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AQM scheme design for TCP network via Takagi-Sugeno fuzzy method 基于Takagi-Sugeno模糊方法的TCP网络AQM方案设计
Complex psychiatry Pub Date : 2016-11-01 DOI: 10.1002/cplx.21838
Sheng Xu, M. Fei, Xinhao Yang, Liqin Wu
{"title":"AQM scheme design for TCP network via Takagi-Sugeno fuzzy method","authors":"Sheng Xu, M. Fei, Xinhao Yang, Liqin Wu","doi":"10.1002/cplx.21838","DOIUrl":"https://doi.org/10.1002/cplx.21838","url":null,"abstract":"This paper proposes a novel T-S fuzzy control method instead of the traditional linear system control method to improve the TCP network performance. Thus a TCP network can be modeled as a T-S fuzzy system, and by use of linear matrix inequality method and cone complementarity linearization algorithm, a fuzzy state feedback controller is provided while considering the problem of the asynchronous membership grades between the controller and the plant. Simulation results are presented to show that the proposed control approach can guarantee the asymptotical stability of the studied system and the desired queue size. © 2016 Wiley Periodicals, Inc. Complexity 21: 606–612, 2016","PeriodicalId":72654,"journal":{"name":"Complex psychiatry","volume":"228 1","pages":"606-612"},"PeriodicalIF":0.0,"publicationDate":"2016-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77550126","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Relaxed stability conditions for continuous-time Takagi-Sugeno fuzzy systems based on a new upper bound inequality 基于新上界不等式的连续时间Takagi-Sugeno模糊系统的松弛稳定性条件
Complex psychiatry Pub Date : 2016-11-01 DOI: 10.1002/cplx.21805
Tieyan Zhang, Yuan Yu, Yan Zhao
{"title":"Relaxed stability conditions for continuous-time Takagi-Sugeno fuzzy systems based on a new upper bound inequality","authors":"Tieyan Zhang, Yuan Yu, Yan Zhao","doi":"10.1002/cplx.21805","DOIUrl":"https://doi.org/10.1002/cplx.21805","url":null,"abstract":"The important issue of reducing the conservatism of feasible stability criteria for continuous-time Takagi–Sugeno fuzzy systems is studied in this article. In order to obtain more advanced result than previous ones, a new upper bound inequality is proposed and thus the properties of the normalized fuzzy weighting functions’ time derivatives can be better used than the previous ones. In particular, the so-called ‘‘redundant terms’’ considered in previous literature can be converted to ‘‘useful terms’’ which play a positive role in the underlying analysis process. Moreover, some useless additional variables and their derived inequalities are removed for enhancing the efficiency. Finally, an illustrative example is given to show the effectiveness of the proposed method. VC 2016 Wiley Periodicals, Inc. Complexity 000: 00–00, 2016","PeriodicalId":72654,"journal":{"name":"Complex psychiatry","volume":"69 1","pages":"289-295"},"PeriodicalIF":0.0,"publicationDate":"2016-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88902583","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Net demand prediction for power systems by a new neural network-based forecasting engine 基于神经网络的电力系统净需求预测引擎
Complex psychiatry Pub Date : 2016-11-01 DOI: 10.1002/cplx.21807
O. Abedinia, N. Amjady
{"title":"Net demand prediction for power systems by a new neural network-based forecasting engine","authors":"O. Abedinia, N. Amjady","doi":"10.1002/cplx.21807","DOIUrl":"https://doi.org/10.1002/cplx.21807","url":null,"abstract":"","PeriodicalId":72654,"journal":{"name":"Complex psychiatry","volume":"10 1","pages":"296-308"},"PeriodicalIF":0.0,"publicationDate":"2016-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86056319","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 27
Sampled-data reliable stabilization of T-S fuzzy systems and its application T-S模糊系统的采样数据可靠镇定及其应用
Complex psychiatry Pub Date : 2016-11-01 DOI: 10.1002/cplx.21833
R. Sakthivel, B. Kaviarasan, Yong-Ki Ma, M. Muslim
{"title":"Sampled-data reliable stabilization of T-S fuzzy systems and its application","authors":"R. Sakthivel, B. Kaviarasan, Yong-Ki Ma, M. Muslim","doi":"10.1002/cplx.21833","DOIUrl":"https://doi.org/10.1002/cplx.21833","url":null,"abstract":"In this article, based on sampled-data approach, a new robust state feedback reliable controller design for a class of Takagi–Sugeno fuzzy systems is presented. Different from the existing fault models for reliable controller, a novel generalized actuator fault model is proposed. In particular, the implemented fault model consists of both linear and nonlinear components. Consequently, by employing input-delay approach, the sampled-data system is equivalently transformed into a continuous-time system with a variable time delay. The main objective is to design a suitable reliable sampled-data state feedback controller guaranteeing the asymptotic stability