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Event-triggered Predictive Networked Control Systems with Network Imperfections and External Disturbance | ||
| International Journal of Industrial Electronics Control and Optimization | ||
| دوره 5، شماره 1، خرداد 2022، صفحه 11-22 اصل مقاله (1.04 M) | ||
| نوع مقاله: Research Articles | ||
| شناسه دیجیتال (DOI): 10.22111/ieco.2020.35092.1295 | ||
| نویسندگان | ||
| Beheshte Sadeghi Sabzevari* 1؛ Mohammad Haddad Zarif2؛ Seyed Kamal Hosseini Sani3 | ||
| 1electronics department, Shahrood University of Technology,Shahrood, Iran | ||
| 2Shahrood University of Technology, Shahrood, Iran | ||
| 3Ferdowsi University of Mashhad, Mashhad, Iran | ||
| چکیده | ||
| This paper presents a novel event-triggered predictive control (ETPC) approach for the stabilization of discrete-time output-feedback networked control systems (NCSs). The studied NCS is considered to be subject to both random external input and output disturbances, and network imperfections including random communication delay, random packet dropout, packet disorder, limitation of network bandwidth, and network resources. In the proposed algorithm, an observer-based event detector is designed for reducing the number of sent packets through the communication network using the estimated system states by the Luenberger observer. In this way, the system’s energy resources are saved and network-induced effects are skipped. A switched predictive controller with multiple gains are used to compensate for network-induced effects. Controller gains are designed compatible with different possible values of delays and packet dropouts. A novel augmented representation of the state-space equations of the system is derived to design observer gain and controller gains. The asymptotic stability of the system is guaranteed by designing the observer and controller based on the Lyapunov function through solving linear matrix inequalities (LMIs). Putting all the aforementioned points together has made the whole framework presented in this paper a comprehensive one. The effectiveness of the proposed approach is demonstrated by comparative simulation results. | ||
| کلیدواژه‌ها | ||
| Networked control system؛ Event-triggered control؛ Predictive controller؛ Network imperfections؛ Switched controller | ||
| مراجع | ||
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