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Safety Verification of Continuous-Space Pure Jump Markov Processes

  • Sadegh Esmaeil Zadeh SoudjaniEmail author
  • Rupak Majumdar
  • Alessandro Abate
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9636)

Abstract

We study the probabilistic safety verification problem for pure jump Markov processes, a class of models that generalizes continuous-time Markov chains over continuous (uncountable) state spaces. Solutions of these processes are piecewise constant, right-continuous functions from time to states. Their jump (or reset) times are realizations of a Poisson process, characterized by a jump rate function that can be both time- and state-dependent. Upon jumping in time, the new state of the solution process is specified according to a (continuous) stochastic conditional kernel. After providing a full characterization of safety properties of these processes, we describe a formal method to abstract the process as a finite-state discrete-time Markov chain; this approach is formal in that it provides a-priori error bounds on the precision of the abstraction, based on the continuity properties of the stochastic kernel of the process and of its jump rate function. We illustrate the approach on a case study of thermostatically controlled loads.

Keywords

Transition Kernel Jump Time Continuous State Space Gaussian Density Function Demand Response Program 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2016

Authors and Affiliations

  • Sadegh Esmaeil Zadeh Soudjani
    • 1
    Email author
  • Rupak Majumdar
    • 2
  • Alessandro Abate
    • 1
  1. 1.Department of Computer ScienceUniversity of OxfordOxfordUK
  2. 2.Max Planck Institute for Software SystemsKaiserslautern and SaarbrückenGermany

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