List of Articles Servo motor Open Access Article Abstract Page Full-Text 1 - Investigation of the Stability of the Ball and Beam by the PID Controller Mojtaba Hadipour Ali Hosseinzadeh Mohsen Sadidi 10.30495/admt.2021.1897179.1189 Open Access Article Abstract Page Full-Text 2 - Reduction of Speed Ripple in BLDC Motor Aimed at using in the Servomotor of Aircraft Flap Mohammadreza Soltanpour Hamid Radmanesh Reza Sobhani