PMSM Sensorless Speed Control Drive

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Abstract

Permanent magnet synchronous machines (PMSM) are very popular in many industrial applications such as in mechatronics, automotive, energy storage flywheels, centrifugal compressors, vacuum pumps, and robotics. This paper proposes Sensorless control for a PMSM speed drive which is based on a closed loop control system using a proportional and integral (PI) controller that is designed to operate in flux weakening regions under a constant torque angle. This Sensorless element was adopted for best estimating the PMSM rotor position based on its performance characteristics eliminating the need for speed sensors which are usually required in such control applications. To achieve this goal, a pulse width modulation (PWM) control scheme was developed to work in conjunction with a field oriented motor control drive using Simulink.This innovative control system was simulated assuming realistic circuit components to maximize the accuracy of the proposed model. Finally, simulation results obtained under different operation conditions at below and above the rated speed of the motor were presented and discussed in this paper.

Original languageAmerican English
JournalJournal of Engineering Research and Technology
Volume1
StatePublished - Dec 1 2014

Keywords

  • Permanent Magnet
  • Synchronous machine
  • Control
  • Sensorless
  • Simulink and Field Oriented

DC Disciplines

  • Electrical and Computer Engineering

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