Article | REF: D2900 V1

Introduction to digital control for electric machines

Authors: Mohamed Wissem NAOUAR, Éric MONMASSON, Ilhem SLAMA BELKHODJA, Ahmad Ammar NAASSANI

Publication date: November 10, 2009

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2. Control structure

To better understand the problem of implementing digital controls for electrical machines, we refer to figure 6 , which shows a general diagram of the control loops found in a system of this type. This general diagram is made up of several interlocking loops:

  • an internal current regulation loop. This imposes the machine's flux and torque;

  • a speed control loop. This generates the current reference ;

  • an external position control loop. The output of this loop is the angular speed reference.

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