Notes

1.Introduction

2.General Properties

3.Phase Plane

4. Equilibrium Finding

5.Qualitative Analysis

6.Controllability and observability of nonlinear systems

7.Stability of nonlinear systems

8. Feedback linearization

10. Nonlinear observers

Dynamic Surface Control papers by D. Swaroop and Bongsob Song.

Robust Discrete Time Variable Structure Control Methods by Kim, Cho and Hedrick is available

Paper by Raghavan and Hedrick available.