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Methods, systems and apparatus for adjusting modulation index to improve linearity of phase voltage commands

United States Patent

9,595,902
March 14, 2017
View the Complete Patent at the US Patent & Trademark Office
Embodiments of the present invention relate to methods, systems and apparatus for controlling operation of a multi-phase machine in a motor drive system. The disclosed embodiments provide a mechanism for adjusting modulation index of voltage commands to improve linearity of the voltage commands.
Gallegos-Lopez; Gabriel (Lomita, CA), Perisic; Milun (Torrance, CA), Kinoshita; Michael H. (Redondo Beach, CA)
GM GLOBAL TECHNOLOGY OPERATIONS LLC (Detroit, MI)
13/ 197,629
20130033206
August 3, 2011
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with Government support under DE-FC26-07NT43123 awarded by the US-Department of Energy. The Government has certain rights in this invention.