ZHOU, Xiang; SHEN, Jinwei. Automatic Control Design of Pneumatic Solenoid Valve Based on Siemens PLC. International Journal of Mechanical and Electrical Engineering, London, U.K., v. 4, n. 1, p. 1–6, 2024. DOI: 10.62051/ijmee.v4n1.01. Disponível em: https://wepub.org/index.php/IJMEE/article/view/4246. Acesso em: 24 may. 2026.