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METHODS, SYSTEMS AND APPARATUS FOR ADJUSTING MODULATION INDEX TO IMPROVE LINEARITY OF PHASE VOLTAGE COMMANDS

United States Patent Application

20130033206
A1
View the Complete Application 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
August 3, 2011
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0001] 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.