Current control of a PWM inverter using sliding mode control and adaptive parameter estimation

Jeong Uk Lee, Ji Yoon Yoo, Gwi Tae Park

    Research output: Contribution to conferencePaperpeer-review

    10 Citations (Scopus)

    Abstract

    This paper proposes an approach to control the current amplitude and phase simultaneously. To do this, sliding mode control and adaptive parameter estimation are applied to the current control of a single-phase PWM inverter with unknown R-L series load. The load parameters, R and L, are estimated by using the recursive least square method and these parameters are used to adjust the feedback gains of control input. The inverter system is modelled in a second-order system by treating load current variation caused by inductive component as a disturbance. A DSP-based (TMS320C30) PWM inverter controller is implemented to verify the effectiveness of the proposed control scheme. Simulation and experiment based on the second-order model are done and the results show good dynamic response and low THD.

    Original languageEnglish
    Pages372-377
    Number of pages6
    Publication statusPublished - 1994
    EventProceedings of the 20th International Conference on Industrial Electronics, Control and Instrumentation. Part 1 (of 3) - Bologna, Italy
    Duration: 1994 Sept 51994 Sept 9

    Other

    OtherProceedings of the 20th International Conference on Industrial Electronics, Control and Instrumentation. Part 1 (of 3)
    CityBologna, Italy
    Period94/9/594/9/9

    ASJC Scopus subject areas

    • Control and Systems Engineering
    • Electrical and Electronic Engineering

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