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Speed Observer Structure of Induction Machine Based on Sliding Super-Twisting and Backstepping Techniques

Abstract

This paper presents an analysis of the two speed observer structures which are based on the backstepping and sliding super twisting approach. The observer stabilizing functions result from the Lyapunov theorem. To obtain the observer tuning gains the observer structure is linearized near the equilibrium point. The rotor angular speed is obtained from non-adaptive dependence. In the sensorless control system structure the classical PI controllers and transformation to the multi-scalar variables are applied. The theoretical derivations are verified in experimental waveforms. Comparison of both speed observer structures is presented for nominal speed, load torque injections while regenerating mode, very low speed range and the uncertainties of nominal parameters of induction machine.

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Details

Category:
Articles
Type:
artykuły w czasopismach
Published in:
IEEE Transactions on Industrial Informatics no. 17, pages 1122 - 1131,
ISSN: 1551-3203
Language:
English
Publication year:
2021
Bibliographic description:
Morawiec M., Lewicki A.: Speed Observer Structure of Induction Machine Based on Sliding Super-Twisting and Backstepping Techniques// IEEE Transactions on Industrial Informatics -Vol. 17,iss. 2 (2021), s.1122-1131
DOI:
Digital Object Identifier (open in new tab) 10.1109/tii.2020.2974507
Verified by:
Gdańsk University of Technology

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