Hong-bin Wang Chun-di Jiang Hongrui Wang Fuzzy Neural Networks Observer for Robotic Manipulators Based on H ? Approach. 19-24 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3174&spage=19 2004 conf/isnn/2004-2 ISNN (2) db/conf/isnn/isnn2004-2.html#WangJW04