@conference {TilleyF:1989, title = {{Preliminary Results on Noncolocated Torque Control of Space Robot Actuators}}, booktitle = {Proceedings of the NASA Conference on Space Telerobotics}, year = {1989}, month = {February}, publisher = {NASA}, organization = {NASA}, address = {Pasadena, CA}, author = {S. W. Tilley and C. M. Francis and K. Emerick and M. G. Hollars} }