N. B. O. L. Pettit

Stabilization of Orthogonal Piecewise Linear Systems: Robustness Analysis and Design

Christos A. Yfoulis, A. Muir, Peter E. Wellstead, 1999, HSCC.

Analysis of Piecewise Linear Dynamical Systems

N. B. O. L. Pettit, 1996 .

The Analysis and Stability of Piecewise Linear Dynamical Systems

P. E. Wellstead, N. B. O. L. Pettit, R. Wilson-Jones, 1997 .

Simple control of nonlinear systems

N. B. O. L. Pettit, A. Muir, 1997, 1997 European Control Conference (ECC).