M. Lambeck:
"Sensorless INFORM system and CAN for low-cost drives";
Talk: IEEE Conference, Mechatronics & Robotics '04, Aachen, Germany; 09-13-2004 - 09-15-2004; in: "Mechatronics & Robotics", 1/4 (2004), ISBN 3-938153-50-x; 91 - 96.

This paper describes an elegant solution to achieve cost-effective, high-performance drives using the sensorless INFORM system to obtain the rotor position and the CAN bus for connection.

http://aleph.ub.tuwien.ac.at/F?base=tuw01&func=find-c&ccl_term=AC04967851