of the resulting closed-loop fuzzy system. For this purpose, using Lyapunov stability theory together with Wirtinger-based double integral inequality, some new delay-dependent stabilization conditions in terms of linear matrix inequalities are established to determine the underlying system's stability and to achieve the desired control performance. Finally, to show the advantages and effectiveness of the developed control method, numerical simulations are carried out on two practical models. © 2016 Wiley Periodicals, Inc. Complexity 21: 518–529, 2016","PeriodicalId":72654,"journal":{"name":"Complex psychiatry","volume":"5 1","pages":"518-529"},"PeriodicalIF":0.0,"publicationDate":"2016-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75453275","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 14
Hybrid Synchronization of two complex delayed dynamical networks with nonidentical topologies and mixed coupling 具有不同拓扑结构和混合耦合的两个复杂延迟动态网络的混合同步
Complex psychiatry Pub Date : 2016-11-01 DOI: 10.1002/cplx.21827
Baocheng Li
{"title":"Hybrid Synchronization of two complex delayed dynamical networks with nonidentical topologies and mixed coupling","authors":"Baocheng Li","doi":"10.1002/cplx.21827","DOIUrl":"https://doi.org/10.1002/cplx.21827","url":null,"abstract":"In this article, we study a new hybrid synchronization scheme for two different delayed dynamical networks with nonidentical topologies and mixed coupling. Based on Barbalat lemma and Schur complement lemma, some hybrid synchronization criteria are achieved via the open-loop-plus-pinning adaptive control strategy. Two numerical examples with two types of node dynamics illustrate the effectiveness of the proposed synchronous criteria. VC 2016 Wiley Periodicals, Inc. Complexity 000: 00–00, 2016","PeriodicalId":72654,"journal":{"name":"Complex psychiatry","volume":"2670 1","pages":"470-482"},"PeriodicalIF":0.0,"publicationDate":"2016-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73285013","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Complexity has come of age 复杂性已经成熟
Complex psychiatry Pub Date : 2016-11-01 DOI: 10.1002/cplx.21842
A. Hübler, P. Schuster
{"title":"Complexity has come of age","authors":"A. Hübler, P. Schuster","doi":"10.1002/cplx.21842","DOIUrl":"https://doi.org/10.1002/cplx.21842","url":null,"abstract":"","PeriodicalId":72654,"journal":{"name":"Complex psychiatry","volume":"34 1","pages":"6"},"PeriodicalIF":0.0,"publicationDate":"2016-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83181298","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Defining synergy thermodynamically using quantitative measurements of entropy and free energy 用熵和自由能的定量测量从热力学角度定义协同作用
Complex psychiatry Pub Date : 2016-11-01 DOI: 10.1002/cplx.21800
K. Jaffe, Gerardo L. Febres
{"title":"Defining synergy thermodynamically using quantitative measurements of entropy and free energy","authors":"K. Jaffe, Gerardo L. Febres","doi":"10.1002/cplx.21800","DOIUrl":"https://doi.org/10.1002/cplx.21800","url":null,"abstract":"Synergy is often defined as the creation of a whole that is greater than the sum of its parts. It is found at all levels of organization in physics, chemistry, biology, social sciences, and the arts. Synergy occurs in open irreversible thermodynamic systems making it difficult to quantify. Negative entropy or negentropy ( N) has been related to order and complexity, and so has work efficiency, information content, Gibbs Free Energy in equilibrium thermodynamics, and useful work efficiency in general ( W). To define synergy in thermodynamic terms, we use the quantitative estimates of changes in N and W in seven different systems that suffer process described as synergistic. The results show that synergistic processes are characterized by an increase in N coupled to an increase in W. Processes not associated to synergy show a different pattern. The opposite of synergy are dissipative processes such as combustion where both N and W decrease. The synergistic processes studied showed a relatively greater increase in N compared to W opening ways to quantify energy—or information—dissipation due to the second law of thermodynamics in open irreversible systems. As a result, we propose a precise thermodynamic definition of synergy and show the potential of thermodynamic measurements in identifying, classifying and analysing in detail synergistic processes. © 2016 Wiley Periodicals, Inc. Complexity 21: 235–242, 2016","PeriodicalId":72654,"journal":{"name":"Complex psychiatry","volume":"97 1","pages":"235-242"},"PeriodicalIF":0.0,"publicationDate":"2016-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80526519","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 12
Instability and violence in Imperial Rome: A "laboratory" for studying social contagion? 罗马帝国的不稳定和暴力:研究社会传染的“实验室”?
