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Output-feedback control design for NCSs subject to quantization and dropout. (English) Zbl 1171.93328

Summary: The output-feedback control problem is considered for networked systems involving in signal quantization and data packet dropout. The states of the controlled system are unavailable and the output signals are quantized before being communicated. An estimation method is introduced to cope with the effect of random packet loss that is modelled as a Bernoulli process. The quantized measurement signals are dealt with by utilizing the sector bound method, in which the quantization error is treated as sector-bounded uncertainty. The output-feedback controller is designed which guarantees that the closed-loop system is exponentially mean-square stable. The simulation example is given to illustrate the proposed method.

MSC:

93B51 Design techniques (robust design, computer-aided design, etc.)
94A12 Signal theory (characterization, reconstruction, filtering, etc.)
90B18 Communication networks in operations research
93E10 Estimation and detection in stochastic control theory
93A15 Large-scale systems
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