Comparison of Different Design Alternatives for Hardware-in-the-Loop of Power Converters

This paper aims to compare different design alternatives of hardware-in-the-loop (HIL) for emulating power converters in Field Programmable Gate Arrays (FPGAs). It proposes various numerical formats (fixed and floating-point) and different approaches (pure VHSIC Hardware Description Language (VHDL),...

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Bibliographic Details
Published in:Electronics (Basel) 2021-04, Vol.10 (8), p.926
Main Authors: Zamiri, Elyas, Sanchez, Alberto, Yushkova, Marina, Martínez-García, Maria Sofia, de Castro, Angel
Format: Article
Language:English
Subjects:
Accuracy
Coding
Design
Digital signal processors
Field programmable gate arrays
Floating point arithmetic
Hardware description languages
Hardware-in-the-loop simulation
High level synthesis
Mathematical models
Microprocessors
Numerical methods
Power converters
Simulation
Software
VHSIC (circuits)
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Summary:This paper aims to compare different design alternatives of hardware-in-the-loop (HIL) for emulating power converters in Field Programmable Gate Arrays (FPGAs). It proposes various numerical formats (fixed and floating-point) and different approaches (pure VHSIC Hardware Description Language (VHDL), Intellectual Properties (IPs), automated MATLAB HDL code, and High-Level Synthesis (HLS)) to design power converters. Although the proposed models are simple power electronics HIL systems, the idea can be extended to any HIL system. This study compares the design effort of different coding methods and numerical formats considering possible synthesis tools (Precision and Vivado), and it comprises an analytical discussion in terms of area and speed. The different models are synthesized as ad-hoc modules in general-purpose FPGAs, but also using the NI myRIO device as an example of a commercial tool capable of implementing HIL models. The comparison confirms that the optimum design alternative must be chosen based on the application (complexity, frequency, etc.) and designers’ constraints, such as available area, coding expertise, and design effort.
ISSN:2079-9292
2079-9292
DOI:10.3390/electronics10080926