P. Olejnik, J. Awrejcewicz: "Effectiveness of the sliding mode control in a two coupled discontinuous dynamical systems with dry friction", Solid State Phenomena, Trans Tech Publications Inc., 248: 'Active Noise and Vibration Control', 2016, pp 77-84, see at Trans Tech Pub website.
P. Olejnik, D. Lewandowski, J. Awrejcewicz: "Modelowanie i Optymalizacja Dyskretnych Układów Mechatronicznych", Monographs of Lodz University of Technology, Lodz 2015, 193 p., ISBN 978-83-7283-690-8, see on CYBRA.
E. Czerwiński, P. Olejnik, J. Awrejcewicz: "Modeling and parameter identification of vibrations of a double torsion pendulum with friction", Acta Mechanica et Automatica, 9(4) 2015, pp 209-217, AMeA website, pdf, doi: 10.1515/ama-2015-0033
J. Awrejcewicz, P. Olejnik: "Identification of a non-linear damping coefficient characteristics in the free decay test of a single pendulum with friction", 13th Int. Conference on Dynamical Systems — Theory and Applications (DSTA), December 7-10, 2015, Lodz (Poland), published in 'Dynamical Systems — Mechatronics and Life Sciences', Eds. J. Awrejcewicz, M. Kaźmierczak, J. Mrozowski, P. Olejnik, ARSA Publishing, Lodz, 2015, pp 23-36, pdf
W. Kunikowski, E. Czerwiński, P. Olejnik, J. Awrejcewicz: "An overview of ATmega AVR microcontrollers used in scientific research and industrial applications", Pomiary Automatyka Robotyka, Poland, 19(1) 2015, pp 15-20, doi: 10.14313/PAR_215/15, pdf
V. Pilipchuk, P. Olejnik, J. Awrejcewicz: "Transient friction-induced vibrations in a 2-DOF model of brakes", Journal of Sound and Vibration, Elsevier, 344, 2015, pp 297-312, doi: 10.1016/j.jsv.2015.01.028
P. Olejnik, J. Awrejcewicz, M. Fečkan: "An approximation method for the numerical solution of planar discontinuous dynamical systems with stick-slip friction", Applied Mathematical Sciences, Hikari Ltd, 8(145) 2014, pp 7213-7238, 10.12988/ams.2014.44282, pdf
P. Olejnik, J. Awrejcewicz: "Time delays in numerical modeling of frontal thoracic blast pressure wave responses", pdf
P. Olejnik, D. Kociak, J. Awrejcewicz: "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, doi: 10.1007/978-3-319-10990-9_11
J. Awrejcewicz, J. Mrozowski, M. Każmierczak, P. Olejnik:"Numerical Methods of Solution, Analysis and Control of Discontinuous Dynamical Systems, Scientific Books of Lodz University of Technology", 1151, Lodz 2013, 117 p., in Polish: Metody Numeryczne Rozwiązywania, Analizy i Kontroli Nieciągłych Układów Dynamicznych, see on CYBRA
J. Karamuz, P. Olejnik, J. Awrejcewicz: "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, doi: 10.1007/978-3-319-10990-9_7
E. Czerwiński, M. Szewc, I. Wojtunik, J. Awrejcewicz, P. Olejnik: "Mathematical model, computer aided design and programming of a multifunctional flying object link
P. Olejnik, J. Awrejcewicz, M. Niełaczny: "Solution of the Kalman filtering problem in control and modeling of a double inverted pendulum with rolling friction", Pomiary Automatyka Robotyka, par2013.pdf
P. Olejnik, J. Awrejcewicz: "Application of Hénon method in numerical estimation of the stick–slip transitions existing in Filippov-type discontinuous dynamical systems with dry friction", nondyn2013.pdf
P. Olejnik, J. Awrejcewicz: "Low-speed voltage-input tracking control of a DC-motor numerically modelled by a dynamical system with stick-slip friction", deds2012.pdf
J. Awrejcewicz, P. Olejnik: "Analysis of dynamic systems with various friction laws", amr2005.pdf
J. Awrejcewicz, P. Olejnik: "Friction pair modeling by 2-dof system: numerical and experimental investigations", ijbch2005.pdf
J. Awrejcewicz, P. Olejnik: "Stick-slip dynamics of a two-degree-of-freedom system", ijbch2003.pdf
J. Awrejcewicz, P. Olejnik: "Numerical analysis of self-excited by friction chaotic oscillations in two-degrees-of-freedom system using exact Henon method", mdp2002.pdf
J. Awrejcewicz, P. Olejnik: "Simple control of a 2-dof mechanical system with an approximated frictional discontinuity and stochastic kinematic excitation", ilme2008f.pdf
J. Awrejcewicz, P. Olejnik: "Stability investigation using gradient method to solve nonlinear algebraic system equations", dsta2001.pdf
P. Olejnik, J. Awrejcewicz: "Magnetic levitation of a light cylindrical-shape mass with control of damping of the transition-state vibrations", bedl2010.pdf
P. Olejnik, J. Awrejcewicz: "Bifurkacje rozwiazań wokół zmiennego obszaru stanu nieciagłości układu dynamicznego o jednym stopniu swobody z wymuszeniem harmonicznym", kmp2007.pdf
J. Awrejcewicz, P. Olejnik: "Modyfikacja trajektorii czasowej podczas obliczania wykładników Lapunowa", tmm2002.pdf
P. Olejnik, J. Awrejcewicz: "On the performance index optimization of a rheological dynamical system via numerical active control", iutam2010.pdf
P. Olejnik, J. Awrejcewicz: "One-dimensional discrete LQR control of compression of the human chest impulsively loaded by fast moving point mass", cnsns2011.pdf
J. Awrejcewicz, P. Olejnik: "Active control of two degrees-of-freedom building-ground system", acs2007.pdf
J. Awrejcewicz, P. Olejnik: "Occurrence of stick-slip phenomenon", jtam2007.pdf
M. Fečkan, J. Awrejcewicz, P. Olejnik: "Bifurcations of planar sliding homoclinics", mpe2006.pdf
J. Awrejcewicz, M. Fečkan, P. Olejnik: "On continuous approximation of discontinuous systems", na2005.pdf
P. Olejnik: "Metody Numeryczne Rozwiązywania, Analizy i Kontroli Nieciągłych Układów Dynamicznych", monografia_po_2013.pdf