A robust suboptimal control system design of chaotic PMSMs: A robust suboptimal control system design of chaotic PMSMs

Ton Do Duc, Y Do, Dai Pham

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Chaotic phenomenon of power electronic systems
and electric motor drives were introduced a few decades ago
and has been followed with numerous of published work.
However, chaos of permanent magnet synchronous motors
(PMSMs), in particular, did not receive enough deserved
interest. Considering this fact, this paper introduces a robust
suboptimal control system for chaotic PMSMs. The proposed
control system includes a suboptimal speed controller
and a suboptimal load torque observer. The stability analysis
and robustness properties of the proposed control system
are presented in detail in this paper. Thanks to its robustness
properties, the proposed suboptimal control system can
not only eliminate the chaos but also provide better performances
than conventional methods. Extensive simulations
results under various scenarios prove the superiority of the
proposed control technique over conventional controllers for
chaoticPMSMseven under the condition of parameter uncertainties
and variations of load torque disturbance.
Original languageEnglish
JournalElectrical Engineering
Publication statusPublished - Aug 2017

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