Thorsteinn Rögnvaldsson

Thorsteinn Rögnvaldsson

Thorsteinn Rögnvaldsson, Professor, PhD

Family Name: Rögnvaldsson
Given Name: Thorsteinn
Role: Professor
Title: PhD
Subject: Computer Science
Email: thorsteinn.rognvaldsson@hh.se
url: 
Phone: +46-35-167477
Cell Phone: 

Subject areas: Learning Systems
Application areas: Intelligent Vehicles
Projects: ReDi2Service, Research, Malta

Journal publications registered in DiVA

Yuantao Fan, Sławomir Nowaczyk, Thorsteinn Rögnvaldsson (2020). Transfer learning for remaining useful life prediction based on consensus self-organizing models..

Yuantao Fan, Sławomir Nowaczyk, Thorsteinn Rögnvaldsson (2020). Transfer learning for remaining useful life prediction based on consensus self-organizing models.

Thorsteinn Rögnvaldsson, Sławomir Nowaczyk, Stefan Byttner, Rune Prytz, Magnus Svensson (2018). Self-monitoring for maintenance of vehicle fleets. Data mining and knowledge discovery. 32(2), pp. 344-384

Thorsteinn Rögnvaldsson, Justen Manasa, Vici Varghese, Sergei Kosakovsky Pond, Soo-Yon Rhee, Philip Tzou, Jeffrey Fessel, Karen Jang, Elizabeth White, David Katzenstein, Robert Shafer (2017). Evolution of gag and gp41 in Patients Receiving Ritonavir-Boosted Protease Inhibitors. Scientific Reports. 7, pp. 11559-

Yuantao Fan, Sławomir Nowaczyk, Thorsteinn Rögnvaldsson (2015). Evaluation of Self-Organized Approach for Predicting Compressor Faults in a City Bus Fleet. Procedia Computer Science. 53, pp. 447-456

Thorsteinn Rögnvaldsson, Liwen You, Daniel Garwicz (2015). State of the art prediction of HIV-1 protease cleavage sites. Bioinformatics. 31(8), pp. 1204-1210

Yuantao Fan, Sławomir Nowaczyk, Thorsteinn Rögnvaldsson (2015). Incorporating Expert Knowledge into a Self-Organized Approach for Predicting Compressor Faults in a City Bus Fleet. Frontiers in Artificial Intelligence and Applications. 278, pp. 58-67

Rune Prytz, Sławomir Nowaczyk, Thorsteinn Rögnvaldsson, Stefan Byttner (2015). Predicting the need for vehicle compressor repairs using maintenance records and logged vehicle data. Engineering applications of artificial intelligence. 41, pp. 139-150

Thorsteinn Rögnvaldsson, Stefan Byttner, Rune Prytz, Sławomir Nowaczyk, Magnus Svensson (2015). Wisdom of Crowds for Intelligent Monitoring of Vehicle Fleets.

Thorsteinn Rögnvaldsson (2012). A Simple trick for estimating the weight decay parameter. Lecture Notes in Computer Science. 7700 LECTURE NO, pp. 69-89

Stefan Byttner, Thorsteinn Rögnvaldsson, Magnus Svensson (2011). Consensus self-organized models for fault detection (COSMO). Engineering applications of artificial intelligence. 24(5), pp. 833-839

Thorsteinn Rögnvaldsson, Terence A Etchells, Liwen You, Daniel Garwicz, Ian Jarman, Paulo J G Lisboa (2009). How to find simple and accurate rules for viral protease cleavage specificities. BMC Bioinformatics. 10, pp. 149-156

Magnus Svensson, Stefan Byttner, Thorsteinn Rögnvaldsson (2009). Vehicle Diagnostics Method by Anomaly Detection and Fault Identification Software. SAE international journal of passenger cars : electronic and electrical systems. 2(1), pp. 352-358

J. Cameron, C. Jacobson, Kenneth Nilsson, Thorsteinn Rögnvaldsson (2007). A biometric approach to laboratory rodent identification. Lab animal. 36(3), pp. 36-40

Thorsteinn Rögnvaldsson, Liwen You, Daniel Garwicz (2007). Bioinformatic approaches for modeling the substrate specificity of HIV-1 protease : an overview. Expert Review of Molecular Diagnostics. 7(4), pp. 435-451

Liwen You, Daniel Garwicz, Thorsteinn Rögnvaldsson (2005). Comprehensive Bioinformatic Analysis of the Specificity of Human Immunodeficiency Virus Type 1 Protease. Journal of Virology. 79(19), pp. 12477-12486

Thorsteinn Rögnvaldsson, Liwen You (2004). Why neural networks should not be used for HIV-1 protease cleavage site prediction. Bioinformatics. 20(11), pp. 1702-1709

