Patent 7701154 was granted and assigned to BAYERISCHE MOTOREN WERKE AKTIENGESELLSCHAFT on April, 2010 by the United States Patent and Trademark Office.
An electric drive system includes a multi-phase electric machine, multiple electrical power output stages, and devices for controlling and/or regulating the electric machine, which are connected to the electrical power output stages. At least two control units are provided for control and/or regulation, at least one power output stage group being assigned to each control unit.