Publication date : Jun 2011
Paper File :
RECONFIGURABLE FLOATING-POINT ENGINES FOR THE REAL-TIME.pdf
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Author(s)
T. Ould Bachir,
J.P. David,
J. Mahseredjian,
J. Bélanger,
C. Dufour,
Abstract
The real-time simulation of PMSM drives enables thorough testing of control strategies and allows rapid deployment of automotive applications. However, the simulation of power electronic circuits (PECs) in the context of a PC-based simulation is challenging for several reasons, and imposes a limit in the 1-5 KHz range to the achievable switching frequencies. As FPGA devices gain computing power, conducting the real-time simulation of PECs on chip becomes an attractive alternative. This paper demonstrates the feasibility of high-performance floating-point calculation engines aimed for the real-time simulation of PECs on high-end and low-cost FPGAs as well. The paper discusses emerging paradigms for reconfigurable floating-point computing that favor optimal performance and offer near double precision arithmetic at a minimal hardware cost. A proof of concept is proposed through the on-chip simulation of a 3-phase IGBT inverter drive capable of handling very high switching frequencies.
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