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| 1 | ASYMPTOTIC SOLUTION OF ACTIVATOR INHIBITOR SYSTEMS FOR NONLINEAR REACTION DIFFUSION EQUATIONS显示文摘为使活跃之物禁止者系统的非线性的反应散开方程被考虑的 A。第一,第二,在合适的条件下面,原来的问题的外部解决方案用多重规模的变量被获得;力量系列的膨胀理论答案的正式 asymptotic 扩大被构造,;最后,使用微分不平等的理论一致有效性;答案的 asymptotic 行为被学习。 | Jiaqi MO Wantao LIN | 2008 | Journal of Systems Science & Complexity2008,21,1: | 96 |
| 2 | CRUDE OIL PRICE FORECASTING WITH TEI@I METHODOLOGY显示文摘The difficulty in crude oil price forecasting, due to inherent complexity, has attracted much attention of academic researchers and business practitioners. Various methods have been tried to solve the problem of forecasting crude oil prices. However, all of the existing models of prediction can not meet practical needs. Very recently, Wang and Yu proposed a new methodology for handling complex systems-TEI@I methodology by means of a systematic integration of text mining, econometrics and intelligent techniques.Within the framework of TEI@I methodology, econometrical models are used to model the linear components of crude oil price time series (i.e., main trends) while nonlinear components of crude oil price time series (i.e., error terms) are modelled by using artificial neural network (ANN) models. In addition, the impact of irregular and infrequent future events on crude oil price is explored using web-based text mining (WTM) and rule-based expert systems (RES) techniques. Thus, a fully novel nonlinear integrated forecasting approach with error correction and judgmental adjustment is formulated to improve prediction performance within the framework of the TEI@I methodology. The proposed methodology and the novel forecasting approach are illustrated via an example. | WANGShouyang YULean K.K.LAI | 2005 | Journal of Systems Science & Complexity2005,18,2: | 73 |
| 3 | STUDYING COMPLEX ADAPTIVE SYSTEMS显示文摘复杂适应系统(cas )- 包含当他们交往,适应或学习的许多部件的系统 - 在重要当代的问题的心。学习 ofcas 提出唯一的挑战:一些我们的很强大的数学工具,特别地,包含的方法修理了点,引起注意的人,等等,具有在理解 cas 的发展的有限帮助。这篇论文建议方法修改研究方法和工具,与基于计算机的模型的角色上的一个重音,到增加我们 cas 的理解。 | John H.Holland | 2006 | Journal of Systems Science & Complexity2006,19,1: | 37 |
| 4 | GENERALIZED VARIATION ITERATION SOLUTION OF AN ATMOSPHERE-OCEAN OSCILLATOR MODEL FOR GLOBAL CLIMATE显示文摘在为全球气候的空气海洋的 interhemispheric thermohaline 发行量(THC ) 的一个盒子模型被考虑。由使用概括变化重复方法,一个简化非线性的模型的近似答案被学习。概括变化重复方法是一个分析方法,并且获得的分析答案能顺序被操作。作者也为相应物理数量多样化质、量的行为。 | Jiaqi MO Wantao LIN | 2011 | Journal of Systems Science & Complexity2011,24,2: | 39 |
| 5 | THE SUPERCONVERGENCE ANALYSIS OF AN ANISOTROPIC FINITE ELEMENT显示文摘这篇论文在各向异性的矩形的网孔的班上处理双线性的有限元素的高精确性分析。各向异性的网孔上的反的不平等被建立。超级结束和超级集中被获得因为第二订椭圆形的问题。数字测试被给,它与我们的理论分析与一致。 | SHI Dongyang ZHU Huiqing | 2005 | Journal of Systems Science & Complexity2005,18,4: | 32 |
| 6 | A NONMONOTONE CONJUGATE GRADIENT ALGORITHM FOR UNCONSTRAINED OPTIMIZATION显示文摘Abstract. Conjugate gradient methods are very important methods for unconstrainedoptimization, especially for large scale problems. In this paper, we propose a new conjugategradient method, in which the technique of nonmonotone line search is used. Under mildassumptions, we prove the global convergence of the method. Some numerical results arealso presented. | | 2002 | Journal of Systems Science & Complexity2002,15,2: | 27 |
