Minimax control of switching systems under sampling

Research output: Contribution to journalArticlepeer-review


We consider a general class of systems subject to two types of uncertainty: A continuous deterministic uncertainty that affects the system dynamics, and a discrete stochastic uncertainty that leads to jumps in the system structure at random times, with the latter described by a continuous-time finite state Markov chain. When only sampled values of the system state is available to the controller, along with perfect measurements on the state of the Markov chain, we obtain a characterization of minimax controllers, which involves the solutions of two finite sets of coupled PDEs, and a finite dimensional compensator. For the linear-quadratic case, a complete characterization is given in terms of coupled generalized Riccati equations, which also provides the solution to a particular H optimal control problem with randomly switching system structure and sampled state measurements.

Original languageEnglish (US)
Pages (from-to)315-325
Number of pages11
JournalSystems and Control Letters
Issue number5
StatePublished - Aug 8 1995


  • H control
  • Markov chain
  • Minimax control
  • Sampling
  • Switching
  • Variable structure

ASJC Scopus subject areas

  • Control and Systems Engineering
  • General Computer Science
  • Mechanical Engineering
  • Electrical and Electronic Engineering


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