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Wireless Body Area Networks (WBANs) are made up of tiny physiological sensors implanted in/on the human body which detect the health status of human body and transmit the information collected to the remote server via one or more coordinators. The rapid proliferation of WBANs has stimulated enormous research efforts that aim to maximize the lifetime of battery-powered sensor nodes and extend the overall...
This paper proposes a systematic adaptive sliding mode controller design for the decentralized system with nonlinear interactions and unmatched uncertainties. An adaptive tuning approach is developed to deal with unknown but bounded uncertainties/interactions. The sliding surface is designed which obviates the use of regular transformation, by solving a simple LMI-based optimization problem. The feasibility...
The system in this paper is defined with four modes: normal, abnormal, hidden fault and failure. The maintenance and detection policy vary with the detection result under different mode. A simulation algorithm of operational availability and maintenance cost for multi-state system considering detection strategy is given. The algorithm can not only work out optimizing system mode critical value and...
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