TY JOUR TI REGULATION OF ANGULAR VELOCITY OF THE STEPPER MOTOR KW current controller KW mathematical model KW stepper motor KW phase portrait KW the amplitude of the vibrations KW structural scheme KW synthesis KW speed KW transfer function JO Bulletin of KSAU AU Emeliyanov, R.T. AU Arinchin, S.A. AU Turysheva, E.S. AU Makeich, V.V. PY 2017 IS PB Krasnoyarsk State Agrarian University