Research Output

2010

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

6 Citations (Scopus)

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

9 Citations (Scopus)

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

1 Citation (Scopus)

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

12 Citations (Scopus)

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

18 Citations (Scopus)

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

1 Citation (Scopus)

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

15 Citations (Scopus)

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

11 Citations (Scopus)

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

22 Citations (Scopus)
2011

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

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

3 Citations (Scopus)

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

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

10 Citations (Scopus)

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

1 Citation (Scopus)

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

12 Citations (Scopus)

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

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

Research output: Book/ReportBookProfessional

55 Citations (Scopus)
2012

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

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

29 Citations (Scopus)

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

43 Citations (Scopus)

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

17 Citations (Scopus)

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

2 Citations (Scopus)

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

11 Citations (Scopus)

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

3 Citations (Scopus)

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

3 Citations (Scopus)

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

2 Citations (Scopus)

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

Open Access
File
12 Citations (Scopus)
123 Downloads (Pure)
2013

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

Open Access
File
7 Citations (Scopus)
164 Downloads (Pure)

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

10 Citations (Scopus)
2014

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

3 Citations (Scopus)

Current measurement and short-circuit protection of an IGBT based on module parasitics

Oinonen, M., Laitinen, M. & Kyyrä, J., 2014, 15th European Conference on Power Electronics and Applications (EPE EEC 2014), Lappeenranta, Finland, August 25-8, 2014. Lappeenranta: European Power Electronics Society, p. 1-9 9 p. (European Conference on Power Electronics and Applications).

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

16 Citations (Scopus)

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

3 Citations (Scopus)
2015

A direct three-phase to single-phase AC/AC converter for contactless electric vehicle charger

Kusumah, F. P., Vuorsalo, S. & Kyyrä, J., 2015, 17th European Conference on Power Electronics and Applications (EPE'15 ECCE-Europe), Geneva, 8-10 September 2015. IEEE, p. 1-10

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

8 Citations (Scopus)

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

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

Optimizing energy cost via battery sizing in residential PV/battery systems

Doroudchi, E., Pal, S. K., Lehtonen, M. & Kyyrä, J., Nov 2015, Proceedings of the 2015 IEEE Innovative Smart Grid Technologies - Asia, ISGT ASIA 2015. IEEE, 7387155

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

5 Citations (Scopus)
2016

Battery energy storage effect on AC/DC microgrids efficiency

Doroudchi, E., Kyyrä, J. & Lehtonen, M., 25 Oct 2016, Proceedings of the 2016 18th European Conference on Power Electronics and Applications, EPE 2016 ECCE Europe. IEEE, 7695659. (European Conference on Power Electronics and Applications).

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

2 Citations (Scopus)

Components selection of a direct three-phase to single-phase AC/AC converter for a contactless electric vehicle charger

Kusumah, F. P., Vuorsalo, S. & Kyyrä, J., 25 Oct 2016, Proceedings of the 2016 18th European Conference on Power Electronics and Applications, EPE 2016 ECCE Europe. IEEE, 7695411. (European Conference on Power Electronics and Applications).

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

6 Citations (Scopus)

Demand response control of a townhouse thermal storage by greedy variable neighborhood algorithm

Doroudchi, E., Lehtonen, M. & Kyyrä, J., 2016, In : International Review of Electrical Engineering. 11, 6, p. 654-662 9 p.

Research output: Contribution to journalArticleScientificpeer-review

3 Citations (Scopus)

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

Open Access
File
4 Citations (Scopus)
119 Downloads (Pure)

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

Ovaska, S., Dragseth, R. & Hanssen, S., 7 Jul 2016, SoutheastCon 2016. IEEE, Vol. 2016-July. 2 p. 7506669

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

2 Citations (Scopus)

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. ACM, 7 p. 2939950

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

1 Citation (Scopus)

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

3 Citations (Scopus)

Workshop: Sustainable and energy efficient data centers

Ovaska, S., 7 Jul 2016, SoutheastCon 2016. IEEE, Vol. 2016-July. 2 p. 7506675

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

1 Citation (Scopus)
2017

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. IEEE, p. 168-172 5 p.

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

A zero-crossing approximation of a distorted sinusoidal signal using analog circuit

Kusumah, F. P. & Kyyrä, J., 18 Dec 2017, Proceedings of the 43rd Annual Conference of the IEEE Industrial Electronics Society, IECON 2017. IEEE, p. 732-737 6 p. (Proceedings of the Annual Conference of the IEEE Industrial Electronics Society).

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

Open Access
File
115 Downloads (Pure)

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. IEEE, p. 365-369 5 p.

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

Minimizing coil power loss in a direct AC/AC converter-based contactless electric vehicle charger

Kusumah, F. P. & Kyyrä, J., 9 Nov 2017, Proceedings of the 19th European Conference on Power Electronics and Applications, EPE'17 ECCE Europe. IEEE, p. 1-10 10 p. (European Conference on Power Electronics and Applications).

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

2 Citations (Scopus)

Performance analysis of a transformerless solar inverter with modified PWM

Ahmad, B., Martinez, W. & Kyyrä, J., 2017, Proceedings of the 6th IEEE International Conference on Renewable Energy Research and Applications, ICRERA 2017 . IEEE, p. 1024-1029 6 p.

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

11 Citations (Scopus)
2018

Angular Frequency Dynamic-Based Control Technique of a Grid-Interfaced Converter Emulated by a Synchronous Generator

Mehrasa, M., Sepehr, A., Pouresmaeil, E., Kyyrä, J., Marzband, M. & Catalão, J. P. S., 2018, Proceedings of the 2018 International Conference on Smart Energy Systems and Technologies (SEST). IEEE, 5 p.

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

Open Access
File
2 Citations (Scopus)
101 Downloads (Pure)

Approaching Net Zero Energy Housing Through Integrated EV

Doroudchi, E., Alanne, K., Okur, Ö., Kyyrä, J. & Lehtonen, M., 31 Jan 2018, In : Sustainable Cities and Society. 38, p. 534-542 9 p.

Research output: Contribution to journalArticleScientificpeer-review

20 Citations (Scopus)