Lena-Karin Erlandsson, Thorsteinn Rögnvaldsson, Mona Eklund (2004). Recognition of Similarities (ROS) : A Methodological Approach to Analysing and Characterising Patterns of Daily Occupations. Journal of Occupational Science. 11(1), pp. 3-13

Jim Samuelsson, Daniel Dalevi, Fredrik Levander, Thorsteinn Rögnvaldsson (2004). Modular, scriptable and automated analysis tools for high-throughput peptide mass fingerprinting. Bioinformatics. 20(18), pp. 3628-3635

Lena-Karin Erlandsson, Thorsteinn Rögnvaldsson, Mona Eklund (2004). Recognition of Similarities : A Methodological Approach to Analysing and Characterising Patterns of Daily Occupations. Journal of Occupational Science. 11(1), pp. 3-13

Thorsteinn Rögnvaldsson, Jari Häkkinen, Claes Lindberg, György Marko-Varga, Frank Potthast, Jim Samuelsson (2004). Improving automatic peptide mass fingerprint protein identification by combining many peak sets. Journal of chromatography. B. 807(2), pp. 209-215

F. Levander, Thorsteinn Rögnvaldsson, J. Samuelsson, P. James (2004). Automated methods for improved protein identification by peptide mass fingerprinting. Proteomics. 4(9), pp. 2594-2601

Lena-Karin Erlandsson, Thorsteinn Rögnvaldsson, Mona Eklund (2004). Recognition of Similarities (ROS) : An Attempt to Analyse and Characterise Patterns of Daily Occupations. Journal of Occupational Science. 11(1), pp. 3-13

Magnus Hellring, Thomas Munther, Thorsteinn Rögnvaldsson, Nicholas Wickström, Christian Carlsson, Magnus Larsson, Jan Nytomt (1999). Robust AFR estimation using the ion current and neural networks. SAE transactions. 108(03), pp. 1585-1589

Magnus Hellring, Thomas Munther, Thorsteinn Rögnvaldsson, Nicholas Wickström, Christian Carlsson, Magnus Larsson, Jan Nytomt (1999). Spark advance control using the ion current and neural soft sensors. SAE transactions. 108(03), pp. 1590-1595

Conference publications registered in DiVA

Iulian Carpatorea, Sławomir Nowaczyk, Thorsteinn Rögnvaldsson, Johan Lodin (2017). Features extracted from APPES to enable the categorization of heavy-duty vehicle drivers. Intelligent Systems Conference (IntelliSys 2017), London, United Kingdom, 7-8 September, 2017.

Yuantao Fan, Sławomir Nowaczyk, Thorsteinn Rögnvaldsson, Eric Aislan Antonelo (2016). Predicting Air Compressor Failures with Echo State Networks. Third European Conference of the Prognostics and Health Management Society 2016, Bilbao, Spain, 5-8 July, 2016.

Iulian Carpatorea, Sławomir Nowaczyk, Thorsteinn Rögnvaldsson, Marcus Elmer, Johan Lodin (2016). Learning of Aggregate Features for Comparing Drivers Based on Naturalistic Data. IEEE 15th International Conference on Machine Learning and Applications, ICMLA 2016, Anaheim, United States, 18-20 December, 2016.

Yuantao Fan, Sławomir Nowaczyk, Thorsteinn Rögnvaldsson (2014). Using Histograms to Find Compressor Deviations in Bus Fleet Data. The Swedish AI Society (SAIS) Workshop 2014, Stockholm, Sweden, May 22-23, 2014.

Thorsteinn Rögnvaldsson, Henrik Norrman, Stefan Byttner, Eric Järpe (2014). Estimating p-Values for Deviation Detection. SASO 2014 - Eighth IEEE International Conference on Self-Adaptive and Self-Organizing Systems, Imperial College, London, United Kingdom, September 8-12, 2014.

Iulian Carpatorea, Sławomir Nowaczyk, Thorsteinn Rögnvaldsson, Marcus Elmer (2014). APPES Maps as Tools for Quantifying Performance of Truck Drivers. The 10th International Conference on Data Mining, DMIN´14, July 21-24, Las Vegas, Nevada, USA.

Iulian Carpatorea, Sławomir Nowaczyk, Thorsteinn Rögnvaldsson, Marcus Elmer (2014). Towards Data Driven Method for Quantifying Performance of Truck Drivers. 28th Annual workshop of the Swedish Artificial Intelligence Society (SAIS), Stockholm, Sweden, May 22-23, 2014.

