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| Papers | Doctoral Dissertations | Master's Theses | Conference presentations and slides | Reports | Student projects

2016

P[LAI16] P. Laitila and K. Virtanen: Improving Construction of Conditional Probability Tables for Ranked Nodes in Bayesian Networks IEEE Transactions on Knowledge and Data Engineering

Papers

2016

P[HAR16] M. Harju, K. Virtanen, and J. Poropudas: Simulation Metamodeling Using Dynamic Bayesian Networks with Multiple Time Scales Proceedings of the 9th EUROSIM Congress on Modelling and Simulation, Oulu, Finland, September 12-16, 2016, pp. 572-578
P[LAI16] P. Laitila and K. Virtanen: Improving Construction of Conditional Probability Tables for Ranked Nodes in Bayesian Networks IEEE Transactions on Knowledge and Data Engineering, Volume: 28, Issue: 7, July 1 2016
P[MAN16a] H. Mansikka, K. Virtanen, D. Harris and P. Simola: Fighter pilots' heart rate, heart rate variation and performance during an instrument flight rules proficiency test Applied Ergonomics (View at publisher)
P[MAN16b] H. Mansikka, P. Simola, K. Virtanen, D. Harris and L.Oksama: Fighter pilots' heart rate, heart rate variation and performance during instrument approaches Ergonomics, DOI: 10.1080/00140139.2015.1136699 (View at publisher)
P[VAI16] M. Väilä, J. Jylhä, V. Väisänen, H. Perälä, A. Visa, M. Harju and K. Virtanen: A RCS model of complex targets for radar performance prediction Proceedings of the 2016 IEEE Radar Conference Philadelphia, PA, USA, May 2-6, 2016

2015

P[MAT15] V. Mattila and K. Virtanen: Ranking and selection for multiple performance measures using incomplete preference information European Journal of Operational Research, Volume 242, Issue 2, pp. 568-579

2014

P[MAT14] V. Mattila and K. Virtanen: Maintenance scheduling of a fleet of fighter aircraft through multi-objective simulation-optimization SIMULATION: Transactions of The Society for Modeling and Simulation International, Vol. 90, No. 9, pp. 1023-1040
P[MAT14b] V. Mattila, L. Muttilainen, K. Virtanen, J. Jylhä and V. Väisänen: Optimizing locations of decoys for protecting surface-based radar against anti-radiation missile with multi-objective ranking and selection Proceedings of the 2014 Winter Simulation Conference, Savannah, GA, Dec. 7.-10.2014, pp. 2319-2330.

2013

P[MAT13] V. Mattila, K. Virtanen, and R.P.Hämäläinen: A simulated annealing algorithm for noisy multiobjective optimization Journal of Multi-Criteria Decision Analysis, 20(5-6), pp. 255-276.
P[POU13] J. Pousi, J. Poropudas and K. Virtanen: Simulation metamodelling with Bayesian networks Journal of Simulation, Vol. 7, No. 4, 2013, pp. 297-311

2011

P[MAT11] V. Mattila and K. Virtanen: Scheduling Fighter Aircraft Maintenance with Reinforcement Learning Proceedings of the 2011 Winter Simulation Conference, Phoenix, AZ, Dec. 11.-14.2011.
P[POR11a] J. Poropudas and K. Virtanen: Simulation Metamodeling with Dynamic Bayesian Networks European Journal of Operational Research, Vol. 214, No. 3, pp. 644-655.
P[POR11b] J. Poropudas, J. Pousi and K. Virtanen: Multiple Input and Multiple Output Simulation Metamodeling using Bayesian Networks Proceedings of the 2011 Winter Simulation Conference, Phoenix, AZ, Dec. 11.-14.2011, pp. 569-580.

2010

P[POR10a] J. Poropudas and K. Virtanen: Game Theoretic Validation and Analysis of Air Combat Simulation Models IEEE Transaction on Systems, Man, and Cybernetics - Part A: Systems and Humans, Vol. 40, No. 5, pp. 1057-1070.
P[POR10b] J. Poropudas and K. Virtanen: Simulation Metamodeling in Continuous Time Using Dynamic Bayesian Networks Proceedings of the 2010 Winter Simulation Conference, Baltimore, MD, Dec. 3.-5.2010, pp. 935-946. (Slides)
P[POU10] J. Pousi, J. Poropudas and K. Virtanen: Game Theoretic Simulation Metamodeling Using Stochastic Kriging Proceedings of the 2010 Winter Simulation Conference, Baltimore, MD, Dec. 3.-5.2010, pp. 1456-1467.

