NDLI: Modern robust control of a CSI-fed induction motor drive system

Content Provider	IEEE Xplore Digital Library
Author	Mohamed, A.M.
Copyright Year	1998
Description	Author affiliation: Dept. of Electr. & Electron. Eng., Assiut Univ., Egypt (Mohamed, A.M.)
Abstract	The current source inverter (CSI)-fed induction motor (IM) drive system is an open loop stable system, however due to model uncertainties and operation at different operating points the system exhibits poor performance and may lose stability. This paper utilizes the H/sub /spl infin// loop shaping design procedure (LSDP) with /spl mu/-analysis (/spl mu/LSDP) to design a controller for a CSI-fed induction motor drive system in order to achieve robust stability and robust performance against various model uncertainties. First, the nonlinear dynamic equations of the CSI-fed IM are described in state space form, with emphasis on modeling errors (uncertainties), physical disturbances and noises, then these equations are linearized around an operating point. Second, the H/sub /spl infin// LSDP with /spl mu/-analysis procedure is explained. Third, the H/sub /spl infin// LSDP problem formulation is presented with emphasis on the selection of the frequency shaping functions which reflects the robust stability and performance goals. Finally, the /spl mu/LSDP is applied to the controller design of an example system, and numerous simulation results are presented. The results showed that both robust stability and robust performance are achieved.
Starting Page	3803
Ending Page	3808
File Size	556716
Page Count	6
File Format	PDF
ISBN	0780345304
ISSN	07431619
DOI	10.1109/ACC.1998.703357
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1998-06-26
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	American Automatic Control Council(AACC)
Subject Keyword	Robust control Induction motor drives Robust stability Uncertainty Nonlinear equations Inverters Induction motors Shape control Open loop systems Noise robustness
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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