@incollection{Yang11,
author = {Chifu Yang and Junwei Han and O.Ogbobe Peter and Qitao Huang},
title = {PID control with gravity compensation for hydraulic 6-DOF parallel manipulator},
booktitle = {PID Control},
publisher = {IntechOpen},
address = {Rijeka},
year = {2011},
editor = {Tamer Mansour},
chapter = {5},
doi = {10.5772/16023},
url = {https://doi.org/10.5772/16023}
}