1 | Lublin University of Technology, Department of Machine Construction & Mechatronics, ul. Nadbystrzycka 36, 20-618 Lublin, Poland |
2 | Lodz University of Technology, Department of Strength of Materials ul. Stefanowskiego 1/15 (A22), Łódź, Poland |
3 | Technical University of Kosice Faculty of Mechanical Engineering Letna 9, 042 00 Kosice, Slovak Republic |