1. Behavior Based Robotics;Arkin,1998
2. Mechanical systems with unilateral constraints: Controlled singularities approach;Bentsman,2001
3. Nonnegative Matrices in the Mathematical Sciences;Berman,1979
4. Optimal control of switching surfaces in hybrid dynamical systems;Boccadoro;Discrete Event Dynamic Systems-Theory and Applications,2005
5. A Unified Framework for Hybrid Control: Model and Optimal Control Theory;Branicky;IEEE Trans. Automat. Control,1998