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Probabilistic Robust Timed Games

机译:概率健壮定时游戏

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摘要

Solving games played on timed automata is a well-known problem and has led to tools and industrial case studies. In these games, the first player (Controller) chooses delays and actions and the second player (Perturbator) resolves the non-determinism of actions. However, the model of timed automata suffers from mathematical idealizations such as infinite precision of clocks and instantaneous synchronization of actions. To address this issue, we extend the theory of timed games in two directions. First, we study the synthesis of robust strategies for Controller which should be tolerant to adversarially chosen clock impreci-sions. Second, we address the case of a stochastic perturbation model where both clock imprecisions and the non-determinism are resolved randomly. These notions of robustness guarantee the implementability of synthesized controllers. We provide characterizations of the resulting games for Buechi conditions, and prove the EXPTIME-completeness of the corresponding decision problems.
机译:解决在定时自动机上玩的游戏是一个众所周知的问题,并导致了工具和行业案例研究。在这些游戏中,第一位玩家(控制器)选择延迟和动作,第二位玩家(扰动者)解决动作的不确定性。但是,定时自动机模型遭受数学上的理想化,例如时钟的无限精度和动作的瞬时同步。为了解决这个问题,我们在两个方向上扩展了定时博弈的理论。首先,我们研究了控制器的鲁棒策略的综合,该策略应能容忍对抗性选择的时钟不精确性。其次,我们解决了随机扰动模型的情况,其中时钟误差和不确定性都是随机解决的。这些健壮性的概念保证了综合控制器的可实施性。我们提供了针对Buechi条件的结果博弈的刻画,并证明了相应决策问题的EXPTIME-完备性。

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