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Second order sliding mode control with MARS speed estimation of linear induction motors considering unknown longitudinal end effects
Author(s) -
Zhang Lei,
Zhang Hui,
Liu Yongwen,
Liu Dongqing
Publication year - 2020
Publication title -
asian journal of control
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.769
H-Index - 53
eISSN - 1934-6093
pISSN - 1561-8625
DOI - 10.1002/asjc.2099
Subject(s) - control theory (sociology) , linear induction motor , nonlinear system , mars exploration program , controller (irrigation) , loop (graph theory) , induction motor , scheme (mathematics) , sliding mode control , bounded function , engineering , computer science , control engineering , control (management) , voltage , mathematics , physics , artificial intelligence , quantum mechanics , astronomy , electrical engineering , mathematical analysis , agronomy , combinatorics , biology
This paper presents a novel sensorless second order sliding mode control (SOSMC) scheme for linear induction motor (LIM), considering the longitudinal end effects. An adaptive super twisting controller (ASTC) is developed to eliminate the influence of the unknown bounded longitudinal end effects in mechanical loop scheme. Two super twisting controllers (STCs) are applied in electric loop schemes to overcome the high nonlinearity and reduce chattering. Moreover, a Model Adaptive Reference System (MARS) is designed to estimate LIM speed and the secondary flux. Finally, the proposed MARS based SOSMC scheme is validated with the Hardware‐in‐the‐loop (HIL) experiment test system.