Some papers about the motion control.
http://www.newport.com/store/xq/ASP/...qx/product.htm
Torque/Speed Curves : [url]http://lancet.mit.edu/motors/motors4.html/url]
http://lancet.mit.edu/motors/motors3.html#torqueunits
feedback devices: http://www.compumotor.com/catalog/cataloga/A39-A44.pdf
resolvers: http://www.admotec.com/TT02.html
Some formulas: http://www.allegromicro.com/techpub2/airpax/smh1213.pdf
Step motors:
http://zone.ni.com/devzone/devzone.n...ode=DZ52477_US