Visible to the public A Robust Control Architecture for Mitigating Sensor and Actuator Attacks on PV Converter

TitleA Robust Control Architecture for Mitigating Sensor and Actuator Attacks on PV Converter
Publication TypeConference Paper
Year of Publication2019
AuthorsShen, Yitong, Wang, Lingfeng, Lau, Jim Pikkin, Liu, Zhaoxi
Conference Name2019 IEEE PES GTD Grand International Conference and Exposition Asia (GTD Asia)
Keywordsactuator attacks, actuator security, actuators, composability, Computer crime, control system synthesis, controller design, Cyber-physical systems, cybersecurity, DC-DC photovoltaic converter, DC-DC power convertors, Human Behavior, injected attack signals, Metrics, mitigating potential cyberattacks, mitigating sensor, p-synthesis robust control architecture, Perturbation methods, Photovoltaic Converter, photovoltaic power systems, pubcrawl, PV converter system, Resiliency, robust control, security of data, Sensor and Actuator Attacks, system state matrix, system uncertainty perturbations, Uncertainty, μ-synthesis robust controller exhibits
AbstractThe cybersecurity of the modern control system is becoming a critical issue to the cyber-physical systems (CPS). Mitigating potential cyberattacks in the control system is an important concern in the controller design to enhance the resilience of the overall system. This paper presents a novel robust control architecture for the PV converter system to mitigate the sensor and actuator attack and reduce the influence of the system uncertainty. The sensor and actuator attack is a vicious attack scenario when the attack signals are injected into the sensor and actuator in a CPS simultaneously. A p-synthesis robust control architecture is proposed to mitigate the sensor and actuator attack and limit the system uncertainty perturbations in a DC-DC photovoltaic (PV) converter. A new system state matrix and control architecture is presented by integrating the original system state, injected attack signals and system uncertainty perturbations. In the case study, the proposed μ-synthesis robust controller exhibits a robust performance in the face of the sensor and actuator attack.
Citation Keyshen_robust_2019