@conference {59,
	title = {Attitude Control for Optimal Generation of Energy From Multiple Energy Sources},
	booktitle = {Proceedings of the ASEE Conference},
	series = {NULL},
	year = {2012},
	address = {Chicago, IL},
	keywords = {attitude control},
	author = {M. Robles and R. G. Sanfelice and G. Campa}
}
@conference {46,
	title = {Hybrid Controllers for Tracking of Impulsive Reference Trajectories: A Hybrid Exosystem Approach},
	booktitle = {Proc. 14th International Conference Hybrid Systems: Control and Computation},
	series = {NULL},
	year = {2011},
	pages = {231{\textendash}240},
	keywords = {hybrid systems},
	url = {https://hybrid.soe.ucsc.edu/files/preprints/46.pdf},
	author = {M. Robles and R. G. Sanfelice}
}
