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1. A Study on VEPs by Multivariate Phase Synchronization Method | |||
Ling Li,Yang Xia | |||
Information Science and System Science 22 May 2007 | |||
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Abstract:Functional connectivity is defined as the temporal coherence between activities of different brain areas. One of the most useful methods to estimate functional connectivity is cross-correlation or coherence of the signals between pairs of scalp electrodes. The multivariate phase synchronization cluster approach is proposed in this paper to estimate the global connectivity based on the scalp EEG waveforms. The simulation results demonstrate that the connectivity sources can be found out and the difference of connectivity strength can be distinguished correctly. Then the analyses of real VEPs data related to human spatial selective attention study show that four connectivity sources can be detected and the difference of connectivity between attention and unattention experiments is quite distinct. In attention cases the connectivity sources are the opposite occipital and the same side frontal, but in unattention cases they are the middle parietal and the posterior occipital. | |||
TO cite this article:Ling Li,Yang Xia. A Study on VEPs by Multivariate Phase Synchronization Method[OL].[22 May 2007] http://en.paper.edu.cn/en_releasepaper/content/12957 |
2. Stochastic H2/H8 design with spectrum constraint | |||
Zhongwei Lin,Weihai Zhang | |||
Information Science and System Science 10 April 2007 | |||
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Abstract:This paper considers the problem of state-feedback H2/H8 control design with spectrum constraint for stochastic systems. Assigning the spectrum into a strip region, in the state-feedback case, mixed H2/H8 synthesis with spectrum constraint is discussed via LMI optimization. | |||
TO cite this article:Zhongwei Lin,Weihai Zhang. Stochastic H2/H8 design with spectrum constraint[OL].[10 April 2007] http://en.paper.edu.cn/en_releasepaper/content/12092 |
3. Partial Generalized Synchronization Theorem of Differential and Discrete Systems with Applications in Encryption Scheme | |||
Jing Jianyi,Min Lequan,Zhao Geng | |||
Information Science and System Science 22 January 2007 | |||
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Abstract:This paper presents two theorems for designing controller to make two independent (chaotic) differential equation systems or two independent (chaotic) discrete systems realize directional partial generalized synchronization (PGS). Two numerical simulation examples are given to illustrate the effectiveness of the proposed Theorems. A non-symmetric encryption scheme is introduced based on the theorems. It can be expected that our theorems provide new tools for understanding and studying PGS phenomena and information encryption. | |||
TO cite this article:Jing Jianyi,Min Lequan,Zhao Geng. Partial Generalized Synchronization Theorem of Differential and Discrete Systems with Applications in Encryption Scheme[OL].[22 January 2007] http://en.paper.edu.cn/en_releasepaper/content/10836 |
4. Extending FCD Process to Support COTS Selection | |||
Sheng Jinfang,Wang Bin,Chen Songqiao | |||
Information Science and System Science 28 November 2006 | |||
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Abstract:In large software system, components depend on each other and should not be evaluated individually. The proposed methods for single COTS selection don’t fit multiple COTS selection well. This paper proposes a multiple COTS selection process based on extension of a proven system decomposition technique FCD. During the process of decomposition, local requirements and crosscutting requirements are identified. Local requirements are allocated into modules as local evaluation criteria for candidates COTS while crosscutting requirements are considered in global selection. Our process supports requirements adaptation to capabilities inherent in COTS products and takes into consideration varying granularity of COTS as well. The global selection is described as a nonlinearly constrained optimization problem with the purpose of determining an optimal combination of COTS products with maximal global fitness under certain constraints. | |||
TO cite this article:Sheng Jinfang,Wang Bin,Chen Songqiao. Extending FCD Process to Support COTS Selection[OL].[28 November 2006] http://en.paper.edu.cn/en_releasepaper/content/9986 |
5. Stability analysis and systematic design of Takagi-Sugeno fuzzy control systems | |||
Xiu Zhihong,Ren Guang | |||
Information Science and System Science 30 October 2006 | |||
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Abstract:The stability analysis and systematic design technique of Takagi-Sugeno (T-S) fuzzy control systems are discussed. The standard fuzzy partition (SFP) of the input variables of fuzzy control systems is defined. Based on the properties of fuzzy control systems with SFP inputs, the stability of both the input-free T-S fuzzy systems and the closed-loop T-S fuzzy control systems are studied in detail with the extended Lyapunov theory, and two theorems to check the stability of T-S fuzzy control systems are proposed. These methods which only require to find a common positive-definite matrix in each maximal overlapped-rules group (MORG), can reduce the conservatism and difficulty of the former stability analysis approaches. Using the method of parallel distributed compensation (PDC), the systematic design approach of T-S fuzzy control systems is presented. The simulation results of three examples show that these methods are effective. | |||
