Implementation of a closed loop sliding mode observer for speed sensorless control of an indirect field oriented induction motor drives |
| |
Authors: | Nihat Inanc |
| |
Affiliation: | (1) Engineering Faculty, Electrical Engineering Department, Yuzuncu Yıl University, Zeve Campus, 65080 Van, Turkey |
| |
Abstract: | A new sliding mode flux and speed observer is proposed for indirect field oriented induction motor drive system. The error
between the actual and observed currents converges to zero, which guarantees the accuracy of the flux observer. The rotor
speed and the rotor time constant are estimated based on the estimated stator currents and rotor flux. The estimated rotor
time constant is used in slip calculation and observer structures. The estimated speed is used as feedback to the speed regulation.
Simulation and experimental results of the speed control verify the validity of the proposed speed estimation algorithm. |
| |
Keywords: | Induction machine Indirect field oriented control Sliding mode observer Sensorless control |
本文献已被 SpringerLink 等数据库收录! |