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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-fa.html
Implementation of Low-Cost Architecture for Control an Active Front End Rectifier. . 1396; 14 (1) :1-10

URL: http://ijeee.iust.ac.ir/article-1-1129-fa.html


چکیده:   (1170 مشاهده)
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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نوع مطالعه: Research Paper | موضوع مقاله: 1-Power Converters
دریافت: ۱۳۹۶/۴/۱۹ | پذیرش: ۱۳۹۶/۹/۲۵ | انتشار: ۱۳۹۶/۱۰/۱۱