TO cite this article:Xiu Zhihong,Ren Guang. Stability analysis and systematic design of Takagi-Sugeno fuzzy control systems[OL].[30 October 2006] http://en.paper.edu.cn/en_releasepaper/content/9129 |
6. An Association Based Approach to Discovering Ordering Rules | |||
Liu Dazhong | |||
Information Science and System Science 25 October 2006 | |||
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Abstract:The work presented in this paper focuses on discovering ordering rules between ordinal attributes. Generally speaking, rough set theory is the foundation of many algorithms of mining ordering rules. We provide a new approach using algorithm of mining association rules to solve this problem. The key to the problem is to transform information tables into transaction database. The comparison results demonstrate that the ordering rules mined by our method are comprehensive and more interesting. | |||
TO cite this article:Liu Dazhong . An Association Based Approach to Discovering Ordering Rules[OL].[25 October 2006] http://en.paper.edu.cn/en_releasepaper/content/8990 |
7. Robust Static Output Feedback Control for Discrete-time Diamond Uncertain Systems | |||
Li Junmin | |||
Information Science and System Science 10 July 2006 | |||
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Abstract:An output feedback control of discrete-time diamond uncertainty MIMO systems is presented by the result of finite extreme testing. By means of the finite LQ problems simultaneously obtaining optimization, we obtain a method of determining the output feedback gain matrix K,which ensure the diamond closed-loop systems to be stable. A numerical example also is given to demonstrate the efficient of the method | |||
TO cite this article:Li Junmin. Robust Static Output Feedback Control for Discrete-time Diamond Uncertain Systems[OL].[10 July 2006] http://en.paper.edu.cn/en_releasepaper/content/7518 |
8. Fuzzy Prediction of Environment Quality | |||
Liu Tao,Li Ying | |||
Information Science and System Science 27 June 2006 | |||
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Abstract:In the paper, the fuzzy inference model of prediction was established. The environment quality of a specifically city, Fuxin, was estimated and predicted with the approach of characteristic expansion, and the indices which mainly determined the whole environment quality of the given city were achieved. | |||
TO cite this article:Liu Tao,Li Ying. Fuzzy Prediction of Environment Quality[OL].[27 June 2006] http://en.paper.edu.cn/en_releasepaper/content/7348 |
9. The Accuracy of Analogical Reasoning | |||
Xu Xiao | |||
Information Science and System Science 05 June 2006 | |||
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Abstract:The discussion of intuitive system of human beings is a hot spot in the Knowledge Engineering and management field. Intuitive system is referred to analogical reasoning. Analogical reasoning is discussed frequently in cognition and artificial intelligence field because of its’ creative power. But its’ accuracy of solving problem is less mentioned. In this article, the research history of analogical reasoning in cognition field is introduced briefly and two examples of analogical reasoning, which are a four-term problem and Rutherford’s atomic model respectively, are shown. And then, concerning the creativity of the analogical reasoning, the key step, relation-shift process, is abstracted, which is that a relation exists in the base domain should exist in the target domain if another relation exists in both and the components are aligned according to structure-mapping theory. The accuracy of the key step is discussed mathematically. Two definitions, shifted relation and aligned relation, are clarified. Then this problem about accuracy is transformed two statistic problems, which are referred to conditional probabilities. And we draw a conclusion that if positive correlations between the aligned relations and the shifted relations are higher, or if the correlations between the aligned relations are less, the answer is more right. At last, this article suggests that the improving work of the solution of this problem should focus on the statistic ways. | |||
TO cite this article:Xu Xiao. The Accuracy of Analogical Reasoning[OL].[ 5 June 2006] http://en.paper.edu.cn/en_releasepaper/content/6931 |
10. BP Neural Network principle and MATLAB Simulation | |||
Xiong Xin,Nie Mingxin | |||
Information Science and System Science 19 May 2006 | |||
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Abstract: This paper introduces the prevalent BP algorithm in neural network, and discusses the goodness、problem and training process of BP neural network, as well as using MATLAB software to simulate the numbers on the basis of it. At last, several improved BP training algorithms have been compared in the paper. | |||
TO cite this article:Xiong Xin,Nie Mingxin. BP Neural Network principle and MATLAB Simulation[OL].[19 May 2006] http://en.paper.edu.cn/en_releasepaper/content/6688 |
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