@INPROCEEDINGS{Braaksma2004HybridControlDesign, author = {J. Braaksma and B. Klaassens and R. Babu\v{s}ka and C. de Keizer}, title = {Hybrid Control Design for a Robot Manipulator in a Shield Tunneling Machine}, booktitle = {Proceedings International Conference on Informatics in Control, Automation and Robotics}, address = {Set\'ubal, Portugal}, month = aug, pages = {185--192}, year = 2004 }