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Guo R.,Shandong University | Guo R.,Shandong Institute of Light Industry | Wang Y.,Shandong University
Asian Journal of Control | Year: 2012

This paper investigates the stability of a class of switched linear systems, and proposes a number of new results on the stability analysis. A novel analysis method is developed by using the 2-norm technique, and then several stability results are obtained based on the new analysis method. It is shown that the main results obtained in this paper not only guarantee the stability of the systems under arbitrary switching, but also provide an algorithm to find the minimum dwell time (MDT) with which switches make the switched systems stable. Finally, several illustrative examples with numerical simulations are studied by using the results obtained in this paper. The study of examples shows that our analysis method works very well in analyzing the stability of some classes of switched linear systems and, moreover, it has some advantages over the common quadratic Lyapunov function method in some cases. Copyright © 2011 John Wiley and Sons Asia Pte Ltd. Source


Qu Y.,Shandong Institute of Light Industry
International Journal of Quantum Chemistry | Year: 2013

The spin crossover compound [Fe(bt)2(NCS)2] has been studied by several density functionals and basis sets. In the calculation, optimized geometries of the compound in the low-, intermediate-, and high-spin states, the vibrational modes and IR spectra, spin splittings energies, excited states, and UV/vis absorption spectra were obtained. © 2012 Wiley Periodicals, Inc. Source


Qu Y.,Shandong Institute of Light Industry
Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy | Year: 2013

(Chemical Equation Presented) The geometries of the spin crossover complex [Fe(mbpzbpy)(NCS)2] were optimized by several density functionals and basis sets. In addition, the vibrational modes and IR spectra, excited states and UV/vis absorption spectra and spin splittings energies were also predicted by DFT/TD-DFT calculations. © 2013 Elsevier B.V. All rights reserved. Source


Liu G.,Shandong Institute of Light Industry
ICIME 2010 - 2010 2nd IEEE International Conference on Information Management and Engineering | Year: 2010

This paper proposed a reference model of independent SaaS platform. Firstly, SaaS software's technical architecture is discussed. Secondly, SaaS platform's responsibilities are analyzed and the infrastructure components of independent SaaS platform are presented. We propose a concept of multi-tenant architecture. Both the vendor and the user pay for using the platform in an on-demand fashion. Finally, we summarize the advantages of independent third-party SaaS platform. By such a SaaS platform various vendors will profit greatly and customers will get the best software services. © 2010 IEEE. Source


Vincent U.E.,Lancaster University | Vincent U.E.,Olabisi Onabanjo University | Guo R.,Shandong Institute of Light Industry
Physics Letters, Section A: General, Atomic and Solid State Physics | Year: 2011

This Letter investigates chaos synchronization of chaotic and hyperchaotic systems. Based on finite-time stability theory, a simple adaptive control method for realizing chaos synchronization in a finite time is proposed. In comparison with previous methods, the present method is not only simple, but could also be easily utilized in application. Numerical simulations are given to illustrate the effectiveness and validity of the proposed approach. © 2011 Elsevier B.V. All rights reserved. Source

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