Mathematical model of the pneumatic actuator follower system Denis Medvedev, Vyacheslav Grishhenko, Viktor Martynov, Evgeniy Ivliev and Yurii Korol’kov E3S Web Conf., 279 (2021) 01009 Published online: 01 July 2021 DOI: 10.1051/e3sconf/202127901009