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Quantifying the role of pre-existing tissue resident cellular immunity in limiting respiratory virus transmission. [PDF]
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Fixed-Time Fuzzy Control for a Class of Nonlinear Systems
IEEE Transactions on Cybernetics, 2022Fixed-time tracking control is considered for a class of nonlinear systems in this article. Different from the conventional literature on fixed-time control studies, in this article, the nonlinearities of systems are all completely unknown. Fuzzy-logic systems are utilized to model these unknown nonlinearities. To deal with the fixed-time control under
C L Philip Chen, Zhi Liu, Fang Wang
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Fixed-time ESO based fixed-time integral terminal sliding mode controller design for a missile
ISA Transactions, 2022This paper studies a novel fixed-time extended state observer based fixed-time integral terminal sliding mode controller for partial integrated guidance and control design. Firstly, a class of arbitrary-order systems with fixed-time stability is proposed by utilizing homogeneous approach, whose upper bound of convergence time is given.
Shaoping Chang, Nan Jin, Zhiqiang Zuo
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Fixed-time control of competitive complex networks
Neural Computing and Applications, 2021This paper aims to establish several synchronization criteria of competitive complex networks (CCNs) by using fixed-time (FDT) control. In CCNs, the variations of different nodes are diverse if they are influenced by external environment. Here, we design two types of controller to deal with the different variations of nodes.
Wanli Zhang +4 more
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Fixed-time attitude tracking control for spacecraft based on a fixed-time extended state observer
Science China Information Sciences, 2021This paper deals with the problem of fixed-time attitude tracking control for spacecraft subject to model uncertainties and external disturbances. Firstly, by using a fixed-time extended state observer (FxTESO), the synthetic uncertainties generated by external disturbances and model deviations can be estimated and compensated accordingly. We propose a
Lijun Zhang +3 more
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Neural Processing Letters, 2021
In this paper, we emphasize on a novel fast fixed-time control strategy and its application to fixed-time synchronization control of semi-Markov jump delayed Cohen-Grossberg neural networks (SMJDCGNNs). First, we consider a class of SMJDCGNNs. Second, a novel fast fixed-time control strategy is proposed and designed to control the considered delayed ...
Xin Wang 0049 +4 more
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In this paper, we emphasize on a novel fast fixed-time control strategy and its application to fixed-time synchronization control of semi-Markov jump delayed Cohen-Grossberg neural networks (SMJDCGNNs). First, we consider a class of SMJDCGNNs. Second, a novel fast fixed-time control strategy is proposed and designed to control the considered delayed ...
Xin Wang 0049 +4 more
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Fixed-Time-Synchronized Consensus Control of Multiagent Systems
IEEE Transactions on Control of Network Systems, 2021In this article, a unique multiagent control problem is defined—all the elements of all the agent states reaching consensus at the same time, i.e., the multiagent system achieves time-synchronized consensus and fixed-time-synchronized consensus, where the upper bound of the synchronized settling time is independent of the initial states of multiagent ...
Dongyu Li, Shuzhi Sam Ge, Tong Heng Lee
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Fixed-Time Quasi-Containment Control with Antagonistic Nodes
2019 IEEE 15th International Conference on Control and Automation (ICCA), 2019This paper investigates the fixed-time quasi-containment control problem of networked multi-agent systems in the presence of antagonistic nodes. Multiple agents are nominated as the leaders, while the remaining agents are the followers. Among the leaders, some of them disseminate not the real state but an opposite one described by scaling parameters. A
Zhicheng Zhang +2 more
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