| 7 | DESIGN METHODOLOGY OF NETWORKED SOFTWARE EVOLUTION GROWTH BASED ON SOFTWARE PATTERNS显示文摘最近,建筑群的新特征联网的一些在不同领域里吸引科学家的注意,并且导致许多种新兴的研究方向。到目前为止,大多数研究工作被结构分析在大规模软件系统在复杂网络特征的发现限制了。这篇论文论述理论基础,设计方法,算法和研究的实验结果。它第一为网络拓扑学强调进化生长的设计方法的意义面向对象(OO ) 软件系统,并且主张有各种各样的拓扑学特征的网络模型的选择和调整将在设计的进程和 OO 软件系统的实现上带不可忽略的效果。然后,我们与不同拓扑学特征和软件建模方法的发展分析“在网络模型的进化之间的否定和妥协的否定”的类似的纪律。根据软件模式的生长特征的分析,我们连续建议一个面向对象的软件网络进化生长方法和它的算法。另外,我们也基于复杂网络理论为 OO 软件系统度量标准建议参数系统。基于这些参数系统,它能分析各种各样的节点的特征,连接并且本地世界,调制网络拓扑学并且指导软件度量标准。所有这些能对详细设计,实现和表演分析有用。最后,我们集中于进化算法的应用程序并且由案例研究表明它。在实验软件工程从我们的早实验把结果与方法论作比较,我们相信建议软件工程设计方法基于复杂网络理论是一条计算软件工程途径。我们主张这个方法应该是极大地为在大规模 OO 的功能,结构和性能的设计,实现,调整和度量标准有益软件建筑群系统。 | Keqing HE Rong PENG Jing LIU Fei HE Peng LIANG Bing LI | 2006 | Journal of Systems Science & Complexity2006,19,2: | 24 |
| 8 | SOFT CONTROL ON COLLECTIVE BEHAVIOR OF A GROUP OF AUTONOMOUS AGENTS BY A SHILL AGENT显示文摘这篇论文问一个新问题:我们怎么能控制集体行为组织 ofself 的多代理人系统?我们试着由建议新观点 called'Soft Control' 回答这个问题,它把存在代理人的本地规则放在系统。我们由案例研究显示出软控制的可行性。考虑简单却典型的分布式的 multi-agentmodel 由 Vicsek 等求婚了。为鸟结队:每个代理人以一样的速度,但是与基于它的自己的标题的一般水准用一条本地规则被更新的不同标题和它的邻居的标题移动。这个模型的大多数研究关于 self-organizedcollective 行为,例如标题的同步。我们想要由软控制在这个组的集体行为(标题) 干涉。一个指定方法是增加一个特殊代理人,叫了一个“党羽”,它能被我们控制,但是被另外的代理人当作一个平常的代理人。我们为党羽构造一条控制法律以便它能同步整个组到一个客观标题。这条控制法律被证明是有效经分解并且数字地。注意软控制与分布式的控制的途径不同。在分布式的系统干涉是一个自然方法。它可以在复杂系统的控制上拿出许多有趣的问题和挑战。 | Jing HAN Ming LI Lei GUO | 2006 | Journal of Systems Science & Complexity2006,19,1: | 23 |
| 9 | CONSENSUS CONTROL FOR LEADER-FOLLOWING MULTI-AGENT SYSTEMS WITH MEASUREMENT NOISES显示文摘This work is concerned with consensus control for a class of leader-following multi-agentsystems (MASs).The information that each agent received is corrupted by measurement noises.Toreduce the impact of noises on consensus,time-varying consensus gains are adopted,based on whichconsensus protocols are designed.By using the tools of stochastic analysis and algebraic graph theory,asufficient condition is obtained for the protocol to ensure strong mean square consensus under the fixedtopologies.This condition is shown to be necessary and sufficient in the noise-free case.Furthermore,by using a common Lyapunov function,the result is extended to the switching topology case. | Cuiqin MA Tao LI Jifeng ZHANG | 2010 | Journal of Systems Science & Complexity2010,23,1: | 23 |
| 10 | LPI radar signal detection based on radial integration of Choi-Williams time-frequency image显示文摘This paper mainly revolves the time-frequency image of low probability of intercept(LPI) radar signals and carries out research work on image features selection and extraction and recognition. Since Choi-Williams distribution(CWD) uses the exponential kernel of bilinear generalized class of time-frequency distribution, it has an excellent time-frequency aggregation. And it is suitable for detecting LPI radar signals in a low signal-to-noise ratio(SNR) condition. A radial integration method based on the integral rotating factor is proposed to detect LPI radar signals when the signals' time-frequency image is obtained. First, the digital image processing method is used to preprocess the LPI radar signals' time-frequency images after CWD transformation; then, the radial integration method based on the integral rotating factor is used to detect LPI radar signals in the binary images. The analytic results of real data show that the method has a good performance on detecting LPI radar signals in a low SNR condition. Additionally,the method is simple and takes less logic resources and has the potential of real-time detection of LPI radar signals. | Yongjian Liu Peng Xiao Hongchao Wu Weihua Xiao | 2015 | Journal of Systems Science & Complexity2015,28,5: | 18 |
