Cajetinac S, Seslija D, Aleksandrov S, Todorovic M. PWM Control and Identification of Frequency Characteristics of a Pneumatic Actuator using PLC Controller. ELEKTRON ELEKTROTECH [Internet]. 2012Sep.4 [cited 2024Apr.25];123(7):21-6. Available from: https://eejournal.ktu.lt/index.php/elt/article/view/2369