Stefan Byttner, Sławomir Nowaczyk, Rune Prytz, Thorsteinn Rögnvaldsson (2013). A field test with self-organized modeling for knowledge discovery in a fleet of city buses. 10th IEEE International Conference on Mechatronics and Automation, IEEE ICMA 2013, Takamastu, Japan, 4-7 August, 2013.

Rune Prytz, Sławomir Nowaczyk, Thorsteinn Rögnvaldsson, Stefan Byttner (2013). Analysis of Truck Compressor Failures Based on Logged Vehicle Data. 9th International Conference on Data Mining, Las Vegas, Nevada, USA, July 22–25, 2013.

Sławomir Nowaczyk, Rune Prytz, Thorsteinn Rögnvaldsson, Stefan Byttner (2013). Towards a Machine Learning Algorithm for Predicting Truck Compressor Failures Using Logged Vehicle Data. 12th Scandinavian Conference on Artificial Intelligence, Aalborg, Denmark, November 20–22, 2013.

Henrik Andreasson, Abdelbaki Bouguerra, Björn Åstrand, Thorsteinn Rögnvaldsson (2012). Gold-fish SLAM : An application of SLAM to localize AGVs. The 8th International Conference on Field and Service Robotics, Matsushima, Miyagi, Japan, July 16-19, 2012.

Ahmed Mosallam, Stefan Byttner, Magnus Svensson, Thorsteinn Rögnvaldsson (2011). Nonlinear relation mining for maintenance prediction. IEEE Aerospace conference 2011, 5-12 march.

Magnus Svensson, Thorsteinn Rögnvaldsson, Stefan Byttner, Martin West, Björn Andersson (2011). Unsupervised deviation detection by GMM - A simulation study. 8th IEEE Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives, SDEMPED 2011, Bologna, Italy, 5-8 September, 2011.

Stefan Byttner, Thorsteinn Rögnvaldsson, Magnus Svensson (2010). Finding the odd-one-out in fleets of mechatronic systems using embedded intelligent agents. 2010 AAAI Spring Symposium, Stanford University, Stanford, CA, United States, 22 - 24 March 2010, Code 81902.

Hanna Kaminska, Thorsteinn Rögnvaldsson (2010). Assessment of the new scoring function for protein identification by PMF. the 2nd Conference of Polish Mass Spectometry Society March 24th-26th, 2010, Poznan, Poland.

Björn Åstrand, Abdelbaki Bouguerra, Henrik Andreasson, Achim J. Lilienthal, Thorsteinn Rögnvaldsson (2009). An autonomous robotic system for load transportation. The Fourth Swedish Workshop on Autonomous Robotics, SWAR'09, September 2009, Mälardalen University, Mälardalen, Sweden.

Abdelbaki Bouguerra, Henrik Andreasson, Achim J. Lilienthal, Björn Åstrand, Thorsteinn Rögnvaldsson (2009). An Autonomous Robotic System for Load Transportation. 14th IEEE International Conference on Emerging Technologies and Factory Automation, September 22-26, 2009, University of Balearic Islands, Mallorca, Spain, 2009.

Abdelbaki Bouguerra, Henrik Andreasson, Achim J. Lilienthal, Björn Åstrand, Thorsteinn Rögnvaldsson (2009). An autonomous robotic system for load transportation. 2009 IEEE Conference on Emerging Technologies and Factory Automation, ETFA 2009, Mallorca, Spain, 22 - 26 September, 2009.

Magnus Svensson, Magnus Forsberg, Stefan Byttner, Thorsteinn Rögnvaldsson (2009). Deviation Detection by Self-Organized On-Line Models Simulated on a Feed-Back Controlled DC-Motor. Intelligent Systems and Control 2009, Cambridge, Mass., USA, Nov. 2-4, 2009.

Abdelbaki Bouguerra, Henrik Andreasson, Achim J Lilienthal, Björn Åstrand, Thorsteinn Rögnvaldsson (2009). MALTA : A System of Multiple Autonomous Trucks for Load Transportation. 4th European Conference on Mobile Robots (ECMR), 23-25 september, 2009, Mlini/Dubrovnik, Croatia.

Stefan Byttner, Thorsteinn Rögnvaldsson, Magnus Svensson, George Bitar, Wesley Chominsky (2009). Networked vehicles for automated fault detection. 2009 International Symposium on Circuits and Systems, May 24-27, Taipei, Taiwan.

Magnus Svensson, Stefan Byttner, Thorsteinn Rögnvaldsson (2008). Self-organizing maps for automatic fault detection in a vehicle cooling system. 4th international IEEE conference on Intelligent systems, Varna, Bulgaria, September 6-8, 2008.

