autores Carlos Couto Fernando Batista Nunes Ferreira Silva, L.F. Lima, M. Monteiro, João L. Carvalho, H. Rocha, A.M. Ferreira, F.N. Lima, M. Carvalho, Helder Monteiro, J.L. Couto, C. Rocha, A. M.
palavras-chave electromagnetic actuated presser foot feeding efficiency monitoring overlock sewing machine presser foot closed-loop control presser foot system