
Robust control of two parallel‐connected permanent magnet synchronous motors fed by a single inverter
Author(s) -
Deng Zhenhua,
Nian Xiaohong
Publication year - 2016
Publication title -
iet power electronics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.637
H-Index - 77
eISSN - 1755-4543
pISSN - 1755-4535
DOI - 10.1049/iet-pel.2015.0560
Subject(s) - control theory (sociology) , permanent magnet synchronous motor , inverter , computer science , robust control , controller (irrigation) , synchronous motor , bilinear interpolation , magnet , control engineering , control (management) , control system , engineering , voltage , mechanical engineering , agronomy , electrical engineering , artificial intelligence , biology , computer vision
Two parallel‐connected permanent magnet synchronous motors (PMSMs) fed by a single inverter is investigated in this study. A robust controller is designed for this system via interval matrix, and in terms of bilinear matrix inequalities, sufficient conditions for the existence of the robust controller are derived. The proposed controller not only can deal with the uncertainty of load, but also has robust to the parameter perturbation. The effectiveness of the proposed controller is proved by theory analyses and computer simulation. Besides, the simulation results show that the control performance of the proposed control strategy is better than that of the conventional master–slave strategy.