Publication date : Jun 2011
Paper File :
Floating-Point Engines for the FPGA-Based.pdf
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Author(s)
Tarek Ould Bachir,
Jean-Pierre David,
Jean Mahseredjian,
Christian Dufour,
Abstract
The real-time simulation of power electronic circuits is challenging for several reasons. A PC-based simulation can hardly achieve time-steps below 5-10 μs: this yields a limit on the maximal power electronic switching frequencies that can be accurately simulated using standard methods. This paper presents a design methodology for the hardware implementation of high-performance FPGA-based floating-point calculation engines aimed for the real-time simulation of power electronic systems. The power electronic circuits are modeled using the associated discrete circuit technique. A calculation time step of 100 ns is achieved for a boost converter, and the simulation results are validated against the SimPowerSystems library. The paper also discusses emerging paradigms for the FPGA-based floatingpoint computation that favor optimal performance and offer near double precision arithmetic at a minimal hardware cost.
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