011, In : JOURNAL OF THE JAPANESE SOCIETY FOR ENGINEERING EDUCATION. 59, 2, p. 34-40

    Research output: Contribution to journalReview ArticleScientificpeer-review

  40. Published

    In your interest: Objective interestingness measures for a generative classifier

    Fisch, D., Kalkowski, E., Sick, B. & Ovaska, S. J., 2011, The 3rd International Conference on Agents and Artificial Intelligence (ICAART 2011), Rome, Italy, January 28-30, 2011. Rome, Italy, p. 414-423

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  41. Published

    Optimal state estimation for improved power measurements and model verification: Theory

    Malkamäki, T. & Ovaska, S. J., 2011, The 1st International Workshop on Power Measurement and Profiling (PMP 2011), Orlando, FL, July 25-28, 2011.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  42. Published

    Preliminary design of the pulse generator for the CLIC DR extraction system

    Holma, J., Barnes, M. J. & Ovaska, S. J., 2011, The 18th IEEE Pulsed Power Conference (PPC 2011), Chicago, IL, June 19-23, 2011.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  43. Published

    Real-Time Systems Design and Analysis: Tools for the Practitioner

    Laplante, P. A. & Ovaska, S. J., 2011, 4th ed. ed. Hoboken, NJ. 560 p.

    Research output: Book/ReportBookProfessional

  44. 2010
  45. Published

    A harmony search-based differential evolution method

    Gao, X-Z., Wang, X. & Ovaska, S., 2010, 13th IEEE International Conference on Computational Science and Engineering, Hong Kong, China, December 2010. Hong Kong, China, p. 333-339

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  46. Published

    A hybrid harmony search method based on OBL

    Gao, X-Z., Wang, X. & Ovaska, S., 2010, 13th IEEE International Conference on Computational Science and Engineering, Hong Kong, China, December 2010. Hong Kong, China, p. 140-145

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  47. Published

    A hybrid PBIL-based harmony search method with application in wind generator optimization

    Gao, X-Z., Jokinen, T., Wang, X., Arkkio, A. & Ovaska, S., 2010, 2nd World Congress on Nature and Biologically Inspired Computing, Kitakyushu, Japan, December 2010. Machine Intelligence Research Labs, p. 268-274

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  48. Published

    A modified harmony search method in constrained optimization

    Gao, X. Z., Wang, X., Ovaska, S. J. & Xu, H., 2010, In : INTERNATIONAL JOURNAL OF INNOVATIVE COMPUTING INFORMATION AND CONTROL. 6, 9, p. 4235-4247

    Research output: Contribution to journalArticleScientificpeer-review

  49. Published

    A new harmony search method in optimal wind generator design

    Gao, X-Z., Jokinen, T., Wang, X., Ovaska, S. & Arkkio, A., 2010, The XIX International Conference on Electrical Machines, Rome, Italy, September 6-8, 2010. p. 6

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  50. Published

    A simplified linguistic information feedback-based dynamical fuzzy system

    Gao, X. Z., Ovaska, S. J. & Wang, X., 2010, In : Neural Computing and Applications. 19, 7, p. 1029-1041

    Research output: Contribution to journalArticleScientificpeer-review

  51. Published

    Current reference generator for 50-Hz and 16.7-Hz shunt active power filters

    Komrska, T., Žák, J., Ovaska, S. J. & Peroutka, Z., 2010, In : International Journal of Electronics. 97, 1, p. 63-81

    Research output: Contribution to journalArticleScientificpeer-review

  52. Published

    Multi-level optimization of negative selection algorithm detectors with application in motor fault detection

    Gao, X. Z., Ovaska, S. J., Wang, X. & Chow, M-Y., 2010, In : Intelligent Automation and Soft Computing. 16, 3, p. 353-375

    Research output: Contribution to journalArticleScientificpeer-review

  53. Published

    So near and yet so far: New insight into properties of some well-known classifier paradigms

    Fisch, D., Kühbeck, B., Sick, B. & Ovaska, S. J., 2010, In : Information Sciences. 180, 18, p. 3381-3401

    Research output: Contribution to journalArticleScientificpeer-review

  54. 2009
  55. Published

    Active power filter for traction applications with first harmonic adaptive estimation

    Komrska, T., Zak, J., Peroutka, Z. & Ovaska, S., 2009, the 31st Conference of Electric Drives (ELPO 2009), Pilsen, Czech Republic, June 16-18, 2009.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  56. Published

    A hybrid artificial immune optimization method

    Wang, X., Gao, X. & Ovaska, S., 2009, In : International Journal of Computational Intelligence Systems. 2, 3, p. 249-256

    Research output: Contribution to journalArticleScientificpeer-review

  57. Published

    A linguistic information feed-back-based dynamical fuzzy system (LIFBDFS) with learning algorithm

    Gao, X., Ovaska, S. J. & Wang, X., 2009, In : Neural Computing & Applications. 18, 4, p. 321-329

    Research output: Contribution to journalArticleScientificpeer-review

  58. Published

    Clonal optimization-based negative selection algorithm with applications in motor fault detection

    Gao, X., Ovaska, S., Wang, X. & Chow, M-Y., 2009, In : Neural Computing & Applications. 18, 7, p. 719-729

    Research output: Contribution to journalArticleScientificpeer-review

  59. Published

    Fusion of clonal selection algorithm and harmony search method in optimisation of fuzzy classification systems

    Wang, X., Gao, X. & Ovaska, S., 2009, In : International Journal of Bio-Inspired Computation. 1, 1-2, p. 80-88

    Research output: Contribution to journalArticleScientificpeer-review

  60. Published

    Fusion of clonal selection algorithm differential evolution method in training casade-correlation neural network

    Gao, X., Wang, X. & Ovaska, S., 2009, In : Neurocomputing. 72, 10-12, p. 2483-2490

    Research output: Contribution to journalArticleScientificpeer-review

  61. Published

    Harmony search methods for multi-modal and constrained optimization

    Gao, X., Wang, X. & Ovaska, S., 2009, Music-Inspired Harmony Search Algorithm. Ed.Heidelberg, G. (ed.). Heidelberg, Germany, p. 39-51

    Research output: Chapter in Book/Report/Conference proceedingChapterScientificpeer-review

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