2009

P[POR09a] J. Poropudas and K. Virtanen: Game Theoretic Validation of Air Combat Simulation Models Proceedings of the 2009 IEEE International Conference on Systems, Man, and Cybernetics, San Antonio, TX, USA, 11.-14.10.2009, pp. 3243-3250. (Slides)
P[POR09b] J. Poropudas and K. Virtanen: Influence Diagrams in Analysis of Discrete Event Simulation Data Proceedings of the 2009 Winter Simulation Conference, Austin, TX, USA, 13.-16.12.2009, pp. 696-708.Slides

2008

P[KAR08] J. Karelahti, K. Virtanen, and J. Öström: Automated Generation of Realistic Near-Optimal Aircraft Trajectories " Journal of Guidance, Control, and Dynamics, Vol. 31, No. 4, 2008, pp. 674-688. (Abstract)
P[MAT08] V. Mattila, K. Virtanen and T. Raivio: Improving Maintenance Decision-Making in the Finnish Air Force Through Simulation Interfaces, Vol. 38, No. 3, 2008, pp. 187-201.Slides

2007

P[KAR07a] J. Karelahti, K. Virtanen, and J. Öström: Automated Solution of Realistic Near-Optimal Aircraft Trajectories Using Computational Optimal Control and Inverse Simulation Proc. of the AIAA Guidance, Navigation, and Control Conference and Exhibit, 20-23 August 2007, Hilton Head, South Carolina.
P[KAR07b] J. Karelahti, K. Virtanen, and T. Raivio: Near-Optimal Missile Avoidance Trajectories via Receding Horizon Control Journal of Guidance, Control, and Dynamics, Vol. 30, No. 5, 2007, pp. 1287-1298. (Slides)
P[KAR07c] J. Karelahti and K. Virtanen: Adaptive Controller for the Avoidance of an Unknownly Guided Air Combat Missile " Proceedings of the 46th IEEE Conference on Decision and Control, 12-14 December, 2007, New Orleans, Lousiana.
P[POR07] J. Poropudas and K. Virtanen: Analyzing Air Combat Simulation Results with Dynamic Bayesian Networks Proceedings of the 2007 Winter Simulation Conference, Washington DC, USA, 9.-12.12.2007, pp. 1370-1377. (Slides)

2006

P[KAR06a] J. Karelahti, K. Virtanen, and T. Raivio: Game Optimal Support Time of a Medium Range Air-to-Air Missile Journal of Guidance, Control, and Dynamics, Vol. 29, No. 5, 2006, pp. 1061-1069.Slides
P[KAR06b] J. Karelahti, K. Virtanen, and T. Raivio: Near-Optimal Missile Avoidance Trajectories via Receding Horizon Control Proc. of the AIAA Guidance, Navigation, and Control Conference and Exhibit, 21-24 August 2006, Keystone, Colorado.
P[MAT06] V. Mattila, K. Virtanen: Scheduling Periodic Maintenance of Aircraft through Simulation-Based Optimization Proc. 47th Conference on Simulation and Modelling (SIMS2006) Helsinki FinlandSeptemper 28-29 2006 pp.38-43.Slides (Abstract)
P[VIR06a] K. Virtanen, R.P. Hämäläinen, and V. Mattila: Team Optimal Signaling Strategies in Air Combat IEEE Transaction on Systems, Man, and Cybernetics - Part A: Systems and Humans, Vol. 36, No. 4, 2006, pp. 643-660. Slides (Abstract)
P[VIR06b] K. Virtanen, J. Karelahti and T. Raivio: Modeling Air Combat by a Moving Horizon Influence Diagram Game Journal of Guidance, Control, and Dynamics, Vol. 29, No. 5, 2006, pp. 1080-1091. Slides (Abstract)

