Journal articles

[1] G.-O. Kaasa, O. Stamnes, L. Imsland, and O. Aamo. Simplified hydraulic model used for intelligent estimation of downhole pressure for an MPD control system. SPE Drilling & Completion, 2011. Submitted.

[2] L. Imsland, P. Kittilsen, and T. Schei. Model-Based Optimizing Control and Estimation Using Modelica Models. Modeling, Identification and Control, 31(3):107–121, 2010.

[3] H. F. Grip, T. A. Johansen, L. Imsland, and G.-O. Kaasa. Parameter estimation and compensation in systems with nonlinearly parameterized perturbations. Automatica, 46(1):19–28, 2010.

[4] H. F. Grip, L. Imsland, T. A. Johansen, J. C. Kalkkuhl, and A. Suissa. Vehicle sideslip estimation design, implementation, and experimental validation. IEEE Control Systems Magazine, 29:36–52, 2009.

[5] L. Imsland, J. A. Rossiter, B. Pluymers, and J. Suykens. Robust triple mode MPC. Internat. J. Control, 81(4):679–689, 2008.

[6] H. F. Grip, L. Imsland, T. A. Johansen, T. I. Fossen, J. C. Kalkkuhl, and A. Suissa. Nonlinear vehicle side-slip estimation with friction adaptation. Automatica, 44(3):611–622, 2008.

[7] K. E. Colombo, L. Imsland, O. Bolland, and S. Hovland. Dynamic modelling of an oxygen mixed conducting membrane and model reduction for control. Journal of Membrane Science, 336:50–60, 2009.

[8] R. Kandepu, B. A. Foss, and L. Imsland. Applying the unscented Kalman filter for nonlinear state estimation. J. Proc. Contr., 18(7–8):753–768, 2008.

[9] L. Imsland, H. F. Grip, T. A. Johansen, and T. I. Fossen. On nonlinear unknown input observers – applied to lateral velocity vehicle velocity estimation on banked roads. Internat. J. Control, 80(11):1741–1750, 2007.

[10] L. Imsland, T. A. Johansen, T. I. Fossen, H. F. Grip, J. Kalkkuhl, and A. Suissa. Vehicle velocity estimation using nonlinear observers. Automatica, 42(12):2091–2103, 2006.

[11] R. Kandepu, L. Imsland, B. A. Foss, C. Stiller, B. Thorud, and O. Bolland. Modeling and control of a sofc-gt based autonomous power system. Energy, 32(4):406–417, 2007.

[12] D. Snarheim, L. Imsland, B. A. Foss, R. Ulfsnes, and O. Bolland. Control design for a gas turbine cycle with co2 capture capabilities. MIC—Model. Identif. Control, 27:57–66, 2006.

[13] R. Kandepu, L. Imsland, C. Stiller, B. A. Foss, and V. Kariwala. Control-relevant modeling and simulation of a sofc-gt hybrid system. MIC—Model. Identif. Control, 27:143–156, 2006.

[14] C. Stiller, B. Thorud, O. Bolland, R. Kandepu, and L. Imsland. Control strategy for a solid oxide fuel cell and gas turbine hybrid system. Journal of power sources, 158(1):303–315, 2006.

[15] L. Imsland, N. Bar, and B. A. Foss. More efficient predictive control. Automatica, 41(8), 2005.

[16] L. Imsland, D. Snarheim, B. A. Foss, R. Ulfsnes, and O. Bolland. Control issues in the design of a gas turbine cycle for CO₂ capture. International Journal of Green Energy, 2(2), 2005.

[17] L. Imsland, G. O. Eikrem, and B. A. Foss. A state feedback controller for a class of nonlinear positive systems applied to stabilization of gas-lifted oil wells. Control Engineering Practice, 2005. Accepted.

[18] R. Findeisen, L. Imsland, F. Allgöwer, and B. A. Foss. State and output feedback nonlinear model predictive control: An overview. European J. of Control, 9(2-3):190–206, 2003.

[19] L. Imsland, R. Findeisen, E. Bullinger, F. Allgöwer, and B. A. Foss. A note on stability, robustness and performance of output feedback nonlinear model predictive control. J. Proc. Contr., 13:633–644, 2003.

