Assessment of piston quality using QFD-analysis Uliana Antonova, Pavel Golinitsky, Elmira Cherkasova, Uliana Antonova, Vladislav Zimogorsky and Egor Petuhov E3S Web of Conf., 531 (2024) 01003 Published online: 03 June 2024 DOI: 10.1051/e3sconf/202453101003