| 11 | THE EXISTENCE OF SOLUTIONS OF NONLINEAR BOUNDARY VALUE PROBLEMS INVOLVING THE p-LAPLACIAN OPERATOR IN L^s-SPACES显示文摘由在卡尔弗特和 Gupta 的非线性的 accretivemappings 的范围的和上使用不安理论,我们在答案 u ∈L ~ S 的存在上学习抽象结果(包含p拉普拉斯算符操作员的非线性的边界价值问题的Ω),在此 2 ≤ s ≤ +∞,并且( 2N )/( N+1 )< p ≤ 2 为 N (≥ 1 )它表示 R^N 的尺寸。获得结果,一些新技术在这篇论文被使用。在这里的这篇论文和我们的方法讨论的方程是扩展和补充到 L. 魏和 Z. 的相应结果他。 | WEI Li (School of Mathematics and Statistics, Hebei University of Economics and Business, Shijiazhuang 050061, China Institute of Applied Mathematics and Mechanics, Ordnance Engineering College, Shijiazhuang 050003, China. ZHOU Haiyun (Institute of Applied Mathematics and Mechanics, Ordnance Engineering College, Shijiazhuang 050003, China Institute of Mathematics and Information Science, Hebei Normal University, Shijiazhuang 050016, China. | 2005 | Journal of Systems Science & Complexity2005,18,4: | 17 |
| 12 | A CHARACTERISTIC SET METHOD FOR SOLVING BOOLEAN EQUATIONS AND APPLICATIONS IN CRYPTANALYSIS OF STREAM CIPHERS显示文摘这篇论文为解决布尔方程论述一个典型集合方法,它是更有效的并且比一般典型集合方法有更好的性质。特别地,作者给一 disjoint 和 monic 为为一个布尔方程系统的解决方案的数字的一个布尔方程系统和一个明确的公式的零个集合的零个分解算法。作者也证明一个典型集合能以变量的数字与布尔多项式的增加的一个多项式数字被计算。作为实验,建议方法被用来基于非线性的过滤器生成器从流零的一个类的密码翻译法解决方程。广泛的实验证明方法是相当有效的。 | Fengjuan CHAI Xiao-Shan GAO Chunming YUAN | 2008 | Journal of Systems Science & Complexity2008,21,2: | 17 |
| 13 | ACCURACY ANALYSIS FOR QUASI-CAREY ELEMENT显示文摘在这篇论文,一个新三角形的元素(Quasi-Carey 元素) 被 Specht 元素的想法构造。这个 Quasi-Carey 元素拥有一个很特殊的性质,这被显示出,即,一致性错误具有顺序 O (h 2), 当准确溶液属于 H 3(Ω) 时,比它的插值错误高订。然而,凯里元素的插值错误和一致性错误具有顺序 O (h) 。看起来,上述特殊性质从来没为第二个顺序问题为另外的三角形的元素被看见过。 | Dongyang SHI Xiaobin HAO | 2008 | Journal of Systems Science & Complexity2008,21,3: | 15 |
| 14 | ADRC BASED INPUT DISTURBANCE REJECTION FOR MINIMUM-PHASE PLANTS WITH UNKNOWN ORDERS AND/OR UNCERTAIN RELATIVE DEGREES显示文摘ADRC 的能力与未知订单,不明确的相对的度,和未知输入骚乱为线性时间不变的 SISO 最小阶段的系统被学习。ADRC 能拒绝未知输入骚乱并且与未知却围住的相对的度为植物保证靠近环的稳定性,这被证明。同时,一些靠近环的表演能被完成。传感器噪音的影响也被讨论。并且它被有固定参数的一 ADRC 能被用于不同订单,相对的度,和参数的一组植物的数字例子表明。 | Chunzhe ZHAO Yi HUANG | 2012 | Journal of Systems Science & Complexity2012,25,4: | 15 |
| 15 | EVENT-TRIGGERED AVERAGE-CONSENSUS OF MULTI-AGENT SYSTEMS WITH WEIGHTED AND DIRECT TOPOLOGY显示文摘这份报纸与直接、加权的拓扑学调查多代理人系统的平均一致的问题。被触发事件的控制法律被采用以便减少自从代理人可以是在许多真实系统的资源有限,更新的单个控制的频率。事件被触发的分离时间片刻被扳机功能关于某个测量错误决定。一个集中的平均一致的协议与固定相互作用拓扑学,稳定性和哪个也被分析的影响因素为网络首先被建议。为有可变拓扑学的网络的扳机函数的设计也被讨论。然后,结果被扩大到分散的对应物,代理人在要求仅仅他们的邻居的信息。数字例子也是如果表明理论结果的有效性。 | Zhongxin LIU Zengqiang CHEN Zhuzhi YUAN | 2012 | Journal of Systems Science & Complexity2012,25,5: | 15 |
| 16 | FREQUENTIST MODEL AVERAGING ESTIMATION:A REVIEW显示文摘In applications, the traditional estimation procedure generally begins with model selection.Once a specific model is selected, subsequent estimation is conducted under the selected model withoutconsideration of the uncertainty from the selection process. This often leads to the underreportingof variability and too optimistic confidence sets. Model averaging estimation is an alternative to thisprocedure, which incorporates model uncertainty into the estimation process. In recent years, therehas been a rising interest in model averaging from the frequentist perspective, and some importantprogresses have been made. In this paper, the theory and methods on frequentist model averagingestimation are surveyed. Some future research topics are also discussed. | Haiying WANG Xinyu ZHANG Guohua ZOU Academy of Mathematics and Systems Science,Chinese Academy of Sciences,Beijing 100190,China. | 2009 | Journal of Systems Science & Complexity2009,22,4: | 14 |
