This site suggests that motion control is also an emerging medium for artistic expression. Gallery of robots, industrial equipment, and other kinetic devices which are either used to create art or are themselves art.

Giant robots, atomic weapons, Brotron death rays, and other atomic age sculpture by artist Greg Brotherton

An artist coop that works with robotic, mechanical and electronic devices. They re-invent and dismantle existing technology with an artistic approach. Their goal is understanding of the relation between man and machine and man and systems.

Robotic Sculpture, built by Carl Pisaturo. Pictured and described.