Discrete feedforward sliding mode control of a PWM inverter for sinusoidal output waveform synthesis

Shih Liang Jung; Ying-Yu Tzou

doi:10.1109/PESC.1994.349682

Discrete feedforward sliding mode control of a PWM inverter for sinusoidal output waveform synthesis

Shih Liang Jung^*, Ying-Yu Tzou

^*Corresponding author for this work

National Chiao Tung University

Research output: Contribution to journal › Conference article › peer-review

30 Scopus citations

Abstract

This paper presents a new discrete feedforward sliding mode control scheme for closed-loop regulation of PWM inverters in applications of high-performance uninterruptible power supply (UPS) systems. Owing to the existence of the feedforward path, we don't have to discretize the reference signal with large step size as it did in the previous literature. Moreover, only the output voltage needs to be measured as feedback in the proposed control scheme. A DSP-based digital-controlled PWM inverter has been implemented for examining the actual response of the designed controller. The simulation and experimental results show that the constructed digital PWM inverter control system has fast dynamic response and low total harmonic distortion (THD) under the proposed discrete feedforward sliding mode control scheme.

Original language	English
Pages (from-to)	552-559
Number of pages	8
Journal	PESC Record - IEEE Annual Power Electronics Specialists Conference
Volume	1
DOIs	https://doi.org/10.1109/PESC.1994.349682
State	Published - 1 Dec 1994
Event	Proceedings of the 1994 25th Annual IEEE Power Electronics Specialists Conference. Part 2 (of 2) - Taipei, Taiwan Duration: 20 Jun 1994 → 24 Jun 1994

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abstract = "This paper presents a new discrete feedforward sliding mode control scheme for closed-loop regulation of PWM inverters in applications of high-performance uninterruptible power supply (UPS) systems. Owing to the existence of the feedforward path, we don't have to discretize the reference signal with large step size as it did in the previous literature. Moreover, only the output voltage needs to be measured as feedback in the proposed control scheme. A DSP-based digital-controlled PWM inverter has been implemented for examining the actual response of the designed controller. The simulation and experimental results show that the constructed digital PWM inverter control system has fast dynamic response and low total harmonic distortion (THD) under the proposed discrete feedforward sliding mode control scheme.",

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AB - This paper presents a new discrete feedforward sliding mode control scheme for closed-loop regulation of PWM inverters in applications of high-performance uninterruptible power supply (UPS) systems. Owing to the existence of the feedforward path, we don't have to discretize the reference signal with large step size as it did in the previous literature. Moreover, only the output voltage needs to be measured as feedback in the proposed control scheme. A DSP-based digital-controlled PWM inverter has been implemented for examining the actual response of the designed controller. The simulation and experimental results show that the constructed digital PWM inverter control system has fast dynamic response and low total harmonic distortion (THD) under the proposed discrete feedforward sliding mode control scheme.

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