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A simple switching frequency regulated sliding mode controller for a VSI with a full digital implementation

Author: Repecho, V.; Biel, D.; Olm, Josep M.

Type of activity: Journal article
Journal: IEEE Journal of emerging and selected topics in power electronics
Date of publication: 2020-01-06
First page: 2969553-1
Last page: 2969553-11
DOI: 10.1109/JESTPE.2020.2969553

Repository: http://hdl.handle.net/2117/329892
URL: https://ieeexplore.ieee.org/document/8970306
Abstract: This paper describes the design of a first order sliding mode controller for a VSI operating at fixed switching frequency. The proposal is simple, as it does not include any integral or resonant action in the switching function, and good results are obtained in terms of robustness, steady-state tracking error, fast transient response, and low THD. The implementation methodology using a micro controller preserves all the benefits of a continuous time implementation. Moreover, the paper analyses t...

This paper describes the design of a first order sliding mode controller for a VSI operating at fixed switching frequency. The proposal is simple, as it does not include any integral or resonant action in the switching function, and good results are obtained in terms of robustness, steady-state tracking error, fast transient response, and low THD. The implementation methodology using a micro controller preserves all the benefits of a continuous time implementation. Moreover, the paper analyses the sliding motion dynamics, and stability conditions are derived. Experimental results obtained with a 2.2 kW inverter show that fixed switching frequency operation and robust output voltage regulation with good performance indexes are achieved. © 2020 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
Citation: Repecho, V.; Biel, D.; Olm, J.M. A simple switching frequency regulated sliding mode controller for a VSI with a full digital implementation. "IEEE Journal of emerging and selected topics in power electronics", 6 Gener 2020, p. 2969553-1-2969553-11.
Keywords: Fixed switching frequency, Nonlinear load, Sliding mode control, Voltage source inverter

Group of research: ACES - Advanced Control of Energy Systems
PERC-UPC - Power Electronics Research Centre

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