Syllabus

Hybrid Systems

  1. Fundamentals
    1. Motivating examples: Automotive transmission control; Internet congestion control; Automated highway systems.
    2. Definitions and models of switched and hybrid systems: Finite automata; Ordinary differential equations; Differential inclusions; Deterministic and stochastic hybrid systems.
    3. Existence and uniqueness of solutions for switched and hybrid systems.
  2. General Stability Theory
    1. Practical importance of stability
    2. Definitions and core concepts: Stability, attractivity, asymptotic stability and exponential stability
    3. Lyapunov functions
    4. Definition of key stability problems for switched systems
    5. Basic results on periodic systems – Floquet theory
  3. Stability under Arbitrary Switching
    1. Common Lyapunov functions and converse theorems
    2. Common quadratic Lyapunov functions
    3. Non-quadratic Lyapunov functions
    4. Triangular and Lie-algebraic results
    5. Instability theorems
  4. Further Stability Questions
    1. Dwell-time and slow-switching regimes
    2. Multiple Lyapunov Functions
    3. State-dependent switching
    4. Piecewise quadratic and piecewise linear Lyapunov functions
    5. Stabilising switching laws
  5. Applications
    1. ABS control – Supervisory/Adaptive control; Multiple-models
      switching & tuning; ABS design.

    2. TCP Congestion control & Synchronised communication networks;

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