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Individual Information
 
 

Pawel Olejnik
Assistant Professor
Biomechanics and Mechatronics, Department of Automation,Lodz University of Technology

Web Page: www.oleyneec.com/cv
Educational Qualification
From 09/1990 to 06/1995, B.Sc. in Machining, Technical College in Zdunska Wola , Poland
From 10/1995 to 07/2000, M.Sc. in Computer Physics, Lodz University of Technology , Poland
From 10/1999 to 12/2002, Ph.D. in Mechanics, Lodz University of Technology , Poland
Research Interests
applied mechanics (dry friction laws, vibrations of multibody systems, continuous and discontinuous dynamics)
automatic control (fixed position control, adaptive control, sliding surface method, classical control, cost function optimization)
modeling and simulation (modeling of vibrations, visualization of bifurcations and chaos, derivation of system equations, numerical simulation in LabVIEW, Python, Scilab and Matlab)
signal processing (discrete Kalman filter, identification of parameters, measurement and data acquisition, programming of microprocessors on embedded systems)
numerical methods (coding in Python, solution of ordinary differential equations, solving of optimization problems)
Work Experience
From 10/2000 to 12/2002, Research Assistant , Lodz University of Technology, Faculty of Mechanical Engineering
From 01/2003 to 11/2013, Ph.D. , Lodz University of Technology, Faculty of Mechanical Engineering
From 12/2013 to present, Assistant Professor , Lodz University of Technology, Faculty of Mechanical Engineering
Projects
From 2012 to present, AppEngine based conference service
Webapplication for servicing of participants of the DSTA conferences.
Selected Publications
Books
1. 'Numerical Methods of Solution, Analysis and Control of Discontinuous Dynamical Systems', Scientific Books of Lodz University of Technology, No. 1151, Lodz 2013, 117p. (in Polish), Book Authors: P. Olejnik
2. 'Mathematical and Numerical Methods of Analysis of Bifurcation and Chaotic Dynamics of Mechanical Systems with Friction and Impacts', Lodz University of Technology Press, 2006, 110p. (in Polish), Book Authors: J. Awrejcewicz, Yu. Pyryev, G. Kudra, P. OLejnik.
Journal Articles
1. 'Application of Henon method in numerical estimation of the stick-slip transitions existing in Filippov-type discontinuous dynamical systems with dry friction', Nonlinear Dynamics, 73(1-2), pp 723-736, 2013, doi: 10.1007/s11071-013-0826-7, Authors: P. Olejnik, J. Awrejcewicz.
2. 'Low-speed voltage-input tracking control of a DC-motor numerically modelled by a dynamical system with stick-slip friction', Differential Equations and Dynamical Systems, Springer India, 21(1-2), pp 3-13, 2012, doi: 10.1007/s12591-012-0114-x, Authors: P. Olejnik, J. Awrejcewicz.
3. 'Solution of the Kalman filtering problem in control and modeling of a double inverted pendulum with rolling friction', PAR Poland, 1(2013), pp 63-70, 2013, Authors: P. Olejnik, J. Awrejcewicz, M. Nielaczny.
4. 'One-dimensional discrete LQR control of compression of the human chest impulsively loaded by fast moving point mass', Communications in Nonlinear Science and Numerical Simulation, Special Issue of DSTA2009 Conference, 16(5) 2011, pp. 2225-2229, doi:10.1016/j.cnsns.2010.04.058, Authors: P. Olejnik, J. Awrejcewicz.
5. 'Reduction of deformation in a spring-mass realisation of human chest occurred after action of impact', Journal of KONES Powertrain and Transport 17(1) 2010, pp.327-335, Authors: P. Olejnik, J. Awrejcewicz.
6. 'Numerical and experimental study of regular and chaotic motion of triple physical pendulum', International J. Bifurcation and Chaos 18(10) 2008, doi: 10.1142/S0218127408022159, pp.2883-2915, Authors: J. Awrejcewicz, B. Supel, C. Lamarque, G. Kudra, W. Wasilewski, P. Olejnik.
7. 'Occurrence of stick-slip phenomenon', J. Theoretical and Applied Mechanics 45(1) 2007, pp.33-40, Authors: J. Awrejcewicz, P. Olejnik.
8. 'Active control of two degrees-of-freedom building-ground system', Archives of Control Sciences 17(4) 2007, pp.393-408, Authors: J. Awrejcewicz, P. Olejnik.
9. 'Bifurcations of planar sliding homoclinics', Mathematical Problems in Engineering Vol. 2006, Hindawi Publishing Corporation, doi: 10.1155/MPE/2006/85349, pp.1-13, Authors: J. Awrejcewicz, M. Feckan, P. Olejnik.
10. 'Friction pair modeling by 2-dof system: numerical and experimental investigations', Special Issue of International J. Bifurcation and Chaos 15(6) 2005, doi: 10.1142/S021812740501306X, pp.1931-1944, Authors: J. Awrejcewicz, P. Olejnik.
11. 'On continuous approximation of discontinuous systems', Nonlinear Analysis: Theory, Methods & Applications 62(7) 2005, pp.1317-1331, doi:10.1016/j.na.2005.04.033, Authors: J. Awrejcewicz, M. Feckan, P. Olejnik.
