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Control Systems of Machine Tool

Course developer

Prior knowledge

ETeh2015, Electrical Engineering and Electronics

MašZ3027, Mechatronics I

MašZ3028, Mechatronics II

Course abstract

The aim of the course. After completing the course, students will know about the basics of electric drives, power drives for electric machines and machines, CNC machine tool drive and control, the latest trends in electric drive control, power electronics, frequency converters, their application and programming, modern measuring transducers and automation elements. Students will gain basic knowledge of programmable logic controllers (PLCs), programming languages ​​and control algorithms.

Learning outcomes and their assessment

1. Knowledge - about the basics of electric drives, the latest trends in machine power and control, power electronics and frequency converters, logic controllers design, application and programming - tests, laboratory works, exam;
2. Skills - to understand and read the electrical circuits of the machines, to connect and program programmable controllers and frequency converters - laboratory works;

3. Competence - ability to choose and use control and protection apparatus, programmable controllers, frequency converters, soft starters - tests, laboratory works, exam.

Course Content(Calendar)

Lectures:
1. Machine tool control. Drive characteristics of machine tools. 1h
2. Electric drive of machine tools. Basics of electric drive. 1h
3. Electric motors. Electric motor characteristics, operating modes, selection conditions, connections. 1h
4. Electric drive control and protection equipment. 1h
5. Electric drive control. Starting, reversing and braking of electric motors. 1h
6. Power electronics. Soft start. Application of frequency converters, programming. 1h
7. Servo drive. Servo motors, servo actuators, construction, operation, application. 1h
8. CNC machine tool drive and control. 1h
9. Programmable logic controllers (PLC). 1h
10. PLC programming. Programming languages. 1h
11. Practical PLC programming. Development of control algorithms. 1h
12. Controller programming techniques. 1h
13. Visualization of management process. Application of the HMI interface. 1h
14. Industrial computers, electronic control units, their application. 1h
15. Tele control and telemetry. 1h
16. Summary and evaluation of the work performed. 1h

Laboratory works:
1. Relay automation circuits. 2h
2. Electric braking of electric motors. 2h
3. Electric motor starting methods. 2h
4. Research of asynchronous electric motor operating modes. 2h
5. Reactive power compensation for electric drive. 2h
6. PLC programming. 2h
7. PLC and HMI programming. 2h

8. PLC and frequency converter programming. 2h

Requirements for awarding credit points

Completed laboratory works, defended course work, exam.

Description of the organization and tasks of students’ independent work

Homework before tests (type of control - test).
Processing of laboratory work results and studies on the researched topics (type of control - defense of works).

Independent work 48h.

Criteria for Evaluating Learning Outcomes

Quality of work performance. Understanding what has been done. Ability to logically substantiate processes and explain the causes of errors. Ability to discuss what has been learned.

Compulsory reading

1. Galiņš A., Leščevics P. Programmējamie loģiskie kontrolleri. Jelgava: LLU, 2008. 135 lpp.
2. The Moeller Wiring Manual. Automation and Power Distribution. 2 nd. edition. Editor: Heidrun Riege. Moeller GmbH, Bonn, 2006. 546 p.
3. Ribickis L., Valeinis J. Elektriskā piedziņa mehatronikas sistēmās. Rīga: RTU, 2008. 286 lpp.

4. Cūbergs I. Regulējama automātiskā elektriskā piedziņa. Rīga: RTU,1998. 68 lpp.

Further reading

1. Greivulis J., Raņķis I. Iekārtu vadības elektroniskie elementi un mezgli. Rīga: Avots,1996. 288 lpp.

2. Power electronics and variable frequency drives: technology and applications. Edit. By Bimal K. Bose. NewYork: IEEE Press, 1997. 640 p.

Periodicals and other sources

1. Радио. ISBN: ISSN-0033-765X.

Notes

The compulsory course is included in the IITF Professional Higher Education Bachelor Study Program “Machine Design and Production” - full time 7.sem.; part time - 5. sem.