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Krzysztof Witkowski, PhD

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Krzysztof Witkowski

Curriculum Vitae

Date & place of birth: 17.06.1970 in Lodz

E mail: krzysztof.witkowski@p.lodz.pl

Bibliometric data: ORCID | WoS (index H=3, 8 documents) | Scopus (index H=4, 9 documents) | RG (14 documents) | GS (index H=4)
 

 

dr inż. Krzysztof Witkowski

 

Experience

Assistant Professor

2022-currently

Researcher/POST-DOC

2021-2022

PhD student
Technical University of Lodz

2015-2021

Soloist singer
Opera Nova in Bydgoszcz, Grand Theater in Lodz, Krakow Opera, National Opera in Warsaw

2003-2018

Education

Lodz University of Technology – full-time, third-cycle degree studies at the Department of Automation, Biomechanics and Mechatronics. Obtained title: doctor of engineering and technical sciences in the discipline of mechanical engineering.

2015-2021

Lodz University of Technology - Faculty of Mechanical Engineering. Masters. Major: Machine Tools and Technological Equipment

1990-1995

The Grażyna and Kiejstut Bacewicz Academy of Music in Lodz – graduated with honors

1994-2000

Technical Secondary School of Mechanical Engineering No. 4 named after Indira Gandhi in Lodz. Speciality: precision mechanics

1985-1990

Awards and experience

Three-time scholarship holder in the research grant of the National Science Center OPUS 14 "Modeling and non-linear dynamics of magneto-electro-mechanical systems"

2018/2019

2020/2021

Increasing the doctoral scholarship from the subsidy for co-financing pro-quality tasks. Decision RSO/PRS/6/2020/21

2020/2021

Scholarship holder of the Minister of Culture and National Heritage.

1999 i 2000

Didactics

Tutorials     - Technical Mechanics I and II

Laboratory - Automation
Technical Mechanics II

Scientific articles

Kudra, G., Witkowski, K., Fasihi, A., ...Polczyński, K., Awrejcewicz, J.

„Bifurcation dynamics of 1DOF parametric oscillator with stiffness-hardening characteristic and dry friction” Journal of Sound and Vibration, 2023, vol. 543, p.117356

2023

S. Seth, G. Kudra, K. Witkowski, J. Awrejcewicz, 'Equivalent electronic circuit of a system of oscillators connected with periodically variable stiffness', Applied Sciences, 2022, 12(4), 2024

2022

K. Witkowski, G. Kudra, J. Awrejcewicz, 'A new discontinuous impact model with finite collision duration', Mechanical Systems and Signal Processing, March 2022, vol. 166, 108417

2022

Witkowski, K., Kudra, G., Wasilewski, G., & Awrejcewicz, J. (2021). Mathematical modelling, numerical and experimental analysis of one-degree-offreedom oscillator with Duffing-type stiffness. International Journal of Non-Linear Mechanics.

2021

K. Witkowski, G. Kudra, S. Skurativskyi, G. Wasilewski, and J. Awrejcewicz, “Modeling and dynamics analysis of a forced two-degree-of-freedom mechanical oscillator with magnetic springs,” Mech. Syst. Signal Process., vol. 148, p. 107138, Feb. 2021

2021

S. Skurativskyi, G. Kudra, K. Witkowski, and J. Awrejcewicz, “Bifurcation phenomena and statistical regularities in dynamics of forced impacting oscillator,” Nonlinear Dyn., vol. 98, no. 3, pp. 1795–1806, Nov. 2019

2019

K. Witkowski, G. Kudra, G. Wasilewski, and J. Awrejcewicz, “Modelling and experimental validation of 1-degree-of-freedom impacting oscillator,” Proc. Inst. Mech. Eng. Part I J. Syst. Control Eng., vol. 233, no. 4, pp. 418–430, Apr. 2019

2019

Patent applications

"Unidirectional harmonic exciter/force damper with electronically coupled rotors". Application on May 18, 2022

Registration
P.441217

“Dynamic vibration damper with adjustable magnetic stiffness”. Application dated October 12, 2022

Registration
P.442504

“Joint with one degree of freedom, bearing-magnet type”. Application dated October 24, 2022

Registration
P.442596

Papers in Conferences Proceedings

Grzegorz Kudra, K.Witkowski, Soumyajit Seth, Krystian Polczyński, Jan Awrejcewicz.

Parametric vibrations of a system of oscillators connected with periodically variable stiffness, in: J. Awrejcewicz, M. Kaźmierczak, J. Mrozowski, (Eds.), Dynamical Systems-Theory and Applications, DAB&M of TUL Press, Lodz, 2021

2021

Sergii Skurativskyi, Grzegorz Kudra, K.Witkowski,  Grzegorz Wasilewski, Jan Awrejcewicz.

Nonlinear dynamics of forced oscillator subjected to a magnetic interaction, in: J. Awrejcewicz, M. Kaźmierczak, J. Mrozowski, (Eds.), Dynamical Systems-Theory and Applications, DAB&M of TUL Press, Lodz, 2021

2021

K.Witkowski, Grzegorz Kudra, Sergii Skurativskyi,  Grzegorz Wasilewski, Jan Awrejcewicz. Nonlinear forced oscillations of the coupled masses between repelling magnets, in: J. Awrejcewicz, M. Kaźmierczak, J. Mrozowski, (Eds.), Theoretical Approaches in Non-Linear Dynamical Systems, DAB&M of TUL Press, Lodz, 2019, pp. 507-514.

2019

K. Witkowski, G. Kudra, G. Wasilewski, F. Wiądzkowicz, J. Awrejcewicz.Experimental and numerical investigations of one-degree-of-freedom impacting oscillator. In: Awrejcewicz J, Kaźmierczak M, Mrozowski J, et al. (eds) Vibration, Control and Stability of Dynamical Systems. DAB&M of TUL Press, Lodz, 2017, pp. 549–558.

2017

G. Kudra, M.Szewc, M. Ludwicki, K.Witkowski, J. Awrejcewicz. Modelling of rigid body dynamics with spatial frictional contacts, in: J. Awrejcewicz, M. Kaźmierczak, J. Mrozowski, P. Olejnik (Eds.), Vibration, Control and Stability of Dynamical Systems, DAB&M of TUL Press, Lodz, 2017, pp. 231-240

2017

Scientific Conferences

 

“15th International Conference  Dynamical Systems – Theory and Applications (DSTA)”, Lodz, December, 2-5, 2019 - poster

2019

“14th International Conference  Dynamical Systems – Theory and Applications (DSTA)”, Lodz, December, 11-14, 2017 - poster

2017

International Aerospace Conference at the Space Research Center in Warsaw – passive participation

2016

Other activities

 

The concept and construction of the "vibration exciter". Financing Opus 14: commission. 1330 pl. 14 regarding UMO-2017/27/B/ST8/01330

2021

Construction of the measuring station: "Self-excited vibrating system using aerostatic bearings". Financed from the K11 capital fund

2021-2022

"Construction of a magnetic spring" as part of a scholarship in the Opus 14 grant.

2018-2019

"Automated station for testing the characteristics of springs based on an aerostatic guide" - Co-management of the project of the Directional Group Project in the field of Mechatronics at WM TUL.

2017-2018

Co-lead engineering thesis: "Project of a movable obstacle to the test stand of a double spatial pendulum with impacts". Major: Mechatronics at the Faculty of Mechanical Engineering of the Lodz University of Technology.

2016

Construction of the "Multi-degrees of freedom station with trolleys moving along the profile rail" system financed by the Maestro 2 grant.

2015

Additional

qualifications

Pedagogical course

2003

Category B driving license

 

Qualifications and additional skills

Adwanced knowledge of: Microsoft Word, Exel, PowerPoint, Inkscape, Scilab, Matlab, Draft Sight

Foreign Languages

English                                  B1

Russian                                 C1

Hobbies

basketball, tennis, didactics, classical music