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W-Simplex: Resilient network and control co-design under wireless channel uncertainty in cyber-physical systems
- W-Simplex: Resilient network and control co-design under wireless channel uncertainty in cyber-physical systems
- Kim, Dohwan; Won, Yuchang; Eun, Yongsoon; Park, Kyung-Joon
- DGIST Authors
- Eun, Yongsoon; Park, Kyung-Joon
- Issue Date
- 1st Annual IEEE Conference on Control Technology and Applications, CCTA 2017, 49-54
- In this paper, we propose a resilient network and control co-design architecture, Wireless-Simplex (W-Simplex), which can guarantee control performance by adaptively tuning the network and control parameters against wireless channel uncertainty in cyber-physical systems (CPS). To the best of our knowledge, there has been no study on resilient network and control co-design in response to the unreliable wireless channel. Our key observation is that rate adaptation may cause significant degradation in control performance or even system instability. This performance degradation is contrary to the intuition that rate adaptation provides a reliable link under wireless channel uncertainty. We explain the cause of this phenomenon and resolve the situation by proposing a resilient co-design algorithm in an optimization framework. Our simulation study with ns-2 shows the effectiveness of the proposed scheme for providing resilience of CPS against wireless channel uncertainty. © 2017 IEEE.
- Institute of Electrical and Electronics Engineers Inc.
- Related Researcher
DSC Lab(Dynamic Systems and Control Laboratory)
Resilient control systems; Control systems with nonlinear sensors and actuators; Quasi-linear control systems; Intelligent transportation systems; Networked control systems
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- Department of Information and Communication EngineeringDSC Lab(Dynamic Systems and Control Laboratory)2. Conference Papers
Department of Information and Communication EngineeringCSI(Cyber-Physical Systems Integration) Lab2. Conference Papers
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