PE-FPGA.com

Here’s a very extensive article written in two parts (part 1 here, part 2 here) by John Smitty of Actel Corporation.
According to Smitty, “the potential energy savings are staggering. Over 40 million electric motors are used in manufacturing operations in the United States alone. Electric motors account for 65 to 70 percent of industrial electrical energy consumption […]

Here’s a recent article written by Greg Crouch, Embedded Systems Business Director at National Instrument., on the topic of FPGA-based motor control for Factory Automation.

Embedded-machine builder EUROelectronics reduced power use with FPGA-based field-oriented control (Source : National Instruments)
“FPGA-based algorithm control delivers better efficiency than microprocessors can achieve. A wide range of control-system algorithms are available, […]