"Art machines" is the term I use for creations in which motion control is actively used in the public performance of the work. In some cases (eg. eggplotting) the machine can be used both in the studio to create static output, or can be displayed while active.

 

Click to Enlarge:
	"Sisyphus I" 1998
	"Sisyphus II" 1999
	"Sisyphus III" Technorama -- Winterthur, Switzerland 2003
	"Stratograph" part of the Science Museum of Minnesota's travelling show: "Exploring Time" 2001
	"Pipedream I" Science Museum of Minnesota, St. Paul 1999
	"Pipedream II" Science Station, Cedar Rapids, Iowa 2000
	"Pipedream III" Ontario Science Centre, Toronto 2006
	"Ribbon Dancer" Installation for the Science Center of Iowa, Des Moines, late summer, 2006.