2005

P[MAT05] V. Mattila, K. Virtanen: A Simulation-based Optimization Model to Schedule Periodic Maintenance of a Fleet of Aircraft Proc. 2005 European Simulation and Modelling Conference, Porto, Portugal, October 24-26, 2005, pp. 479-483.Slides (Abstract)
P[VIR05] K. Virtanen, T. Raivio and R.P. Hämäläinen: Simulating Pilot's Decision Making by an Influence Diagram Game Proc. of 2005 European Simulation and Modelling Conference, Porto, Portugal, October 24/26, 2005, pp. 87-91,slides

2004

P[KAR04]J. Karelahti, K. Virtanen, and T. Raivio: Game Optimal Support Time of a Medium Range Air-to-Air Missile Proc. of the 11th International Symposium on Differential Games and Applications, Tucson, Arizona, December 18-21, 2004.Slides (Abstract)
P[VIR04a] K. Virtanen, T. Raivio and R.P. Hämäläinen: Modeling Pilot's Sequential Maneuvering Decisions by a Multistage Influence Diagram Journal of Guidance, Control, and Dynamics, Vol. 27, No. 4, 2004, pp. 665-677.Slides
P[VIR04b] K. Virtanen, J. Karelahti, T. Raivio and R.P. Hämäläinen: A Multistage Influence Diagram Game for Maneuvering Decisions in Air Combat Proc. of the 11th International Symposium on Differential Games and Applications, Tucson, Arizona, December 18-21, 2004. (Slides)

2003

P[MAT03] V. Mattila, K. Virtanen, and T. Raivio: A Simulation Model for Aircraft Maintenance in an Uncertain Operational Environment Proceedings of the 17th European Simulation Multiconference (ESM2003), D. Al-Dabass (ed.), Nottingham, England, 9.-11.6.2003, pp. 456-461.Slides (Abstract)
P[VIR03] K. Virtanen, T. Raivio and R.P. Hämäläinen: Influence Diagram Modeling of Decision Making in a Dynamic Game Setting Proc. of the 1st Bayesian Modeling Applications Workshop of the 19th Conference on Uncertainty in Artificial Intelligence, Acapulco, Mexico, August 7, 2003. Slides

2002

P[VIR02] K. Virtanen, T. Raivio and R.P. Hämäläinen: An Influence Diagram Approach to One-on-One Air Combat Proc. of the 10th International Symposium on Differential Games and Applications, St. Petersburg, Russia, July 8-11, 2002, Vol. 2, pp. 859-864.PowerPoint-Presentation

2001

P[RAI01a] T. Raivio, E. Kuumola, V.A. Mattila, K. Virtanen and R.P. Hämäläinen: A Simulation Model for Military Aircraft Maintenance and Availability Proceedings of the Modelling and Simulation 2001, E.J.H. Kerckhoffs and M. Snorek (eds.), 15th European Simulation Multiconference (ESM2001), Prague, Czech, 6.-9.6.2001, pp. 190-194,Slides
P[VIR01a] K. Virtanen, T. Raivio and R.P. Hämäläinen: Modeling Pilot's Sequential Maneuvering Decisions by a Multistage Influence Diagram Proceedings of the AIAA Guidance, Control, and Navigation Conference, CD, Montreal, Canada, August 6-9, 2001.Slides
P[VIR01b] K. Virtanen, R.P. Hämäläinen and V. Mattila: Team Optimal Signaling Strategies in Air Combat Proceedings of the IEEE Systems, Man, and Cybernetics Conference, Tucson, Arizona, USA, October 7-10, 2001, CD, Session 61, 2001, pp. 2075-2080.Slides (Abstract)

1999

P[VIR99a] K. Virtanen, H. Ehtamo, T. Raivio and R.P. Hämäläinen: VIATO - Visual Interactive Aircraft Trajectory Optimization IEEE Transactions on Systems, Man, and Cybernetics, Part C: Applications and Reviews, Vol. 29, No. 3, 1999, pp. 409-421.
P[VIR99b] K. Virtanen, T. Raivio and R.P. Hämäläinen: Decision theoretical approach to pilot simulation Journal of Aircraft, Vol. 36, No. 4, 1999 pp. 632-641.Slides (Abstract)

