Experimental High Performance Control of Two Permanent Magnet Synchronous Machines in an Integrated Drive for Automotive Applications

Closed-loop control of an integrated dual-inverter which is able to drive two permanent magnet motors independently is presented and evaluated experimentally. By utilizing the neutral point of the main traction motor, only two inverter legs are needed for the two-phase auxiliary motor. A modified field oriented control scheme for this integrated inverter was introduced and employed in real-time control. Experimental results show that the inverter is able to control two drives independently. An integrated, component-count-reduced drive is achieved