12. 'Analysis of dynamic systems with various friction laws', Applied Mechanics Reviews - Transactions of ASME 58(6), 2005, pp.389-411, doi:10.1016/j.na.2005.04.033, Authors: J. Awrejcewicz, P. Olejnik.
13. 'Stick-slip dynamics of a two-degree-of-freedom system', International J. Bifurcation and Chaos 13(4) 2003, doi: 10.1142/S0218127403006960, pp.843-861, Authors: J. Awrejcewicz, P. Olejnik.
14. 'Numerical analysis of self-excited by friction chaotic oscillations in two-degrees-of-freedom system using exact Henon method', Machine Dynamics Problems 26(4) 2002, pp.9-20, Authors: J. Awrejcewicz, P. Olejnik.
15. 'Mathematical model, computer aided design and programming of a multifunctional flying object', Aviation, 18(1), pp 28-39, 2014, doi: 10.3846/16487788.2014.865941. Authors: E. Czerwinski, M. Szewc, I. Wojtunik, J. Awrejcewicz, P. Olejnik.
16. 'Time delays in numerical modeling of frontal thoracic blast pressure wave responses', International Journal of Dynamics and Control, doi: 10.1007/s40435-014-0102-9, Authors: P. Olejnik, J. Awrejcewicz.
17. 'An approximation method for the numerical solution of planar discontinuous dynamical systems with stick-slip friction', Applied Mathematical Sciences, Hikari Ltd, doi: 10.12988/ams.2014.44282, 8(145) 2014, pp. 7213-7238, Authors: P. Olejnik, J. Awrejcewicz.
Conference Papers
1. 'Modeling of time delays in numerical solution of an uncertain large-scale system', Dynamical Systems - Applications, Eds. J. Awrejcewicz, M. Kazmierczak, P. Olejnik, J. Mrozowski, Publishing House of Lodz University of Technology, 2013, pp. 515-526. Authors: P. Olejnik, J. Awrejcewicz.
2. 'Efficiency of a PLC-based PI controller in stabilization of a rotational motion affected by the chaotic disturbances', Dynamical Systems - Applications, Eds. J. Awrejcewicz, M. Kazmierczak, P. Olejnik, J. Mrozowski, Publishing House of Lodz University of Technology, 2013, pp. 173-184. Authors: M. Kunikowski, J. Awrejcewicz, P. Olejnik.
3. 'Dynamic modelling of an unicycle with the drive assistance system', International Conference on Mechatronics, Ideas for Industrial Applications, May 16-18, 2012, Warsaw Poland, 6p. on CD-Rom. Authors: P. Olejnik, J. Awrejcewicz, M. Nielaczny.
4. 'Control of periodically changing rotational velocity of a DC-motor modeled by a dynamical system with stick-slip friction' in Dynamical Systems - Nonlinear Dynamics and Control. Proceedings of 11. Conf. on Dyn. Systems - Theory and Apps., DSTA-2011, Lodz Poland, December 5-8, 2011, pp.163-170 (extended in a journal special issue). Authors: P. Olejnik, J. Awrejcewicz.
5. 'On the performance index optimization of a rheological dynamical system via numerical active control', IUTAM Bookseries, Springer Netherlands, 2011. Eds.: Stepnn G., Kovacs L., Toth A., 'IUTAM Symposium on Dynamics Modeling and Interaction Control in Virtual and Real Environments' pp. 185-195. Authors: P. Olejnik, J. Awrejcewicz.
6. 'Active control of a rheologically modelled human chest with the use of LQR method', Proceedings of 10. Conf. on Dyn. Systems - Theory and Apps., DSTA-2009, Lodz Poland, December 7-10, 2009, pp.867-872 (extended in a journal special issue). Authors: P. Olejnik, J. Awrejcewicz.
7. 'Some bifurcations of a floating sliding region', Proceedings of 9. Conf. on Dyn. Systems - Theory and Apps., DSTA-2007, Lodz Poland, December 17-20, 2007, pp.631-640. Authors: J. Awrejcewicz, P. Olejnik.
8. 'Simple control of a 2-dof mechanical system with an approximated frictional discontinuity and stochastic kinematic excitation', 53. IWK Prospects in Mechanical Engineering, Ilmenau Germany, September 8-12 2008, 16p. Authors: J. Awrejcewicz, P. Olejnik.
9. 'Active control of a two degrees-of-freedom building-ground system', Proceedings of 8th Conf. on Active Noise and Vibration Control Methods, Cracow-Krasiczyn Poland, June 11-14, 2007, pp.136-145 (extended in a journal special issue). Authors: J. Awrejcewicz, P. Olejnik.
10. 'Chaos in a three degrees-of-freedom mechanical system: experimental and numerical investigations', Proceedings of the 11. International Conf. on Vibration Engineering, Timisoara Romania, September 27-30, 2005, pp.103-108. Authors: J. Awrejcewicz, P. Olejnik.
