Abstract
This article presents the behavior of an inverter in both DC-DC and DC-AC configurations controlled with a quasi-sliding control technique known as ZAD-FPIC. An analysis of transient behavior, disturbances in the load, changes in the reference signal, and disturbances in the power supply are presented, and control techniques have been designed to manage an inverter in real-time. The software has been designed to execute the controllers by using Simulink-MATLAB libraries and the ones provided when installing the DS1104 board. The digitally implemented ZAD-FPIC controllers use a DS1104 in order to control the converter and thus meet the requirements of fixed switching frequency, robustness, and good performance in DC signal regulation tasks. The controllers work well during the transient state because they dampen overshoots and reduce settling times. The results show that the system regulates well before changes of the reference and rejects disturbances in the load and the source voltage. Additionally, it has been observed that the regulation error varies depending on the reference voltage level.
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