MOZYRSKA, Dorota; WYRWAS, Malgorzata; OZIABLO, Piotr. Digital PID controllers with fractional variable order techniques and two discrete-time operator variants. Bulletin of the Polish Academy of Sciences Technical Sciences, [S. l.], v. 73, n. 3, p. e153831, 2025. DOI: 10.24425/bpasts.2025.153831. Disponível em: https://wydawnictwo.pan.pl/index.php/bpasts/article/view/1655. Acesso em: 22 aug. 2026.