Turkish Journal of Electrical Engineering and Computer Sciences
Abstract
In this paper, the effect of the variation of amplitude and the chopping period of a PWM signal on the stability of a closed-loop control for a DC motor drive is investigated. First, the entire system is formulated as a Linear Quadratic (LQ) tracker with output feedback [1]. Then, stability analysis for the varying amplitude and the varying chopping period is carried out by the methods of root locus and the Jury test. Finally, stability limits obtained from a root locus and Jury test are checked by the simulation of the system in MATLAB.
DOI
-
Keywords
pulse width modulation (PWM), DC drive, stability analysis.
First Page
427
Last Page
438
Recommended Citation
GÜRBÜZ, FATMA and AKPINAR, EYÜP (2002) "Stability Analysis of a Closed-Loop Control for a Pulse Width Modulated DC Motor Drive," Turkish Journal of Electrical Engineering and Computer Sciences: Vol. 10: No. 3, Article 1. Available at: https://journals.tubitak.gov.tr/elektrik/vol10/iss3/1
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