[20] L. Imsland, R. Findeisen, F. Allgöwer, and B. A. Foss. Output feedback stabilization with nonlinear predictive control: asymptotic properties. MIC—Model. Identif. Control, 24(3):169–179, 2003.

[21] R. Findeisen, L. Imsland, F. Allgöwer, and B. A. Foss. Output feedback stabilization for constrained systems with nonlinear model predictive control. Internat. J. Robust Nonlinear Control, 13(3-4):211–227, 2003.

[22] L. Imsland. Discussion on “Robust Controller Design for Uncertain Nonlinear Systems via Fuzzy Modelling Approach with Application to the Stabilization of Power Systems” by F. Zheng and P.M. Frank. European J. of Control, 8(6):551–552, 2002.

[23] L. Imsland, O. Slupphaug, and B. A. Foss. Piecewise affine observer-based robust controllers for constrained nonlinear systems. MIC—Model. Identif. Control, 22(4):211–225, 2001.

[24] O. Slupphaug, L. Imsland, and B. A. Foss. Uncertainty modelling and robust output feedback control of nonlinear discrete systems: a mathematical programming approach. Internat. J. Robust Nonlinear Control, 10(13):1129–1152, 2000.

Book chapters

[25] L. Imsland, H. F. Grip, T. A. Johansen, T. I. Fossen, J. C. Kalkkuhl, and A. Suissa. Nonlinear observer for lateral velocity with friction and road bank adaptation – validation and comparison with an extended kalman filter. SAE 2007 Transactions Journal of Passenger Cars - Mechanical Systems, 2008. Paper No. 2007-01-0808.

[26] L. Imsland, T. A. Johansen, T. I. Fossen, J. C. Kalkkuhl, and A. Suissa. Nonlinear observer for vehicle velocity estimation. SAE 2006 Transactions Journal of Passenger Cars - Mechanical Systems, 2007. Paper No. 2006-01-1282.

[27] L. Imsland and B. Foss. State feedback stabilization for a class of nonlinear systems. In L. Benvenuti, A. D. Santis, and L. Farina, eds., Positive Systems, Lectures Notes in Control and Information Sciences, pp. 337–344. Springer-Verlag, New York, 2003.

[28] R. Findeisen, L. Imsland, F. Allgöwer, and B. A. Foss. Towards a sampled-data theory for nonlinear model predictive control. In C. Kang, M. Xiao, and W. Borges, eds., New Trends in Nonlinear Dynamics and Control, and their Applications, no. 295 in Lecture Notes in Control and Information Sciences, pp. 295–313. Springer-Verlag, New York, 2003.

Conference publications

[29] A. Willersrud, L. Imsland, S. O. Hauger, and P. Kittilsen. Short-term production optimization of offshore oil and gas production using nonlinear model predictive control. In Proc. 18th IFAC World Congress, Milano, Italy. 2011.

[30] M. Paasche, T. A. Johansen, and L. Imsland. Estimation of bottomhole pressure during oil well drilling using regularized adaptive nonlinear moving horizon observer. In Proc. 18th IFAC World Congress, Milano, Italy. 2011.

[31] J. Maree and L. Imsland. On combining economical performance with control performance in nmpc. In Proc. 18th IFAC World Congress, Milano, Italy. 2011.

[32] J. Haugen, L. Imsland, S. Lœset, and R. Skjetne. Ice observer system for ice management operations. In Proc. 21st International Offshore (Ocean) and Polar Engineering Conference (ISOPE), Maui, Hawaii. 2011.

[33] G.-O. Kaasa, O. Stamnes, L. Imsland, and O. Aamo. Intelligent estimation of downhole pressure using simplified hydraulic model. In 2011 IADC/SPE Managed Pressure Drilling & Underbalanced Operations Conference & Exhibition, Denver, USA. 2011.

[34] A. Pavlov, G.-O. Kaasa, and L. Imsland. Experimental disturbance rejection on a full-scale drilling rig. In Proc. of IFAC NOLCOS 2010, Bologna, Italy. 2010.

