期刊
IEEE TRANSACTIONS ON CONTROL SYSTEMS TECHNOLOGY
卷 24, 期 3, 页码 843-852出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TCST.2015.2462741
关键词
Attack scheduling; Denial-of-Service (DoS) attack; energy constraint; Linear Quadratic Gaussian (LQG) control; system stability
资金
- National Natural Science Foundation of China [U1401253, 61429301]
- National Program for Special Support of Top Notch Young Professionals
- Fundamental Research Funds for the Central Universities [2014XZZX001-03]
- Hong Kong University of Science and Technology Caltech Partnership [FP004]
- University Science Research General Project of Jiangsu Province [15KJB510002]
Recently, many literature works have considered the security issues of wireless networked control system (WNCS). However, few works studied how the attacker should optimize its attack schedule in order to maximize the effect on the system performance due to the insufficiency of energy at the attacker side. This paper fills this gap from the aspect of control system performance. We consider the optimal jamming attack that maximizes the Linear Quadratic Gaussian (LQG) control cost function under energy constraint. After analyzing the properties of the cost function under an arbitrary attack schedule, we derive the optimal jamming attack schedule and the corresponding cost function. System stability under this optimal attack schedule is also considered. We further investigate the optimal attack schedule in a WNCS with multiple subsystems. Different examples are provided to demonstrate the effectiveness of the proposed optimal denial-of-service attack schedule.
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