1 | Institute of Electrical Drives and Machines – Komel al. Roździeńskiego 188, 40-203 Katowice, Poland |
2 | Department of Combustion Engines and Vehicles University of Bielsko-Biala ul. Willowa 2, 43-309 Bielsko-Biala, Poland |
3 | Department of Mechanical Engineering Fundamentals University of Bielsko-Biala ul. Willowa 2, 43-309 Bielsko-Biala, Poland |