11. 'Sliding solutions of a simple two degrees-of-freedom dynamical system with friction', Proceedings of 5. EUROMECH Nonlinear Dynamics Conf. ENOC2005, Eindhoven, Netherlands, August 7-12, 2005, pp.277-282. Authors: J. Awrejcewicz, P. Olejnik, M. Feckan.
12. 'Numerical and experimental study of regular and chaotic behavior of triple physical pendulum', Proceedings of 5. EUROMECH Nonlinear Dynamics Conf. ENOC2005, Eindhoven The Netherlands, August 7-12, 2005, pp.1817-1824.
13. 'Mathematical modeling and simulation of a girling duo-servo brake', Summer School on Applications of Mathematics in Engineering and Economics AMEE'03, 30. Jubilee International Conf., Sozopol, Technical University of Sofia (Bulgaria), June 7-11, 2004, pp.219-226. Authors: J. Awrejcewicz, P. Olejnik.
14. 'Occurrence of stick-slip phenomenon in a real laboratory rig', Proceedings of 7. Conf. on Dyn. Systems - Theory and Apps., DSTA-2003, Lodz Poland, December 8-11, 2003, pp.131-138 (extended in a journal special issue). Authors: J. Awrejcewicz, P. Olejnik.
15. 'Numerical and experimental investigations of simple nonlinear system modeling a girling duo-servo brake mechanism', Proceedings of Design Engineering Technical Conferences and Computers and Information in Engineering Conf. DETC'03 ASME, Chicago Illinois USA, September 2-6, 2003, 7p. Authors: J. Awrejcewicz, P. Olejnik.
16. 'Modeling and simulation of non-smooth mechanical systems', PHYCON '03: Proceedings of the 2003 International Conference on Physics and Control - Vol. 4 (August 20-22, 2003), IEEE Computer Society, Washington, DC, USA, pp.1147-1158. Authors: J. Awrejcewicz, P. Olejnik.
17. 'Stability investigation using gradient method to solve nonlinear algebraic system equations', Proceedings of 6. Conf. on Dyn. Systems - Theory and Apps., DSTA-2001, Lodz Poland, December 10-12, 2001, pp.173-178. Authors: J. Awrejcewicz, P. Olejnik.
18. 'Stick-slip phases in a system with friction', Proceedings of Euroconf. on Computational Mechanics and Engineering Practice, Szczyrk Poland, September 19-21, 2001, pp.114-119. Authors: J. Awrejcewicz, P. Olejnik.
19. 'Stick-slip dynamics in a two-degree-of-freedom system', Proceedings of Design Engineering Technical Conferences and Computers and Information in Engineering Conference DETC'01 ASME, Pittsburgh Pennsylvania USA, September 9-12, 2001, 9p. Authors: J. Awrejcewicz, P. Olejnik.
20. 'Magnetic levitation of a light cylindrical-shape mass with control of damping of the transition-state vibrations', Proceedings of the XXIV Symposium on Vibrations in Physical Systems, May 12-15, 2010, Poznan-Bedlewo Poland, pp.301-306. Authors: P. Olejnik, J. Awrejcewicz.
21. 'Bifurcations of solutions around a floating sliding region of the 1-DOF dynamical system with harmonical excitation', Abstracts of the 1st Polish Congress of Mechanics, August 28-31, 2007, Warsaw, p.156 in Abstracts, 9p. (No. P0053) on CD-Rom. Authors: J. Awrejcewicz, P. Olejnik.
22. 'Bifurcations of both sliding phase and periodic orbits in a two-dimensional mechanical system', Proceedings of the 11. Scientific Conf. on Vibro-Acoustics and Vibro-Technics, WIBROTECH 2005, November 3-4, 2005, Warsaw Poland, pp.17-26, in Polish. Authors: J. Awrejcewicz, P. Olejnik.
23. 'The time series modification after calculating of Lyapunov exponents', Proceedings of the XVIII Polish Scientific Conf. on Theory of Machines and Mechanisms, Wroclaw-Ladek Zdroj Poland, September 18-20, 2002. Contributed in Scientific Research of The Department of Construction and Machines Exploitation, Technical University Press 85(25), Wroclaw Poland, 2002, pp.35-40. Authors: J. Awrejcewicz, P. Olejnik.
24. 'Chaos and hyper-chaos in a self-excited system of two degrees-of-freedom with friction', Proceedings of the 5. School on Modal Analysis, Cracow Poland, December 12-14, 2000, pp.15-24, in Polish. Authors: J. Awrejcewicz, P. Olejnik.
25. 'Analog electronic test board for an estimation of time characteristics of the basic elements of automatic control Systems', Mechatronics - Ideas for Industrial Application, Eds. J. Awrejcewicz, R. Szewczyk, M. Trojnacki, M. Kaliczyńska, Springer International Publishing, Series: Advances in Intelligent Systems and Computing 317, 2015, pp. 111-124
26. 'Programming and computer simulation of an experimental station for automatic launching of badminton shuttlecocks', Mechatronics - Ideas for Industrial Application, Eds. J. Awrejcewicz, R. Szewczyk, M. Trojnacki, M. Kaliczyńska, Springer International Publishing, Series: Advances in Intelligent Systems and Computing 317, 2015, pp. 65-80

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