KEYWORDS: Digital electronics, Analog electronics, Device simulation, Control systems, Field programmable gate arrays, Digital electronic circuits, Data modeling, Digital signal processing, Electronics, Prototyping
In the design of Power Electronics converters, several approaches can be chosen for the implementation of the closed
loop control. The use of a digital control loop implemented in a FPGA is becoming quite common. For the design of
such a system, a simulation environment must be provided to check the digital and analog part working together. The
simulation of both the analog and digital part is a very difficult task, which involves the simultaneous usage of an analog
and a digital simulator, or the use of a mixed signal simulator. In this paper, we present a method to perform mixed
signal simulation. The simulation is performed by linking PSIM analog simulator and ModelSim digital simulator. This
method has proven to be very effective in the design of digital control circuits for power converters, implemented in
FPGAs.
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