Open AccessAdaptive-Predictive Controller based on Continuous-Time Poisson-Laguerre Models for Induction Motor Speed Control Improvement
Author(s) -
Z. Boulghasoul,
Lhoussain El Bahir,
Abdelhadi Elbacha,
Elmostafa Elwarraki
Publication year - 2014
Publication title -
journal of electrical engineering and technology/journal of electrical engineering and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.226
H-Index - 27
eISSN - 2093-7423
pISSN - 1975-0102
DOI - 10.5370/jeet.2014.9.3.908
Subject(s) - control theory (sociology) , induction motor , dspace , robustness (evolution) , control engineering , vector control , matlab , integrator , engineering , model predictive control , electronic speed control , controller (irrigation) , pid controller , computer science , control (management) , voltage , artificial intelligence , electrical engineering , temperature control , telecommunications , agronomy , biochemistry , chemistry , bandwidth (computing) , algorithm , biology , gene , operating system
Induction Motor (IM) has several desirable features for high performance adjustable- speed operation. This paper presents the design of a robust controller for vector control induction motor drive performances improvement. Proposed predictive speed controller, which is aimed to guarantee the stability of the closed loop, is based on the Poisson-Laguerre (PL) models for the association vector control drive and the induction motor; without necessity of any mechanical parameter, and requires only two control parameters to ensure implicitly the integrator effect on the steady state error, load torque disturbances rejection and anti-windup effect. In order to improve robustness, insensitivity against external disturbances and preserve desired performance, adaptive control is added with the aim to ensure an online identification of controller parameters through an online PL models identification. The proposed control is compared with the conventional approach using PI controller. Simulation with MATLAB/SIMULINK software and experimental results for a 1kW induction motor using a dSPACE system with DS1104 controller board are carried out to show the improvement performance. Nomenclature sd u , sq u d, q axis stator voltage components. sd i , sq i d, q axis stator current components. rd ϕ , rq ϕ d, q axis rotor flux components. s R , r R Stator and rotor resistance. s L , r L Stator and rotor Inductance. M Mutual inductance. σ Total leakage factor. r T Rotor time constant. p Number of pole pairs. s ω Synchronous speed. ω Rotor speed. sl ω Slip speed. e T , l T Electromagnetic and load torque. J Total inertia moment. r f Friction coefficient. s Laplace operator * (.) Denotes reference value