A Flux and Speed Observer for Induction Motors with Unknown Rotor Resistance and Load Torque and no Persistent Excitation Requirement

Autor:	Pyrkin, Anton, Bobtsov, Alexey, Vedyakov, Alexey, Ortega, Romeo, Vediakova, Anastasiia, Sinetova, Madina
Rok vydání:	2020
Předmět:	Electrical Engineering and Systems Science - Systems and Control
Druh dokumentu:	Working Paper
Popis:	In this paper we address the problems of flux and speed observer design for voltage-fed induction motors with unknown rotor resistance and load torque. The only measured signals are stator current and control voltage. Invoking the recently reported Dynamic Regressor Extension and Mixing-Based Adaptive Observer (DREMBAO) we provide the first global solution to this problem. The proposed DREMBAO achieve asymptotic convergence under an excitation condition that is strictly weaker than persistent excitation. If the latter condition is assumed the convergence is exponential.
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/2009.00966 Zobrazit plný text záznamu View this record from Arxiv