Fundamentals of electrical drive controls

Deur, Joško and Pavković, Danijel (2011) Fundamentals of electrical drive controls. = Fundamentals of electrical drive controls. In: Encyclopedia of Life Support Systems (EOLSS) ; Physical Sciences, Engineering and Technology Resources ; Electrical Engineering. EOLSS Publishers, Oxford, pp. 1-59. ISBN 978-1-905839-79-7

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Controlled electrical drives can be regarded as the most flexible and efficient source of controlled mechanical power. Understanding and developing the controlled electrical drive systems require a multi-disciplinary knowledge, starting from electrical machine theory, through electronic power converter technology to control system design techniques. This article gives a systematic overview of elements of a controlled electrical drive with emphasis on the control system design. The basic procedure of feedback and feedforward cascade control system design is presented for the separately-excited DC motor. It is then demonstrated that the basic principle of current/torque control can be applied to AC machines modeled in the rotational field coordinate frame, while the superimposed speed and position controller structure remains the same as with the DC motor. Finally, a notable attention is paid to analysis of transmission compliance, friction, and backlash effects, and their compensation by means of advanced control algorithms.

Item Type: Book Section
Keywords (Croatian): electrical drives, control, modeling, DC motor, permanent-magnet synchronous motor, cascade control, chopper, sensors, speed control, position control, pointing, tracking, friction, compliance, backlash, state control, nonlinear compensation
Subjects: TECHNICAL SCIENCE > Mechanical Engineering
Divisions: 900 Department of Robotics and Production System Automation > 910 Chair of Engineering Automation
Indexed in Web of Science: No
Indexed in Current Contents: No
Date Deposited: 10 Sep 2018 11:12
Last Modified: 04 Oct 2018 12:37

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