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Risk-Sensitive Control under a Class of Denial-of-Service Attack Models Getachew K Befekadu, Vijay Gupta and Panos J Antsaklis,
 

Summary: Risk-Sensitive Control under a Class of Denial-of-Service Attack Models
Getachew K Befekadu, Vijay Gupta and Panos J Antsaklis,
Abstract-- In this paper, we examine the problem of risk-
sensitive control under a class of Denial-of-Service (DoS) attack
model and derive a solution for the optimal control policy when
attacker jams randomly the control packets in the system.
For a discrete-time partially observed stochastic system with
exponential running cost, we provide an exact solution in terms
of finite-dimensional dynamics of the system via a measure
transformation approach. We use the risk-sensitive criterion
rather than quadratic cost to directly highlight one's belief
about system uncertainties back to the cost functional. Our
results show that the optimal control problem can be considered
with respect to the average path of the DoS attack model.
I. INTRODUCTION
Over the past few years, increasing effort has been placed
in addressing the problem of risk/vulnerability assessment
of malicious attacks against today's critical infrastructure
such as power grids, industrial control systems and bank-
ing/finance sectors (e.g., see references [1]-[6]). The issue of

  

Source: Antsaklis, Panos - Department of Electrical Engineering, University of Notre Dame

 

Collections: Engineering