Electrical Actuators

Course Description

Basic actuator classification. The importance and the application areas of electromechanical, hydraulic and pneumatic actuators. Electromagnet and electrical motor as an actuator. Electrical starter. Parameters, characteristics and mathematical models of electromechanical actuators. Characteristics of DC, synchronous, reluctance, inductor and hysteresis motors. Induction motors for automation. Brushless DC motor. Tachogenerators. Permanent magnet motors. Stepping motor. Nano actuators.

General Competencies

The knowledge of properties and characteristics of actuators relevant for their application is acquired.

Learning Outcomes

  1. classify basic actuators groups
  2. describe importance and the application areas of actuators
  3. explain operation principles of actuators
  4. identify actuators characteristics
  5. compare actuators eficency
  6. select actuators for industrial purpose

Forms of Teaching


in two cycle; 6+5 lecture


labs, exams


an exercise at the end of each lecture ciklus

Laboratory Work

Three labs in groups in department laboratory

Grading Method

Continuous Assessment Exam
Type Threshold Percent of Grade Threshold Percent of Grade
Laboratory Exercises 60 % 20 % 60 % 20 %
Mid Term Exam: Written 20 % 20 % 0 %
Final Exam: Written 20 % 20 %
Final Exam: Oral 40 %
Exam: Written 30 % 20 %
Exam: Oral 60 %

Week by Week Schedule

  1. Basic actuator classification (electromechanical, hydraulic and pneumatic)
  2. The importance and the application areas of actuators.
  3. Electromagnet as an actuator.
  4. Electrical motor as an actuator.
  5. Electrical starter.
  6. Parameters and characteristics of electromechanical actuators
  7. Exercise
  8. Midterm exam
  9. Characteristics of DC, synchronous, reluctance, inductor and hysteresis motors.
  10. Induction motors for automation.
  11. Brushless DC motor. Permanent magnet motors.
  12. Stepping motors.
  13. Nano actuators.
  14. Exercise
  15. Final exam

Study Programmes

University undergraduate
Control Engineering and Automation (module)
Elective Courses (6. semester)


Radenko Wolf (1991.), Osnove električnih strojeva, Školska knjiga, Zagreb
T. Kenjo (1991.), Stepping Motors and their Microprocessor Controls, Clarendon Press
J.R. Hendershot Jr., TJE Miller (1994.), Design of Brushless Permanent-Magnet Motors, Clarendon Press
T.A. Lipo (2004.), Introduction to AC Machine Design, WisPERC, University of Wisconsin - Madison, USA
M. Jufer (1979.), Electromécanique, Dunod

Grading System

ID 86458
  Summer semester
L1 English Level
L1 e-Learning
26 Lecturers
4 Exercises
15 Laboratory exercises


86 Excellent
71 Very Good
61 Good
50 Acceptable