@article{eprints1811, number = {9}, author = {Matteo Rubagotti and Sergio Trimboli and Alberto Bemporad}, title = {Stability and Invariance Analysis of Uncertain Discrete-Time Piecewise Affine Systems}, journal = {IEEE Transactions on Automatic Control }, month = {September}, volume = {58}, publisher = {IEEE }, pages = {2359--2365}, year = {2013}, keywords = {Model predictive control (MPC); piecewise affine (PWA); piecewise quadratic (PWQ) }, abstract = {This note proposes a method to analyze uniform asymptotic stability and uniform ultimate boundedness of uncertain piecewise affine systems whose dynamics are only defined in a bounded and possibly non-invariant set X of states. The approach relies on introducing fake dynamics outside X and on synthesizing a piecewise affine and possibly discontinuous Lyapunov function via linear programming. The existence of such a function proves stability properties of the original system and allows the determination of a region of attraction contained in X. The procedure is particularly useful in practical applications for analyzing the stability of piecewise affine control systems that are only defined over a bounded subset X of the state space, and to determine whether for a given set of initial conditions the trajectories of the state vector remain within the domain X.}, url = {http://eprints.imtlucca.it/1811/} }