Field-Weakening Nonlinear Control of a Separately Excited DC Motor

Zribi, Mohamed; Al-Zamel, Adel

doi:https://doi.org/10.1155/2007/58410

Mathematical Problems in Engineering

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Research Article | Open Access

Volume 2007 | Article ID 058410 | https://doi.org/10.1155/2007/58410

Field-Weakening Nonlinear Control of a Separately Excited DC Motor

Mohamed Zribi¹and Adel Al-Zamel¹

Academic Editor: Giuseppe Rega

Received17 Mar 2006

Accepted30 Jan 2007

Published27 Mar 2007

Abstract

This paper investigates the design and implementation of nonlinear control schemes for a separately excited DC motor operating in the field-weakening region. A feedback linearization controller, a Corless-Leitman-type controller, and two nonlinear controllers are designed and implemented for a DC motor system. The stability of the closed-loop system is proved using Lyapunov theory. A hardware testbed is constructed to experimentally verify the designed controllers. The hardware consists of a DC motor system, a DSP controller board, a power module, two current sensors, and a tachogenerator. The experimental results indicate that the developed controllers work well.

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Copyright

Copyright © 2007 Mohamed Zribi and Adel Al-Zamel. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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