@inproceedings{CTT100634967, author = {H. Kawai and T. Murao and R. Sato and M. Fujita}, title = {Passivity-based Control for 2DOF Robot Manipulators with Antagonistic Bi-articular Muscles}, booktitle = {Proc. of the 2011 IEEE Multi-conference on Systems and Control}, year = 2011, }