@conference {101, title = {A Hybrid Controller for Global Uniform Exponential Stabilization of Linear Systems with Singular Input Constraints}, booktitle = {Proceedings of the Conference on Decision and Control}, series = {NULL}, year = {2014}, month = {December}, pages = {741--746}, keywords = {attitude control, hybrid systems}, author = {P. Casau and R. G. Sanfelice and C. Silvestre} }