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Xinbin Chen,Weiwei Zhang,Hongmei Zhang,Hai Zhang 제어·로봇·시스템학회 2023 International Journal of Control, Automation, and Vol.21 No.10
This article discusses the complete synchronization problem for the Caputo derivative quaternion-valued delayed neural networks (QVDNNs). A novel Caputo fractional differential inequality is constructed, and an algebraic inequality result is derived by using the Laplace transform. Applying such algebraic inequality result and designing an adaptive controller with Riemann-Liouville integral operator, the two complete synchronization criteria on the Caputo fractional QVDNNs are established based on the different Lyapunov functionals. The obtained results are presented in algebraic inequality forms, which can greatly reduce the computation complexities in checking the complete synchronization performance. Particularly, the advantages of the obtained criteria are obvious in dealing with high-dimensional network systems. Moreover, the validity of the proposed results is demonstrated by the numerical simulations.
Shuang Chen,Xinbin Ma 한국공업화학회 2017 Journal of Industrial and Engineering Chemistry Vol.45 No.-
VOx-based catalysts showed good performance in selective oxidation of methanol to dimethoxymethane(DMM). For VOx/TS-1 catalyst, the experiments of Temperature Programmed Surface Reaction (TPSR), insitu Infrared spectrometer (in situ IR) and X-ray photoelectron spectroscopy (XPS) were carried out toinvestigate the products distribution of the methanol oxidation reaction and the adsorb-desorptionprocess at active centers. Furthermore, the role of oxygen species during the reaction process over VOx/TS-1 catalyst and the surface reaction mechanism was explored.