1998

P[RAI98] T. Raivio, K. Virtanen, H. Ehtamo and R.P. Hämäläinen: Microcomputer simulation of optimal flight paths Proc. of the EUROSIM'98 Simulation Congress (ed. K. Juslin), April 14-15, 1998, Espoo, Finland, Vol. 2, pp. 288-289.
P[VIR98a] K. Virtanen, T. Raivio and R.P. Hämäläinen: A decision analytic approach to flight simulation Proc. of the EUROSIM'98 Simulation Congress (ed. K. Juslin), April 14-15, 1998, Espoo, Finland, Vol. 2, pp. 292-293.
P[VIR98b] K. Virtanen, T. Raivio and R.P. Hämäläinen: Modeling pilot decision making by an influence diagram AIAA Modeling & Simulation Technologies Conference and Exhibit, Boston, MA, USA, August 10-12, 1998, pp. 447-457. Slides (Abstract)

1997

P[VIR97] K. Virtanen, H. Ehtamo, T. Raivio and R.P. Hämäläinen: VIATO - Visual Interactive Aircraft Trajectory Optimization to be presented in the 1997 IEEE International Conference on Systems, Man and Cybernetics, October 12-15, Orlando, Florida, USA, Vol. 3, 1997, pp. 2280-2285. (Abstract)

1996

P[EHT96c]H. Ehtamo and K. Virtanen: Interactive aircraft trajectory optimization and simulation Proc. of the European Simulation Multiconference, Budapest, June 1996, pp. 150-154.

Doctoral Dissertations

2005

T[VIR05] Kai Virtanen: Optimal Pilot Decisions and Flight Trajectories in Air Combat Picture Lectio (View at publisher)

Master's Theses

1996

T[VIR96]Kai Virtanen: Interactive aircraft trajectory optimization (HUT) (in Finnish)

Conference presentations and slides

2016

C[HAR16] M. Harju, K. Virtanen, and J. Poropudas: Simulation Metamodeling Using Dynamic Bayesian Networks with Multiple Time Scales 9th EUROSIM Congress on Modelling and Simulation, September 12-16, 2016, Oulu, Finland
C[HAR16]b M. Harju, J. Liesiö, and K. Virtanen: Preference Programming for Spatial Multiattribute Decision Analysis INFORMS Annual Meeting 2016, November 13-16, Nashville, Tennessee, USA (Slides)
C[LAI16] P. Laitila and K. Virtanen: Improving Construction of Conditional Probability Tables for Ranked Nodes in Bayesian Networks 28th European Conference on Operational Research, 4-6 July 2016, Poznan University of Technology, Poland

2013

C[MAT13] V. Mattila and K. Virtanen: Ranking and selection (R&S) with multiple performance measures using incomplete preference information FORS40 - Finnish Operations Research Society 40th Anniversary Workshop, Lappeenranta, Finland, 20.-21.8.2013
C[POR13] J. Poropudas, J. Pousi, and K. Virtanen: Simulation Metamodeling using Bayesian Networks EURO 2012, Vilnius, 8.-11.7.2012
C[POU13] J. Pousi, J. Poropudas, M. Harju, and K. Virtanen: Simulation Metamodeling with Bayesian Networks FORS40 - Finnish Operations Research Society 40th Anniversary Workshop, Lappeenranta, Finland, 20.-21.8.2013

2011

C[MAT11]Ville Mattila, Kai Virtanen, Raimo P. Hämäläinen: A Simulated Annealing Algorithm for Noisy Multi-Objective Optimization MCDM2011 - 21st International Conference on Multiple Criteria Decision Making, Jyväskylä, Finland, 12.-17.6.2011 (Slides)
C[POU11] Jouni Pousi, Jirka Poropudas, Kai Virtanen and Raimo P. Hämäläinen: Utilization of Multi-Criteria Influence Diagrams in Simulation Metamodeling MCDM2011 - 21st International Conference on Multiple Criteria Decision Making, Jyväskylä, Finland, 12.-17.6.2011 (Slides)

2009

C[MAT09] Ville Mattila, Kai Virtanen and Raimo P. Hämäläinen: Maintenance Scheduling of Fighter Aircraft Fleet with Multi-Objective Simulation-Optimization 20th International Conference on Multiple Criteria Decision Making, Chengdu/Jiuzhaigou, China, 21-26.6.2009. (Slides)
C[POU09] Jouni Pousi, Kai Virtanen and Raimo P. Hämäläinen: Multiple Criteria Optimization and Analysis in the Planning of Effects-Based Operations (EBO) 20th International Conference on Multiple Criteria Decision Making, Chengdu/Jiuzhaigou, China, 21-26.6.2009. (Slides)

2008

C[MAT08] V. Mattila, K. Virtanen and T. Raivio: Improving Maintenance Decision-Making in the Finnish Air Force through Simulation INFORMS Annual Meeting, Washington DC, USA, 12.-15.10.2008.Slides
C[POR08a] J. Poropudas and K. Virtanen: Game Theoretic Approach to Air Combat Simulation INFORMS Annual Meeting, Washington DC, USA, 12.-15.10.2008. (Slides)
C[POR08b] J. Poropudas and K. Virtanen: Games and Bayesian Networks in Air Combat Simulation Analysis 2nd Nordic Military Analysis Symposium, Stockholm, Sweden, 17.-18.11.2008. (Slides)
C[POU08]J. Pousi, K. Virtanen and R.P. Hämäläinen: Effects-Based Operations as a Multi-Criteria Decision Analysis Problem INFORMS Annual Meeting, Washington DC, USA, 12.-15.10.2008. (Slides)

2007

C[MAT07] V. Mattila and K. Virtanen: Flight Time Allocation for a Fleet of Aircraft through Reinforcement Learning Winter Simulation Conference, Washington, D.C., 9.-12.12.2007. (Slides)

2006

C[MAT06] V. Mattila and K. Virtanen: Scheduling Periodic Maintenance of Aircraft through Simulation-Based Optimization SIMS2006 - 47th Conference on Simulation and Modelling, Helsinki, Finland, 28.-29.9.2006. (Slides)
C[POR06] J. Poropudas and K. Virtanen: Game Theoretic Analysis of an Air Combat Simulation Model 12th International Symposium on Dynamic Games and Applications, Sophia-Antipolis, France, 3.-6.7. 2006.

2005

C[MAT05] V. Mattila and K. Virtanen: A Simulation-Based Optimization Model to Schedule Periodic Maintenance of a Fleet of Aircraft ESM2005 - European Simulation and Modelling Conference, Porto, Portugal, 24.-26.10.2005. (Slides)

2004

C[KAR04] J. Karelahti, K. Virtanen, and T. Raivio: Game Optimal Support Time of a Medium Range Air-to-Air Missile Nordic Military Operational Research Symposium, Helsinki, Finland, October 26.-27.2004. (Slides)
C[MAT04] V. Mattila and K. Virtanen: A Simulation Model for Aircraft Maintenance in an Uncertain Operational Environment Nordic Military Operational Research Symposium, Helsinki, Finland, October 26.-27.2004. (Slides)
C[VIR04a] K. Virtanen, T. Raivio, and R.P. Hämäläinen: Optimal Pilot Decisions and Flight Trajectories in Air Combat Nordic Military Operational Research Symposium, Helsinki, Finland, October 26. - 27.2004. (Slides)
C[VIR04b] K. Virtanen, J. Karelahti, T. Raivio, and R.P. Hämäläinen: Influence Diagram Game Modeling of Maneuvering Decisions in One-on-One Air Combat Nordic Military Operational Research Symposium, Helsinki, Finland, October 26. - 27.2004. (Slides)

2003

C[MAT03] V. Mattila, K. Virtanen and T. Raivio: A Simulation Model for Aircraft Maintenance in an Uncertain Operational Environment ESM2003 - 17th European Simulation Multiconference, Nottingham, England, June 9.-12.2003. (Slides)

Reports

2005

R[VIR05] K. Virtanen: Optimal Pilot Decisions and Flight Trajectories in Air Combat Systems Analysis Laboratory Research Reports, A90, March 2005. (View at publisher)

Student projects

2005

E[VIR05b] Jussi K. Virtanen: The OtaStat Publication Platform

1995

E[VIR95a]Kai Virtanen: Lentokoneen parametrien approksimointiohjelma APPROX
E[VIR95b]Kai Virtanen: Vesivoiman optimointitehtävän hajauttaminen täydennetyn Lagrangen funktion menetelmällä