@incollection{Karimoddini11, author = {Ali Karimoddini and Guowei Cai and Ben M. Chen and Hai Lin and Tong H. Lee}, title = {Hierarchical Control Design of a UAV Helicopter}, booktitle = {Advances in Flight Control Systems}, publisher = {IntechOpen}, address = {Rijeka}, year = {2011}, editor = {Agneta Balint}, chapter = {12}, doi = {10.5772/16170}, url = {https://doi.org/10.5772/16170} }