[35] R. Ringset, L. Imsland, and B. A. Foss. On gradient computation in single-shooting nonlinear model predictive control. In Proc. of IFAC DYCOPS 2010, Leuven, Belgium. 2010.

[36] L. Imsland, P. Kittilsen, and T. S. Schei. Using Modelica models in real time dynamic optimization – gradient computation. In Proc. of Modelica’2009, Como, Italy. 2009.

[37] H. F. Grip, L. Imsland, T. A. Johansen, J. C. Kalkkuhl, and A. Suissa. Estimation of road inclination and bank angle in automotive vehicles. In Proc. Amer. Contr. Conf. St. Louis, Missouri, USA, 2009.

[38] D. Snarheim, L. Imsland, and B. A. Foss. Active control of oxy-fuel combustion using preflame co2-injection. In Proceedings of European Control Conference ECC’ 09. Budapest, Hungary, 2009.

[39] L. Imsland, P. Kittilsen, and T. S. Schei. Model-based optimizing control and estimation using modelica models. In Proc. of Modelica’2008, Bielefeld, Germany. 2008.

[40] H. F. Grip, T. A. Johansen, and L. Imsland. Estimation and control for systems with nonlinearly parametrized perturbations. In Proc. 17th IFAC World Congress, Seoul, Korea. 2008.

[41] R. Kandepu, L. Imsland, and B. A. Foss. Constrained state estimation using the unscented kalman filter. In Proc. 16th Mediterranean Conference on Control and Automation. Ajaccio, France, 2008.

[42] L. Imsland, H. F. Grip, T. A. Johansen, T. I. Fossen, J. C. Kalkkuhl, and A. Suissa. Nonlinear observer for lateral velocity with friction and road bank adaptation – validation and comparison with an extended kalman filter. In Proc. SAE World Congress. 2007.

[43] R. Kandepu, B. Huang, L. Imsland, and B. A. Foss. Comparative study of state estimation of fuel cell hybrid system using UKF and EKF. In Proceedings of The Sixth IEEE Conference on Control and Automation (ICCA). Guangzhou, China, 2007.

[44] D. Snarheim, L. Imsland, and B. A. Foss. Control-relevant modelling and linear analysis of instabilities in oxy-fuel combustion. In Proceedings of European Control Conference ECC’ 07. Kos, Greece, 2007.

[45] G. Nygaard, L. Imsland, and E. Johannessen. Using NMPC based on a low-order model for controlling pressure during oil well drilling. In Proceedings of 8th International Symposium on Dynamics and Control of Process Systems (DYCOPS). Cancun, Mexico, 2007.

[46] R. Kandepu, B. Huang, B. A. Foss, and L. Imsland. State estimation of SOFC/GT hybrid system using UKF. In Proceedings of 8th International Symposium on Dynamics and Control of Process Systems (DYCOPS). Cancun, Mexico, 2007.

[47] H. F. Grip, L. Imsland, T. A. Johansen, T. I. Fossen, J. C. Kalkkuhl, and A. Suissa. Nonlinear vehicle velocity observer with road-tire friction adaptation. In Proc. 45th IEEE Conf. Decision Contr. San Diego, 2006.

[48] R. Kandepu, L. Imsland, and B. A. Foss. Modeling and control of a sofc-gt hybrid system with single shaft configuration. In Proc. of ICEPAG06. Newport Beach, USA, 2006.

[49] L. Imsland, J. A. Rossiter, B. Pluymers, and J. Suykens. Robust triple mode MPC. In Proc. Amer. Contr. Conf. Minneapolis, USA, 2006.

[50] L. Imsland, T. A. Johansen, T. I. Fossen, J. C. Kalkkuhl, and A. Suissa. Nonlinear observer for vehicle velocity estimation. In Proc. SAE World Congress. 2006.

[51] L. Imsland. On the dynamics and control of two oxyfuel cycles for CO₂ capture. In Proc. of GHGT-8. Trondheim, Norway, 2006.

[52] R. Kandepu, B. A. Foss, and L. Imsland. Integrated modelling and control of a load-connected SOFC-GT autonomous power system. In Proc. Amer. Contr. Conf. Minneapolis, USA, 2006.

