1. Hutter M, Gehring C, Höpflinger M A, Blösch M, Siegwart R. Toward combining speed, efficiency, versatility, and robustness in an autonomous quadruped. IEEE Transactions on Robotics, 2014, 30, 1427–1440.
2. Kolter J Z, Rodgers M P, Ng A Y. A control architecture for quadruped locomotion over rough terrain. IEEE International Conference on Robotics and Automation (ICRA), Pasadena, CA, USA, 2008, 811–818.
3. Ugurlu B, Havoutis I, Semini C, Caldwell D G. Dynamic trot-walking with the hydraulic quadruped robot-hyQ: Analytical trajectory generation and active compliance control. IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), Tokyo, Japan, 2013, 6044–6051.
4. Sakakibara Y, Kan K, Hosoda Y, Hattori M, Fujie M. Foot trajectory for a quadruped walking machine. IEEE International Workshop on Intelligent Robots and Systems, Towards a New Frontier of Applications, Ibaraki, Japan, 1990, 315–322.
5. Sun L, Meng M Q H, Chen W M, Liang H W, Mei T. Design of quadruped robot based neural network. In Advances in Neural Networks, Liu D, Fei S, Hou Z G, Zhang H, Sun C, eds., Springer, Berlin, Germany, 2007, 843–851.