Stabilization of distributed cyber physical systems subject to denial-of-service attack
Magdi S. Mahmoud, Mutaz M. Hamdan
Abstract
Cyber Physical Systems (CPS) are defined over the integrations of computation, communication, and control to achieve the desired performance of modern physical processes. It turns out that security threats have a high possibility of affecting CPS and can be affected by several cyber attacks without providing any indication about failure. In this paper, we examine the stabilisation of distributed CPS affected by a denial of service (DoS) attack. First, a static output feedback controller will be designed to achieve the stability of a nominal distributed system. Then, a simple and typical scenario where communication sequence is purely Round-robin is considered and a bound of attack frequency and duration is calculated to ensure the stability of the distributed CPS. Finally, a numerical example is provided to demonstrate the feasibility of the proposed system.