Analysis of oscillation and stability for systems with piecewise linear components via saturation functions. - Tingshu Hu; Thomas Thibodeau; Andrew R. Teel (ACC, 2009)

Analysis of linear systems using truncated ellipsoids. - Thomas Thibodeau; Tingshu Hu (ACC, 2009)

Set invariance and performance analysis of linear systems via truncated ellipsoids. - Thomas Thibodeau; Wenchan Tong; Tingshu Hu (Autom., 2009)

A Unified Lyapunov Approach to Analysis of Oscillations and Stability for Systems With Piecewise Linear Elements. - Tingshu Hu; Thomas Thibodeau; Andrew R. Teel (IEEE Trans. Autom. Control., 2010)