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http://dx.doi.org/10.11142/jicems.2014.3.2.126

Stability Comparison of New Simplified Speed Sensorless Vector Control Systems for Induction Motors

Mangindaan, Glanny M.Ch. (Graduate School of Engineering, Nagasaki University)
Tsuji, Mineo (Graduate School of Engineering, Nagasaki University)
Hamasaki, Sin-Ichi (Graduate School of Engineering, Nagasaki University)

Publication Information

Journal of international Conference on Electrical Machines and Systems / v.3, no.2, 2014 , pp. 126-131 More about this Journal

Abstract

This paper discusses stability of new simplified sensorless vector control systems of induction motors (IM). The simplified sensorless systems estimate the flux angle by using the output voltage of d-axis PI current controller to achieve the q-axis flux zero. Two simplified sensorless systems are studied. The difference of two systems is the presence or absence of a q-axis PI current controller. The systems stability is compared by deriving linear state equations and showing root loci and unstable regions. Furthermore, transient responses and experiment results make clear the stability of the proposed system.

Keywords

Speed sensorless vector control; Induction motor; D-axis voltage; Root loci; Stability;

Citations & Related Records

Reference

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