Per Tunestål

Professor, Director of The KCFP Engine Research Center, PhD, PhD, Master of Science
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  1. 2013
  2. System Simulations to Evaluate the Potential Efficiency of Humid Air Motors

    Prakash Narayanan, Martin Tunér, Per Tunestål & Bengt Johansson, 2013, SAE Technical Paper Series. Society of Automotive Engineers

    Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceeding

  3. The Low Load Limit of Gasoline Partially Premixed Combustion Using Negative Valve Overlap

    Patrick Borgqvist, Öivind Andersson, Per Tunestål & Bengt Johansson, 2013, In : Journal of Engineering for Gas Turbines and Power. 135, 6, 062002.

    Research output: Contribution to journalArticle

  4. 2012
  5. Steady state fuel consumption optimization through feedback control of estimated cylinder individual efficiency

    Magnus Lewander, Anders Widd, Per Tunestål & Bengt Johansson, 2012 Oct 2, Proceedings of the 2012 American Control Conference. IEEE - Institute of Electrical and Electronics Engineers Inc., p. 4210-4214 (Proceedings of the American Control Conference).

    Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceeding

  6. A Comparative Analysis of WHR System in HD Engines Using Conventional Diesel Combustion and Partially-Premixed Combustion

    Prakash Narayanan, Björn Nyberg, Martin Tunér & Per Tunestål, 2012, SAE Technical Paper Series. Society of Automotive Engineers

    Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceeding

  7. A machine-learning approach to information extraction from cylinder pressure sensors

    Maria Henningsson, Bo Bernhardsson, Per Tunestål & Rolf Johansson, 2012, SAE Technical Paper. Society of Automotive Engineers, (SAE Technical Paper Series).

    Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceeding

  8. Applicability of Ionization Current Sensing Technique with Plasma Jet Ignition Using PreChamber Spark Plug in a Heavy Duty Natural Gas Engine

    Ashish Shah, Per Tunestål & Bengt Johansson, 2012, SAE Technical Paper. Society of Automotive Engineers, 11 p. (SAE Technical Paper Series).

    Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceeding

  9. A Virtual Sensor for Predicting Diesel Engine Emissions from Cylinder Pressure Data

    Maria Henningsson, Per Tunestål & Rolf Johansson, 2012, 2012 IFAC Workshop on Engine and Powertrain Control, Simulation and Modeling. IFAC, p. 424-431

    Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceeding

  10. Dynamic Mapping of Diesel Engine through System identification

    Maria Henningsson, Kent Ekholm, Petter Strandh, Per Tunestål & Rolf Johansson, 2012, Identification for Automotive Systems. Alberer, D., Hjalmarsson, H. & del Re, L. (eds.). Springer, Vol. LNCIS 418. p. 223-239

    Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceeding

  11. Gasoline partially premixed combustion: high efficiency, low NOx and low soot by using an advanced combustion strategy and a compression ignition engine

    Vittorio Manente, Bengt Johansson, Per Tunestål, Marc Sonder & Simone Serra, 2012, In : International Journal of Vehicle Design. 59, 2-3, p. 108-128

    Research output: Contribution to journalArticle

  12. Gasoline Partially Premixed Combustion in a Light Duty Engine at Low Load and Idle Operating Conditions

    Patrick Borgqvist, Per Tunestål & Bengt Johansson, 2012, SAE Technical Paper Series. Society of Automotive Engineers

    Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceeding

  13. Investigation of Performance and Emission Characteristics of a Heavy Duty Natural Gas Engine Operated with Pre-Chamber Spark Plug and Dilution with Excess Air and EGR

    Ashish Shah, Per Tunestål & Bengt Johansson, 2012, SAE international journal of engines. Society of Automotive Engineers, Vol. 5. p. 1790-1801

    Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceeding

  14. Modeling for HCCI Control

    Anders Widd, Per Tunestål & Rolf Johansson, 2012, Identification for Automotive Systems (Lecture Notes in Control and Information Sciences ). Springer, Vol. 418. p. 283-302

    Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceeding

  15. Single-Zone Diesel PPC Modeling for Control

    Anders Widd, Per Tunestål, Johan Åkesson & Rolf Johansson, 2012, 2012 American Control Conference (ACC). IEEE - Institute of Electrical and Electronics Engineers Inc., p. 5731-5736

    Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceeding

  16. The Usefulness of Negative Valve Overlap for Gasoline Partially Premixed Combustion, PPC

    Patrick Borgqvist, Martin Tunér, Augusto Mello, Per Tunestål & Bengt Johansson, 2012, SAE Technical Paper Series. Society of Automotive Engineers

    Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceeding

  17. Waste Heat Recovery from Multiple Heat Sources in a HD Truck Diesel Engine Using a Rankine Cycle - A Theoretical Evaluation

    Prakash Narayanan, Mengqin Shen, Martin Tunér, Per Tunestål & Marcus Thern, 2012, SAE Technical Paper Series. Society of Automotive Engineers

    Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceeding

  18. 2011
  19. Extending the Operating Region of Multi-Cylinder Partially Premixed Combustion using High Octane Number Fuel

    Magnus Lewander, Bengt Johansson & Per Tunestål, 2011 Apr 12, SAE Technical Paper. Society of Automotive Engineers, (SAE Technical Paper Series).

    Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceeding

  20. Control of Exhaust Recompression HCCI using Hybrid Model Predictive Control

    Anders Widd, Hsien-Hsin Liao, J. Christian Gerdes, Per Tunestål & Rolf Johansson, 2011, Proc. 2011 American Control Conference (ACC2011). p. 420-425

    Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceeding

  21. Future Engine Control Enabling Environment Friendly Vehicle

    Hui Xie, Richard Stobart, Per Tunestål, Lars Eriksson, Yiqun Huang & Patrick Leteinturier, 2011, SAE Technical Paper Series. Society of Automotive Engineers

    Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceeding

  22. Investigating Mode Switch from SI to HCCI using Early Intake Valve Closing and Negative Valve Overlap

    Anders Widd, Patrick Borgqvist, Per Tunestål, Rolf Johansson & Bengt Johansson, 2011, In : SAE technical paper series.

    Research output: Contribution to journalArticle

  23. Investigation and Comparison of Multi Cylinder Partially Premixed Combustion Characteristics for Diesel and Gasoline Fuels

    Magnus Lewander, Bengt Johansson & Per Tunestål, 2011, SAE Technical Paper Series. Society of Automotive Engineers

    Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceeding

  24. Investigation and Comparison of Residual Gas Enhanced HCCI using Trapping (NVO HCCI) or Rebreathing of Residual Gases

    Patrick Borgqvist, Per Tunestål & Bengt Johansson, 2011, SAE Technical Paper Series. Society of Automotive Engineers

    Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceeding

  25. Reducing Throttle Losses Using Variable Geometry Turbine (VGT) in a Heavy-Duty Spark-Ignited Natural Gas Engine

    Mehrzad Kaiadi, Per Tunestål & Bengt Johansson, 2011, SAE Technical Paper Series. Society of Automotive Engineers

    Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceeding

  26. 2010
  27. How hythane with 25% Hydrogen can affect the Combustion in a 6-Cylinder Natural-Gas Engine

    Mehrzad Kaiadi, Per Tunestål & Bengt Johansson, 2010 Dec, In : SAE International Journal of Fuels and Lubricants. 3, 2, p. 47-59 13 p., 2010-01-1466.

    Research output: Contribution to journalArticle

  28. An advanced internal combustion engine concept for low emissions and high efficiency from idle to max load using gasoline partially premixed combustion

    Vittorio Manente, Claes Goeran Zander, Bengt Johansson, Per Tunestal & William Cannella, 2010, SAE Technical Papers. 21 p. 2010-01-2198

    Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceeding

  29. A Simulation Study Quantifying the Effects of Drive Cycle Characteristics on the Performance of a Pneumatic Hybrid Bus

    Sasa Trajkovic, Per Tunestål & Bengt Johansson, 2010, Proceedings of the ASME Internal Combustion Engine Division Fall Technical Conference. American Society Of Mechanical Engineers (ASME), p. 605-618

    Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceeding

  30. Characterization of Partially Premixed Combustion With Ethanol: EGR Sweeps, Low and Maximum Loads

    Vittorio Manente, Bengt Johansson & Per Tunestål, 2010, In : Journal of Engineering for Gas Turbines and Power. 132, 8

    Research output: Contribution to journalArticle

  31. Cylinder Individual Efficiency Estimation for Online Fuel Consumption Optimization

    Magnus Lewander, Per Tunestål & Bengt Johansson, 2010, Proceedings Of The ASME Internal Combustion Engine Division Fall Technical Conference. American Society Of Mechanical Engineers (ASME), p. 627-634

    Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceeding

  32. Dynamic Mapping of Diesel Engine through System Identification

    Maria Henningsson, Kent Ekholm, Petter Strandh, Per Tunestål & Rolf Johansson, 2010, Proceedings of the 2010 American Control Conference. IEEE - Institute of Electrical and Electronics Engineers Inc., p. 3015-3020 (American Control Conference. Proceedings).

    Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceeding

  33. Effects of ethanol and different type of gasoline fuels on partially premixed combustion from low to high load

    Vittorio Manente, Per Tunestal, Bengt Johansson & William J. Cannella, 2010, SAE Technical Papers. 13 p. 2010-01-0871

    Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceeding

  34. Extracting Cylinder Individual Combustion Data from a High Precision Torque Sensor

    Hans Aulin, Per Tunestål, Thomas Johansson & Bengt Johansson, 2010, Proceedings of the ASME Internal Combustion Engine Division Fall Technical Conference. American Society Of Mechanical Engineers (ASME), p. 619-625

    Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceeding

  35. HCCI Heat Release Data for Combustion Simulation, based on Results from a Turbocharged Multi Cylinder Engine

    Thomas Johansson, Patrick Borgqvist, Bengt Johansson, Per Tunestål & Hans Aulin, 2010, [Host publication title missing]. SAE, p. 1-17 17 p.

    Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceeding

  36. Improving Efficiency, Extending the Maximum Load Limit and Characterizing the Control-related Problems Associated with Higher Loads in a 6-Cylinder Heavy-duty Natural gas Engine

    Mehrzad Kaiadi, Per Tunestål & Bengt Johansson, 2010, Proceedings of the ASME 2010 Internal Combustion Engine Division Fall Technical Conference. American Society Of Mechanical Engineers (ASME), p. 885-892 8 p. ICEF2010-35012

    Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceeding

  37. In-Cycle Closed Loop Control Of The Fuel Injection On A 1-Cylinder Heavy Duty Ci-Engine

    Claes-Göran Zander, Per Tunestål, Ola Stenlåås & Bengt Johansson, 2010, Proceedings of the ASME Internal Combustion Engine Division Fall Technical Conference. American Society Of Mechanical Engineers (ASME), p. 405-414

    Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceeding

  38. Influence of inlet pressure, EGR, combustion phasing, speed and pilot ratio on high load gasoline partially premixed combustion

    Vittorio Manente, Bengt Johansson, Per Tunestal & William J. Cannella, 2010, SAE Technical Papers. 23 p. 2010-01-1471

    Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceeding

  39. Modeling and Model-Based Control of Homogeneous Charge Compression Ignition (HCCI) Engine Dynamics

    Rolf Johansson, Per Tunestål & Anders Widd, 2010, Lecture notes in Control and Information Sciences: Automotive Model Predictive Control. Springer, Vol. 402. p. 89-104 16 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapter

  40. Model Predictive Control of Partially Premixed Combustion

    Per Tunestål & Magnus Lewander, 2010, Automotive Model Predictive Control. del Re, L., Allgöwer, F., Glielmo, L. & Kolmanovsky, I. (eds.). Springer, Vol. 402. p. 171-181 11 p. (Lecture Notes in Control and Information Sciences).