Stefan Byttner, Thorsteinn Rögnvaldsson, Magnus Svensson (2008). Self-organized Modeling for Vehicle Fleet Based Fault Detection. SAE World Congress & Exhibition, April 2008, Detroit, Michigan, United States.

Thorsteinn Rögnvaldsson, Georg Panholzer, Stefan Byttner, Magnus Svensson (2008). A self-organized approach for unsupervised fault detection in multiple systems. 19th International Conference on Pattern Recognition (ICPR 2008),Tampa, FL, DEC 08-11, 2008.

Stefan Byttner, Thorsteinn Rögnvaldsson, Magnus Svensson (2007). Modelling for Vehicle Fleet Remote Diagnostics. SAE 2007 Commercial Vehicle Engineering Congress & Exhibition, October 2007, Rosemont, IL, USA.

Liwen You, Thorsteinn Rögnvaldsson (2007). Almost Linear Biobasis Function Neural Networks. The 2007 International Joint Conference on Neural Networks.

Stefan Byttner, Thorsteinn Rögnvaldsson, Magnus Svensson (2007). Modeling for Vehicle Fleet Remote Diagnostics. SAE 2007 Commercial Vehicle Engineering Congress & Exhibition, October 2007, Rosemont, IL, USA.

Eric A. Antonelo, Albert-Jan Baerveldt, Thorsteinn Rögnvaldsson, Mauricio Figueiredo (2006). Modular Neural Network and Classical Reinforcement Learning for Autonomous Robot Navigation : Inhibiting Undesirable Behaviors. International Joint Conference on Neural Networks, 2006. IJCNN '06, Vancouver.

Kenneth Nilsson, Thorsteinn Rögnvaldsson, Jens Cameron, Christina Jacobson (2006). Biometric identification of mice. The 18th International Conference on Pattern Recognition, 20 - 24 August, 2006, Hong Kong, China.

Thorsteinn Rögnvaldsson, Jari Häkkinen, Jim Samuelsson, Claes Lindberg, György Marko-Vargä, Fránk Potthast (2002). Improved protein identification in mammalian cells using a new automatic peak detection algorithm. 50th ASMS Conference on Mass Spectrometry and Allied Topics, Orlando, Florida, United States, June 2-6, 2002.

Jim Samuelsson, Daniel Dalevi, Rikard Aim, Thorsteinn Rögnvaldsson, Fránk Potthast (2002). PIUMS® - A new algorithm for protein identification using peptide fingerprints. 50th ASMS Conference on Mass Spectrometry and Allied Topics, Orlando, Florida, United States, June 2-6, 2002.

Stefan Byttner, Thorsteinn Rögnvaldsson, Nicholas Wickström (2001). Strategies for handling the fuel additive problem in neural network based ion current interpretation. SAE 2001 World Congress, Session: Electronic Engine Controls (Part C&D), Detroit, MI, USA, 5-8 March, 2001.

Stefan Byttner, Thorsteinn Rögnvaldsson, Nicholas Wickström (2001). Strategies for Handling the Fuel Additive Problem in Neural Network Based Ion Current Interpretation. SAE 2001 World Congress, March 2001, Detroit, MI, USA, Session: Electronic Engine Controls (Part C&D).

Stefan Byttner, Thorsteinn Rögnvaldsson, Nicholas Wickström (2001). Estimation of combustion variability using in-cylinder ionization measurements. SAE International Fall Fuels & Lubricants Meeting & Exhibition, Session: Experimental Investigation of SI Engines (Part A&B), San Antonio, TX, USA, September 24-27, 2001.

Stefan Byttner, Thorsteinn Rögnvaldsson, Nicholas Wickström (2001). Estimation of Combustion Variability Using In-Cylinder Ionization Measurements. SAE International Fall Fuels & Lubricants Meeting & Exhibition, September 2001, San Antonio, TX, USA, Session: Experimental Investigation of SI Engines (Part A&B).

Magnus Hellring, Thorsteinn Rögnvaldsson, Nicholas Wickström, Magnus Larsson (2000). Ion current based pressure peak detection under different air humidity conditions. Conference on Advanced Microsystems for Automotive Applications (AMAA 2000), BERLIN, GERMANY, APR, 2000.

Daniel Blomqvist, Stefan Byttner, Thorsteinn Rögnvaldsson, Ulf Holmberg (2000). Different Strategies for Transient Control of the Air-Fuel Ratio in a SI Engine. International Fuels & Lubricants Meeting & Exposition, October 2000, Baltimore, MD, USA, Session: Combustion and Emissions Formation in SI Engines (Part A&B).

Thorsteinn Rögnvaldsson (1998). A simple trick for estimating the weight decay parameter. Neural Networks : Tricks of the Trade.