Collection of selected, peer reviewed papers from the 2 day symposium on mechatronics systems, mechanics and materials 2014/IV, november 19-20, 2014, w艂adys艂awowo, poland. The 31 papers are grouped as follows: chapter 1: materials, mechanisms and energy of technical systems and devices; chapter 2: control and robotics; chapter 3: diagnostics of equipment; chapter 4: environment protection engineering
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