About: http://webisa.webdatacommons.org/121150603

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	It will be appreciated that as speeds climb above a threshold at which back EMF becomes a factor, other methods for determining rotor position may be implemented, such as a method that estimates the rotor position from back EMF readings.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk