The 11th International Conference devoted to “Dynamical Systems—Theory and Applications” hold in December 5–8, 2011 in Łodź, Poland, and it was organized by the staff of Department of Automation and Biomechanics of the Łodź University of Technology. It was financially supported by Rector of the Łodź University of Technology and Department of Education and Physical Culture of the Łodź City Hall. Organizing Committee welcomed nearly 120 persons from 22 courtiers all over the world. Participants shared results of their research and experience of their theoretical and practical work in significant disciplines of mechanical engineering. Scientific Committee of the conference included the following researchers: Marcilio Alves—Sao Paulo (Brazil), Igor V. Andrianov—Dnepropetrovsk (Ukraine), Jose M. Balthazar—Rio Claro (Brazil), Wojciech Blajer—Radom (Poland), Tadeusz Burczynski—Gliwice (Poland), Czeslaw Cempel—Poznan (Poland), Simona-Mariana Cretu—Craiova (Romania), Virgil-Florin Duma—Arad (Romania), Michal Feckan—Bratislava (Slovakia), David Y. Gao—Blacksburg (USA), Jozef Giergiel—Cracow (Poland), Peter Hagedorn—Darmstadt (Germany), Katica Hedrih—Nis (Serbia), Jan Kozanek—Prague (Czech Republic), Vadim A. Krysko—Saratov (Russia), Lidiya V. Kurpa—Kharkov (Ukraine), Claude-Henri Lamarque—Lyon (France), Gennady A. Leonov—St. Petersburg (Russia), Nuno M.M. Maia— Lisbon (Portugal), Leonid I. Manevitch Moscow (Russia), Bogdan Maruszewski—Poznan (Poland), Yuriy Mikhlin—Kharkov (Ukraine), Gerard Olivar—Manizales (Colombia), Bogdan Posiadala—Czestochowa (Poland), Boguslaw Radziszewski—Kielce (Poland), Giuseppe Rega—Rome (Italy), Gabor Stepan—Budapest (Hungary), Jerzy Świder —Gliwice (Poland), Hans True—Lyngby (Denmark), Andrzej Tylikowski—Warsaw (Poland), Tadeusz Uhl—Cracow (Poland), FerdinandVerhulst—Utrecht (TheNetherlands), JerzyWarminski— Lublin (Poland), Edmund Wittbrodt—Gdansk (Poland), Jozef Wojnarowski—Gliwice (Poland), Ludmila V. Yakushevich—Pushchino (Russia), Hamad M. Yehia—Mansoura (Egypt),MikhailV. Zakrzhevsky—Riga (Latvia),KlausZimmermann—Ilmenau (Germany).