%0 Journal Article %T Disturbance observer-based adaptive position control for a cutterhead anti-torque system %A Zhang, Hangjun %A Fang, Jinhui %A Yu, Huan %A Hu, Huibin %A Yang, Yuzhu %J PLoS ONE %V 17 %N 5 %D 2022-05-24 %I Public Library of Science %~ DeepDyve