1. McGeer, T.: Passive dynamic walking. Int. J. Robot. Res. 9(2), 62–82 (1990)
2. Chevallereau, C., Abba, G., Aoustin, Y., Plestan, F., Westervelt, E.R., Canudas-de-Wit, C., Grizzle, J.W.: RABBIT: a testbed for advanced control theory. IEEE Control Syst. Mag. 23(5), 57–79 (2003)
3. Tedrake, R., Zhang, T.W., Fong, M., Seung, H.S.: Actuating a simple 3D passive dynamic walker. In: Proc. of the IEEE Int. Conf. on Robotics and Automation, pp. 4656–4661 (2004)
4. Remy, C.D., Buffinton, K., Siegwart, R.: Stability analysis of passive dynamic walking of quadrupeds. Int. J. Robot. Res. 29(9), 1173–1185 (2010)
5. Sugimoto, Y., Yoshioka, H., Osuka, K.: Realization and motion analysis of multi-legged passive dynamic walking. In: Proc. of the SICE Annual Conference, pp. 2790–2793 (2010)