Computational Geometry Implementation of Topological Robust Control

Murilo Coutinho
Advisor: Edmond Jonckheere



This is a brief summary of my Ph.D. thesis.
For detailed information, please download a complete version of my thesis. [430K gzipped postscript] [3.6M postscript] [795K pdf]

NOTE: The PDF version does not have all the figures. I am having problems transforming from postscript to PDF.


Introduction:

    Application Domains
    Motivation
    The SimplicialVIEW software package

Theoretical Foundation:

    The Nyquist Stability Criterion
    The Stability Crossover
    The Boundary Behavior of the Nyquist Map
    Simplicial Maps and Approximations
    For more details on the theory, please see the book Algebraic and Differential Topology of Robust Stability, Oxford University Press, by Prof Edmund Jonckheere

Implementation Issues:

    Voronoi Diagram and Delaunay Triangulation
    Algorithm Outline
    Planar Point Location

Examples:

    2-D Multi-channel Phase Margin

Download complete thesis