Volume 14, Issue 1 (March 2018)                   IJEEE 2018, 14(1): 1-10 | Back to browse issues page


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Hamidi A, Ahmadi A, Karimi S. Implementation of Low-Cost Architecture for Control an Active Front End Rectifier. IJEEE. 2018; 14 (1) :1-10
URL: http://ijeee.iust.ac.ir/article-1-1129-en.html
Abstract:   (1472 Views)
In AC-DC power conversion, active front end rectifiers offer several advantages over diode rectifiers such as bidirectional power flow capability, sinusoidal input currents and controllable power factor. A digital finite control set model predictive controller based on fixed-point computations of an active front end rectifier with unity displacement of input voltage and current to improve dynamic response has been presented in this paper. Here by using a predictive cost function and fixed-point computations, the optimal switching state to be applied in the next sampling is selected. The low-cost architecture is implemented on a FPGA platform. Designed architecture is constructed based on fixed-point arithmetic with minimal functional units. The control algorithm, which is used in this architecture, is Finite-Set Model Predictive Control (FS-MPC). Compared with other controllers, this controller provides a much better dynamic performance. Finally, in order to evaluate the accuracy of the fixed-point computations several cases for various loading conditions and word lengths are verified.
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Type of Study: Research Paper | Subject: Power Converters
Received: 2017/07/10 | Accepted: 2017/12/16 | Published: 2018/01/01

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© 2018 by the authors. Licensee IUST, Tehran, Iran. This is an open access journal distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0) license.