Application of Quadratic Linearization for the Control of Permanent Magnet Synchronous Motor | Zendy

Parvathy Ayalur Krishnamoorthy | Zendy; V. Kamaraj | Zendy; R. Devanathan | Zendy

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Application of Quadratic Linearization for the Control of Permanent Magnet Synchronous Motor

Author(s) -

Parvathy Ayalur Krishnamoorthy,

V. Kamaraj,

R. Devanathan

Publication year - 2011

Publication title -

advances in power electronics

Language(s) - English

Resource type - Journals

eISSN - 2090-1828

pISSN - 2090-181X

DOI - 10.1155/2011/273081

Subject(s) - control theory (sociology) , feedback linearization , linearization , matlab , computer science , control engineering , quadratic equation , mathematics , engineering , nonlinear system , control (management) , physics , artificial intelligence , geometry , quantum mechanics , operating system

Many of the existing control methods for the permanent magnet synchronous motor (PMSM) either deal with steady state models or consider dynamic models under particular cases. A dynamic model of the PM machine allows powerful control-theoretic techniques such as linearization to be applied to the system. Existing exact feedback linearization of dynamic model of PMSM suffers from singularity issues. In this paper, we propose a quadratic linearization approach for PMSM based on the approximate linearization technique which does not introduce singularities. A MATLAB simulation is used to verify the effectiveness of the linearization technique proposed. Also, to account for higher-order and unmodelled dynamics of PMSM, tuning of the linearizing transformation is proposed and verified using simulation

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