About: http://webisa.webdatacommons.org/103564760

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	In real world implementations of feedback control systems, however, disturbances such as friction are always present and interfere with system performance.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca