This paper investigates the numerical issue of a discrete-time induction-motor emulator implementation. The stability analysis of\r\nthe finite-word-length implementation shows a coupling between required word length and the sample rate. We propose specific\r\nguidelines to analyze this coupling and to estimate the required data word length for both signals and coefficients of the model. To\r\nrespect algorithm requirements, an FPGA-based implementation was used for architecture development. The direct torque control\r\nis implemented to verify in real time the AC-motor emulator prototype.
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