| 17 | Adaptive Robust Dead-Zone Compensation Control of Electro-Hydraulic Servo Systems with Load Disturbance Rejection显示文摘A backstepping method based adaptive robust dead-zone compensation controller is proposed for the electro-hydraulic servo systems(EHSSs) with unknown dead-zone and uncertain system parameters.Variable load is seen as a sum of a constant and a variable part.The constant part is regarded as a parameter of the system to be estimated real time.The variable part together with the friction are seen as disturbance so that a robust term in the controller can be adopted to reject them.Compared with the traditional dead-zone compensation method,a dead-zone compensator is incorporated in the EHSS without constructing a dead-zone inverse.Combining backstepping method,an adaptive robust controller(ARC) with dead-zone compensation is formed.An easy-to-use ARC tuning method is also proposed after a further analysis of the ARC structure.Simulations show that the proposed method has a splendid tracking performance,all the uncertain parameters can be estimated,and the disturbance has been rejected while the dead-zone term is well estimated and compensated. | HE Yudong WANG Junzheng HAO Renjian | 2015 | Journal of Systems Science & Complexity2015,28,2: | 14 |
| 18 | Hierarchical method of task assignment for multiple cooperating UAV teams显示文摘The problem of task assignment for multiple cooperating unmanned aerial vehicle(UAV) teams is considered. Multiple UAVs forming several small teams are needed to perform attack tasks on a set of predetermined ground targets. A hierarchical task assignment method is presented to address the problem. It breaks the original problem down to three levels of sub-problems: target clustering, cluster allocation and target assignment. The first two sub-problems are centrally solved by using clustering algorithms and integer linear programming, respectively, and the third sub-problem is solved in a distributed and parallel manner, using a mixed integer linear programming model and an improved ant colony algorithm. The proposed hierarchical method can reduce the computational complexity of the task assignment problem considerably, especially when the number of tasks or the number of UAVs is large. Experimental results show that this method is feasible and more efficient than non-hierarchical methods. | Xiaoxuan Hu Huawei Ma Qingsong Ye He Luo | 2015 | Journal of Systems Science & Complexity2015,28,5: | 14 |
| 19 | DEGENERATE SEMI-GROUP METHODS FOR THE EXPONENTIAL STABILITY OF THE FIRST ORDER SINGULAR DISTRIBUTED PARAMETER SYSTEMS显示文摘Exponential stability of the first order singular distributed parameter systems is discussedin the light of degenerate semi-group methods,which is described by the abstract developing equationin Hilbert space.The necessary and sufficient conditions concerning the exponential stability of thefirst order singular distributed parameter systems are given. | Zhaoqiang GE Guangtian ZHU Dexing FENG | 2008 | Journal of Systems Science & Complexity2008,21,2: | 13 |
| 20 | MULTI-GRANULARITY EVOLUTION ANALYSIS OF SOFTWARE USING COMPLEX NETWORK THEORY显示文摘软件系统是一种典型类型人造复杂系统。理解他们的进化能导致更好的软件工程惯例。在这份报纸,作者把复杂网络理论用作一个工具分析进化面向对象(OO ) 从一个 multigranularity 观点的软件。首先,网络建模的一个多颗粒度软件被建议从颗粒度的三个层次代表一个多版本软件系统的拓扑的结构。然后,广泛地在复杂网络理论使用的一些参数被使用描绘软件网络。由在连续软件系统跟踪参数值,我们关于软件进化有更好的理解。案例研究在一个开放源代码 OO 工程上被进行, Azureus 当说明我们的途径的一个例子,和位于进化特征下面的一些被揭开。这些结果提供一种不同尺寸给我们软件进化并且也的理解为 OO 软件系统的设计和发展是很有用的。 | Weifeng PAN Bing LI Yutao MA Jing LIU | 2011 | Journal of Systems Science & Complexity2011,24,6: | 13 |