TY - JOUR AU - TI - The Spring Loaded Inverted Pendulum as the Hybrid Zero Dynamics of an Asymmetric Hopper JF - IEEE Transactions on Automatic Control DO - 10.1109/tac.2009.2024565 DA - 2009-08-01 UR - https://www.deepdyve.com/lp/unpaywall/the-spring-loaded-inverted-pendulum-as-the-hybrid-zero-dynamics-of-an-BKTa6zk1WT DP - DeepDyve ER -