    Research output: Chapter in Book/Report/Conference proceedingBook chapter

  41. Study of a heavy duty Euro5 EGR-engine sensitivity to fuel change with emphasis on combustion and emission formation

    Claes Göran Zander, Ola Stenlåås, Per Tunestål & Bengt Johansson, 2010, SAE Technical Papers. 12 p. 2010-01-0872

    Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceeding

  42. Transient Control of Combustion Phasing and Lambda in a Six-Cylinder Port-Injected Natural-Gas Engine

    Mehrzad Kaiadi, Magnus Lewander, Patrick Borgqvist, Per Tunestål & Bengt Johansson, 2010, In : Journal of Engineering for Gas Turbines and Power. 132, 9

    Research output: Contribution to journalArticle

  43. Turbocharging to extend HCCI Operating Range in a Multi Cylinder Engine- Benefits and Limitations

    Thomas Johansson, Bengt Johansson, Per Tunestål & Hans Aulin, 2010, [Host publication title missing]. FISITA, p. 1-14

    Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceeding

  44. Unburned Hydro Carbon (HC) estimation using a self-tuned heat release method

    Mehrzad Kaiadi, Per Tunestal & Bengt Johansson, 2010, In : SAE Technical Papers.

    Research output: Contribution to journalArticle

  45. Vehicle driving cycle simulation of a pneumatic hybrid bus based on experimental engine measurements

    Sasa Trajkovic, Per Tunestål & Bengt Johansson, 2010, In : SAE Technical Papers.

    Research output: Contribution to journalArticle

  46. 2009
  47. Effects of Different Type of Gasoline Fuels on Heavy Duty Partially Premixed Combustion

    Vittorio Manente, Bengt Johansson, Per Tunestål & William Cannella, 2009 Nov 2, In : SAE International Journal of Engines. 2, 2, p. 71-88 18 p., 2009-01-2668.

    Research output: Contribution to journalArticle

  48. The Effect of Intake Temperature in a Turbocharged Multi Cylinder Engine Operating in HCCI Mode

    Thomas Johansson, Per Tunestål, Bengt Johansson & Hans Aulin, 2009 Sep 13, In : SAE International Journal of Engines. 2, 2, p. 452-466 15 p., 2009-24-0060.

    Research output: Contribution to journalArticle

  49. Using Hythane as a Fuel in a 6-Cylinder Stoichiometric Natural-gas Engine

    Mehrzad Kaiadi, Per Tunestål & Bengt Johansson, 2009 Jun 15, In : SAE International Journal of Fuels and Lubricants. 2, 1, p. 932-939 8 p., 2009-01-1950.

    Research output: Contribution to journalArticle

  50. A Fast Physical NOx Model Implemented on an Embedded System

    Carl Wilhelmsson, Per Tunestål, Anders Widd & Rolf Johansson, 2009, Proc. IFAC Workshop on Engine and Powertrain Control, Simulation and Modeling (ECOSM 2009), Nov 30-Dec 2, 2009, Malmaison, Rueil, France. IFAC, 9 p.

    Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceeding

  51. A Physical Two-Zone NOx Model Intended for Embedded Implementation

    Bengt Johansson, Carl Wilhelmsson, Per Tunestål, Rolf Johansson & Anders Widd, 2009, SAE Technical Papers. SAE, 11 p.

    Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceeding

  52. Automotive Control

    Luca Benvenuti, Andrea Balluchi, Alberto Bemporad, Stefano Di Cairano, Bengt Johansson, Rolf Johansson, Alberto L. Sangiovanni-Vincentelli & Per Tunestål, 2009, Handbook of Hybrid Systems and Control, Theory – Tools – Applications. 1 ed. Cambridge University Press, p. 439-470 31 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapter