@incollection{Bouakrif10, author = {Farah Bouakrif}, title = {Trajectory Tracking Control for Robot Manipulators with no Velocity Measurement Using Semi-Globally and Globally Asymptotically Stable Velocity Observers}, booktitle = {Robot Manipulators}, publisher = {IntechOpen}, address = {Rijeka}, year = {2010}, editor = {Aleksandar Lazinica and Hiroyuki Kawai}, chapter = {2}, doi = {10.5772/9317}, url = {https://doi.org/10.5772/9317} }