Complex psychiatry Pub Date : 2016-11-01 DOI: 10.1002/cplx.21839
Ashok Nimgade
{"title":"Instability and violence in Imperial Rome: A \"laboratory\" for studying social contagion?","authors":"Ashok Nimgade","doi":"10.1002/cplx.21839","DOIUrl":"https://doi.org/10.1002/cplx.21839","url":null,"abstract":"Imperial Rome with its >50% assassination rate of emperors, many of whom are depicted in history as ‘deranged’, initially appears a chaotic period of history beyond the purview of science. But time series analysis indicates this violence occurred non-randomly: reign length was autocorrelated and demonstrated ‘memory persistence,’ and short reigns occurred in clusters. Additionally, deviations from average reign-length occurred in patterns matching the Empire's rise and decline. A model is proposed for how army-backed usurpation and post-coup instability likely generated the observed cycles. The five-century span of Imperial Rome likely makes it the longest-lived regime with fair documentation, and potentially provides a ‘laboratory’ with ongoing relevance for studying transmission of violence and instability. © 2016 Wiley Periodicals, Inc. Complexity, 2016","PeriodicalId":72654,"journal":{"name":"Complex psychiatry","volume":"45 1","pages":"613-622"},"PeriodicalIF":0.0,"publicationDate":"2016-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86514496","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Adaptive cluster synchronization in directed networks with nonidentical nonlinear dynamics 非同非线性动力学有向网络的自适应簇同步
Complex psychiatry Pub Date : 2016-11-01 DOI: 10.1002/cplx.21816
Yi Wang, Zhongjun Ma, Jinde Cao, A. Alsaedi, F. Alsaadi
{"title":"Adaptive cluster synchronization in directed networks with nonidentical nonlinear dynamics","authors":"Yi Wang, Zhongjun Ma, Jinde Cao, A. Alsaedi, F. Alsaadi","doi":"10.1002/cplx.21816","DOIUrl":"https://doi.org/10.1002/cplx.21816","url":null,"abstract":"In this article, the problem of cluster synchronization in the complex networks with nonidentical nonlinear dynamics is considered. By Lyapunov functional and M-matrix theory, some sufficient conditions for cluster synchronization are obtained. Moreover, the least number of nodes which should be pinned is given. It is shown that when the root nodes of all the clusters are pinning-controlled, cluster synchronization with adaptive coupling strength can be achieved. Different from the constraints of many literatures, the assumption is that each row sum for all diagonal submatrices of the Laplacian matrix is equal to zero. Finally, a numerical simulation in the network with three scale-free subnetwork is provided to demonstrate the effectiveness of the theoretical results. © 2016 Wiley Periodicals, Inc. Complexity 21: 380–387, 2016","PeriodicalId":72654,"journal":{"name":"Complex psychiatry","volume":"74 1","pages":"380-387"},"PeriodicalIF":0.0,"publicationDate":"2016-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83744686","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Can chunking reduce syntactic complexity of natural languages? 分块处理能降低自然语言的句法复杂性吗?
Complex psychiatry Pub Date : 2016-11-01 DOI: 10.1002/cplx.21779
Qian Lu, Chunshan Xu, Haitao Liu
{"title":"Can chunking reduce syntactic complexity of natural languages?","authors":"Qian Lu, Chunshan Xu, Haitao Liu","doi":"10.1002/cplx.21779","DOIUrl":"https://doi.org/10.1002/cplx.21779","url":null,"abstract":"Natural language is a complex adaptive system with multiple levels. The hierarchical structure may have much to do with the complexity of language. Dependency Distance has been invoked to explain various linguistic patterns regarding syntactic complexity. However, little attention has been paid to how the structural properties of language to minimize dependency distance. This article computationally simulates several chunked artificial languages, and shows, through comparison with Mandarin Chinese, that chunking may significantly reduce mean dependency distance of linear sequences. These results suggest that language may have evolved the mechanism of dynamic chunking to reduce the complexity for the sake of efficient communication. © 2016 Wiley Periodicals, Inc. Complexity 21: 33–41, 2016","PeriodicalId":72654,"journal":{"name":"Complex psychiatry","volume":"13 1","pages":"33-41"},"PeriodicalIF":0.0,"publicationDate":"2016-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85066827","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 28
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