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Application of sliding switching functions in backstepping based speed observer of induction machine

Abstract

The paper presents an analysis of the speed observer which is based on the backstepping and sliding mode approach. The speed observer structure is based on the extended mathematical model of an induction machine. The observer structure is based on the measured phase stator currents and transformed to ( αβ ) coordinate system. The stator voltage vector components are treated as known values. Additionally, such an observer structure is extended to the integrators. The observer stabilizing functions contain the appropriate sliding surfaces which result from Lyapunov function. The rotor angular speed is obtained from non-adaptive dependence. Stability analysis of the observer structure based on Lyapunov theory is presented in order to guarantee the estimation errors decay to zero.

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Details

Category:
Articles
Type:
artykuły w czasopismach
Published in:
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS no. 67, pages 5843 - 5853,
ISSN: 0278-0046
Language:
English
Publication year:
2020
Bibliographic description:
Morawiec M., Lewicki A.: Application of sliding switching functions in backstepping based speed observer of induction machine// IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS -Vol. 67,iss. 7 (2020), s.5843-5853
DOI:
Digital Object Identifier (open in new tab) 10.1109/tie.2019.2914645
Verified by:
Gdańsk University of Technology

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