[53] L. Imsland, H. F. Grip, C. Böhm, T. A. Johansen, T. I. Fossen, J. C. Kalkkuhl, and A. Suissa. Nonlinear observer for vehicle lateral velocity. In Workshop on Automotive Systems and Control. Lund, Sweden, 2006.

[54] L. Imsland, T. A. Johansen, T. I. Fossen, J. Kalkkuhl, and A. Suissa. Vehicle velocity estimation using nonlinear observers. In Proc. 44th IEEE Conf. Decision Contr. 2005.

[55] L. Imsland and J. A. Rossiter. Time varying terminal control. In Proc. 16th IFAC World Congress, Prague, Czech Republic. 2005.

[56] D. Snarheim, L. Imsland, R. Ulfsnes, O. Bolland, and B. A. Foss. Control design for a gas turbine plant with CO₂ capture capabilities. In Proc. 16th IFAC World Congress, Prague, Czech Republic. 2005.

[57] R. Kandepu, L. Imsland, C. Stiller, B. Thorud, O. Bolland, and B. A. Foss. Control-relevant sofc modeling and model evaluation. In ECOS 2005, Trondheim, Norway. 2005.

[58] L. Imsland, D. Snarheim, R. Ulfsnes, O. Bolland, and B. A. Foss. Modeling and control of a O₂/CO₂ gas turbine cycle for CO₂ capture. In 7th IFAC Symposium on Dynamics and Control of Process Systems, DYCOPS-7. Boston, USA, 2004.

[59] L. Imsland, N. Bar, and B. A. Foss. A new algorithm for efficient MPC and a comparison with competing schemes. In Proc. Amer. Contr. Conf. Boston, USA, 2004.

[60] G. O. Eikrem, L. Imsland, and B. A. Foss. Stabilization of gas lifted wells based on state estimation. In proceedings of ADCHEM. Hong Kong, 2003.

[61] L. Imsland and B. A. Foss. Set stabilization of a class of positive systems. In proceedings of ADCHEM. Hong Kong, 2003.

[62] L. Imsland, B. A. Foss, and G. O. Eikrem. A state feedback controller for a class of positive systems: Application to gas lift stabilization. In Proc. 7th European Control Conference ECC’03. Cambridge, England, 2003.

[63] R. Findeisen, L. Imsland, F. Allgöwer, and B. A. Foss. Output-feedback nonlinear model predictive control using high-gain observers in original coordinates. In Proc. 7th European Control Conference ECC’03. Cambridge, England, 2003.

[64] L. Imsland, R. Findeisen, F. Allgöwer, and B. A. Foss. Output feedback stabilization with nonlinear predictive control - asymptotic properties. In Proc. Amer. Contr. Conf. Denver, Colorado, 2003.

[65] R. Findeisen, L. Imsland, F. Allgöwer, and B. A. Foss. Output feedback nonlinear predictive control - a separation principle approach. In Proceedings of the IFAC 15th World Congress. Barcelona, Spain, 2002.

[66] G. O. Eikrem, B. A. Foss, L. Imsland, H. Bin, and M. Golan. Stabilization of gaslifted wells. In Proc. 15th IFAC World Congress, Barcelona, Spain. 2002.

[67] L. Imsland, R. Findeisen, E. Bullinger, F. Allgöwer, and B. A. Foss. On output feedback nonlinear model predictive control using high gain observers for a class of systems. In 6th IFAC Symposium on Dynamics and Control of Process Systems, DYCOPS-6, pp. 91–96. Jejudo, Korea, 2001.

[68] L. Imsland, O. Slupphaug, and B. A. Foss. Piecewise affine observer-based robust controllers for constrained nonlinear systems. In Proc. 6th European Control Conference ECC’01. Porto, Portugal, 2001.

[69] L. Imsland, O. Slupphaug, and B. A. Foss. Robust observer-based output feedback for nonlinear discrete-time systems with constraints. In Proceedings of the 5th IFAC Nonlinear Control Systems Design Symposium (NOLCOS). St. Petersburg, Russia, 2001.