Rotor Flux Optimal Estimation for Induction Motor Control
- Autori: ALONGE, F; D'IPPOLITO, F; GIARDINA, G; RAIMONDI, FM; SCAFFIDI, A
- Anno di pubblicazione: 2005
- Tipologia: eedings
- OA Link: http://hdl.handle.net/10447/7765
The aim of this paper is to analyze and design reduced order observers of the rotor flux of induction motors. The design requirements are: a) the convergence rate of the rotor flux estimation error; b) a low sensitivity to stator and rotor resistance variations; c) a low sensitivity to errors due to the implementation of the observers on microprocessor-based systems. It is shown that, in order to satisfy the requirements a)-c), it is sufficient to solve a constrained optimization problem according to a criterion in which these requirements appear explicitly. The implementation of the observer is discussed. The observer is tested by simulation and experiments.