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In this paper, stochastic optimal strategy for unknown linear networked control system (NCS) quadratic zero-sum games related to H∞ optimal control in the presence of random delays and packet losses is solved in forward-in-time manner. This approach does not require the knowledge of the system matrices since it uses Q-learning. The proposed stochastic optimal control approach, referred as adaptive...
In this paper, the Bellman equation is utilized forward-in-time for the stochastic optimal control of Networked Control System (NCS) with unknown system dynamics in the presence of random delays and packet losses which are unknown. The proposed stochastic optimal control approach, referred normally as adaptive dynamic programming, uses an adaptive estimator (AE) and ideas from Q-learning to solve...
Multiple-prerequisite graph (MP graph) is a type of attack graph that has been developed to help defending large scale enterprise network. As a middle-level attack graph, it has its unique advantages. However, quantitative security evaluations based on MP graph has not been proposed yet. In this paper, we present two stochastic models for quantitative security evaluation using MP graphs. These models...
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