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  • A VRC H∞ design for dynamic thermal derating of induction machines

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    Hossain427899-Accepted.pdf (515.6Kb)
    Author(s)
    Ali, SMN
    Hossain, MJ
    Hanif, A
    Sharma, V
    Kashif, M
    Griffith University Author(s)
    Hossain, Jahangir
    Year published
    2018
    Metadata
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    Abstract
    Induction machines exhibit thermal derating in their performance during operation that causes sheer uncertainties in the controlling parameters such as stator and rotor resistances. It does not only affect the steady-state but also the dynamic response of an induction machine (IM). An output feedback variable resistance controller (VRC), which is inherently an H ∞ linear parameter varying (LPV) controller, is proposed to compensate this thermal derating caused by stator resistance variations. An L 2 gain bound and internal stability are ensured by linear matrix inequalities (LMIs). IM speed control is established by using ...
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    Induction machines exhibit thermal derating in their performance during operation that causes sheer uncertainties in the controlling parameters such as stator and rotor resistances. It does not only affect the steady-state but also the dynamic response of an induction machine (IM). An output feedback variable resistance controller (VRC), which is inherently an H ∞ linear parameter varying (LPV) controller, is proposed to compensate this thermal derating caused by stator resistance variations. An L 2 gain bound and internal stability are ensured by linear matrix inequalities (LMIs). IM speed control is established by using input/output feedback linearization (I/O-FL). The proposed controller is implemented for a 30 kW induction motor in MATLAB ® Simulink environment. Nonlinear simulation results show excellent performance tracking for the thermally derated dynamic IM characteristics in the presence of varying stator resistance and an applied load torque.
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    Conference Title
    2018 Australasian Universities Power Engineering Conference (AUPEC 2018)
    DOI
    https://doi.org/10.1109/AUPEC.2018.8757950
    Copyright Statement
    © 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
    Subject
    Electrical engineering
    Electronics, sensors and digital hardware
    Publication URI
    http://hdl.handle.net/10072/402060
    Collection
    • Conference outputs

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