@ARTICLE{Lopes2014ModelingControlLegged, author={G.A.D. Lopes and B. Kersbergen and T.J.J. van den Boom and B. {D}e Schutter and R. Babu{\v{s}}ka}, title={Modeling and Control of Legged Locomotion via Switching Max-Plus Models}, journal = {IEEE Transactions on Robotics}, year = {2014}, volume = {30}, number={3}, pages = {652--665}, }